# HG changeset patch
# User Jaroslav Tulach <jaroslav.tulach@apidesign.org>
# Date 1358943526 -3600
# Node ID 08ffdc3938e784a1a73e1b0ad2857be5006538c7
# Parent  1adce93fea0f6ec576057e53b260db5bb2b3cad2
Moving Development Environment for Web to own project

diff -r 1adce93fea0f -r 08ffdc3938e7 dew/pom.xml
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/dew/pom.xml	Wed Jan 23 13:18:46 2013 +0100
@@ -0,0 +1,64 @@
+<?xml version="1.0"?>
+<project xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd" xmlns="http://maven.apache.org/POM/4.0.0"
+    xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance">
+  <modelVersion>4.0.0</modelVersion>
+  <parent>
+    <groupId>org.apidesign</groupId>
+    <artifactId>bck2brwsr</artifactId>
+    <version>0.3-SNAPSHOT</version>
+  </parent>
+  <groupId>org.apidesign.bck2brwsr</groupId>
+  <artifactId>dew</artifactId>
+  <version>0.3-SNAPSHOT</version>
+  <name>Development Environment for Web</name>
+  <url>http://maven.apache.org</url>
+    <build>
+        <plugins>
+            <plugin>
+                <groupId>org.apache.maven.plugins</groupId>
+                <artifactId>maven-compiler-plugin</artifactId>
+                <version>2.3.2</version>
+                <configuration>
+                    <source>1.7</source>
+                    <target>1.7</target>
+                </configuration>
+            </plugin>
+        </plugins>
+    </build>
+    <properties>
+    <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
+  </properties>
+  <dependencies>
+    <dependency>
+      <groupId>org.glassfish.grizzly</groupId>
+      <artifactId>grizzly-http-server</artifactId>
+      <version>2.2.19</version>
+    </dependency>
+    <dependency>
+      <groupId>${project.groupId}</groupId>
+      <artifactId>vm4brwsr</artifactId>
+      <version>${project.version}</version>
+    </dependency>
+    <dependency>
+      <groupId>org.json</groupId>
+      <artifactId>json</artifactId>
+      <version>20090211</version>
+    </dependency>
+    <dependency>
+      <groupId>org.testng</groupId>
+      <artifactId>testng</artifactId>
+      <scope>test</scope>
+      <exclusions>
+        <exclusion>
+          <artifactId>junit</artifactId>
+          <groupId>junit</groupId>
+        </exclusion>
+      </exclusions>
+    </dependency>
+    <dependency>
+      <groupId>${project.groupId}</groupId>
+      <artifactId>javaquery.api</artifactId>
+      <version>${project.version}</version>
+    </dependency>
+  </dependencies>
+</project>
diff -r 1adce93fea0f -r 08ffdc3938e7 dew/src/main/java/org/apidesign/bck2brwsr/dew/Compile.java
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/dew/src/main/java/org/apidesign/bck2brwsr/dew/Compile.java	Wed Jan 23 13:18:46 2013 +0100
@@ -0,0 +1,196 @@
+/**
+ * Back 2 Browser Bytecode Translator
+ * Copyright (C) 2012 Jaroslav Tulach <jaroslav.tulach@apidesign.org>
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, version 2 of the License.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program. Look for COPYING file in the top folder.
+ * If not, see http://opensource.org/licenses/GPL-2.0.
+ */
+package org.apidesign.bck2brwsr.dew;
+
+import java.io.ByteArrayInputStream;
+import java.io.ByteArrayOutputStream;
+import java.io.IOException;
+import java.io.InputStream;
+import java.io.OutputStream;
+import java.net.URI;
+import java.net.URISyntaxException;
+import java.util.ArrayList;
+import java.util.Arrays;
+import java.util.HashMap;
+import java.util.List;
+import java.util.Map;
+import java.util.regex.Matcher;
+import java.util.regex.Pattern;
+import javax.tools.Diagnostic;
+import javax.tools.DiagnosticListener;
+import javax.tools.FileObject;
+import javax.tools.ForwardingJavaFileManager;
+import javax.tools.JavaFileManager;
+import javax.tools.JavaFileObject;
+import javax.tools.JavaFileObject.Kind;
+import javax.tools.SimpleJavaFileObject;
+import javax.tools.StandardJavaFileManager;
+import javax.tools.StandardLocation;
+import javax.tools.ToolProvider;
+
+/**
+ *
+ * @author Jaroslav Tulach <jtulach@netbeans.org>
+ */
+final class Compile implements DiagnosticListener<JavaFileObject> {
+    private final List<Diagnostic<? extends JavaFileObject>> errors = new ArrayList<>();
+    private final Map<String, byte[]> classes;
+    private final String pkg;
+    private final String cls;
+
+    private Compile(String html, String code) throws IOException {
+        this.pkg = findPkg(code);
+        this.cls = findCls(code);
+        classes = compile(html, code);
+    }
+
+    /** Performs compilation of given HTML page and associated Java code
+     */
+    public static Compile create(String html, String code) throws IOException {
+        return new Compile(html, code);
+    }
+    
+    /** Checks for given class among compiled resources */
+    public byte[] get(String res) {
+        return classes.get(res);
+    }
+    
+    /** Obtains errors created during compilation.
+     */
+    public List<Diagnostic<? extends JavaFileObject>> getErrors() {
+        List<Diagnostic<? extends JavaFileObject>> err = new ArrayList<>();
+        for (Diagnostic<? extends JavaFileObject> diagnostic : errors) {
+            if (diagnostic.getKind() == Diagnostic.Kind.ERROR) {
+                err.add(diagnostic);
+            }
+        }
+        return err;
+    }
+    
+    private Map<String, byte[]> compile(final String html, final String code) throws IOException {
+        StandardJavaFileManager sjfm = ToolProvider.getSystemJavaCompiler().getStandardFileManager(this, null, null);
+
+        final Map<String, ByteArrayOutputStream> class2BAOS = new HashMap<>();
+
+        JavaFileObject file = new SimpleJavaFileObject(URI.create("mem://mem"), Kind.SOURCE) {
+            @Override
+            public CharSequence getCharContent(boolean ignoreEncodingErrors) throws IOException {
+                return code;
+            }
+        };
+        final JavaFileObject htmlFile = new SimpleJavaFileObject(URI.create("mem://mem2"), Kind.OTHER) {
+            @Override
+            public CharSequence getCharContent(boolean ignoreEncodingErrors) throws IOException {
+                return html;
+            }
+
+            @Override
+            public InputStream openInputStream() throws IOException {
+                return new ByteArrayInputStream(html.getBytes());
+            }
+        };
+        
+        final URI scratch;
+        try {
+            scratch = new URI("mem://mem3");
+        } catch (URISyntaxException ex) {
+            throw new IOException(ex);
+        }
+        
+        JavaFileManager jfm = new ForwardingJavaFileManager<JavaFileManager>(sjfm) {
+            @Override
+            public JavaFileObject getJavaFileForOutput(Location location, String className, Kind kind, FileObject sibling) throws IOException {
+                if (kind  == Kind.CLASS) {
+                    final ByteArrayOutputStream buffer = new ByteArrayOutputStream();
+
+                    class2BAOS.put(className.replace('.', '/') + ".class", buffer);
+                    return new SimpleJavaFileObject(sibling.toUri(), kind) {
+                        @Override
+                        public OutputStream openOutputStream() throws IOException {
+                            return buffer;
+                        }
+                    };
+                }
+                
+                if (kind == Kind.SOURCE) {
+                    return new SimpleJavaFileObject(scratch/*sibling.toUri()*/, kind) {
+                        private final ByteArrayOutputStream data = new ByteArrayOutputStream();
+                        @Override
+                        public OutputStream openOutputStream() throws IOException {
+                            return data;
+                        }
+
+                        @Override
+                        public CharSequence getCharContent(boolean ignoreEncodingErrors) throws IOException {
+                            data.close();
+                            return new String(data.toByteArray());
+                        }
+                    };
+                }
+                
+                throw new IllegalStateException();
+            }
+
+            @Override
+            public FileObject getFileForInput(Location location, String packageName, String relativeName) throws IOException {
+                if (location == StandardLocation.SOURCE_PATH) {
+                    if (packageName.equals(pkg)) {
+                        return htmlFile;
+                    }
+                }
+                
+                return null;
+            }
+            
+        };
+
+        ToolProvider.getSystemJavaCompiler().getTask(null, jfm, this, /*XXX:*/Arrays.asList("-source", "1.7", "-target", "1.7"), null, Arrays.asList(file)).call();
+
+        Map<String, byte[]> result = new HashMap<>();
+
+        for (Map.Entry<String, ByteArrayOutputStream> e : class2BAOS.entrySet()) {
+            result.put(e.getKey(), e.getValue().toByteArray());
+        }
+
+        return result;
+    }
+
+
+    @Override
+    public void report(Diagnostic<? extends JavaFileObject> diagnostic) {
+        errors.add(diagnostic);
+    }
+    private static String findPkg(String java) throws IOException {
+        Pattern p = Pattern.compile("package\\p{javaWhitespace}*([\\p{Alnum}\\.]+)\\p{javaWhitespace}*;", Pattern.MULTILINE);
+        Matcher m = p.matcher(java);
+        if (!m.find()) {
+            throw new IOException("Can't find package declaration in the java file");
+        }
+        String pkg = m.group(1);
+        return pkg;
+    }
+    private static String findCls(String java) throws IOException {
+        Pattern p = Pattern.compile("class\\p{javaWhitespace}*([\\p{Alnum}\\.]+)\\p{javaWhitespace}", Pattern.MULTILINE);
+        Matcher m = p.matcher(java);
+        if (!m.find()) {
+            throw new IOException("Can't find package declaration in the java file");
+        }
+        String cls = m.group(1);
+        return cls;
+    }
+}
diff -r 1adce93fea0f -r 08ffdc3938e7 dew/src/main/java/org/apidesign/bck2brwsr/dew/Dew.java
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/dew/src/main/java/org/apidesign/bck2brwsr/dew/Dew.java	Wed Jan 23 13:18:46 2013 +0100
@@ -0,0 +1,131 @@
+/**
+ * Back 2 Browser Bytecode Translator
+ * Copyright (C) 2012 Jaroslav Tulach <jaroslav.tulach@apidesign.org>
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, version 2 of the License.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program. Look for COPYING file in the top folder.
+ * If not, see http://opensource.org/licenses/GPL-2.0.
+ */
+package org.apidesign.bck2brwsr.dew;
+
+import java.io.ByteArrayInputStream;
+import java.io.IOException;
+import java.io.InputStream;
+import java.io.InputStreamReader;
+import java.io.OutputStream;
+import java.io.Writer;
+import java.util.List;
+import java.util.Locale;
+import java.util.Locale;
+import java.util.logging.Logger;
+import javax.tools.Diagnostic;
+import javax.tools.JavaFileObject;
+import org.apidesign.vm4brwsr.Bck2Brwsr;
+import org.glassfish.grizzly.http.Method;
+import org.glassfish.grizzly.http.server.HttpHandler;
+import org.glassfish.grizzly.http.server.Request;
+import org.glassfish.grizzly.http.server.Response;
+import org.glassfish.grizzly.http.util.HttpStatus;
+import org.json.JSONArray;
+import org.json.JSONObject;
+import org.json.JSONStringer;
+import org.json.JSONTokener;
+
+/**
+ *
+ * @author phrebejk
+ */
+public class Dew extends HttpHandler implements Bck2Brwsr.Resources {
+    private String html = "";
+    private Compile data;
+
+    @Override
+    public void service(Request request, Response response) throws Exception {
+        
+        if ( request.getMethod() == Method.POST ) {
+            InputStream is = request.getInputStream();
+            JSONTokener tok = new JSONTokener(new InputStreamReader(is));
+            JSONObject obj = new JSONObject(tok);
+            String tmpHtml = obj.getString("html");
+            String tmpJava = obj.getString("java");
+            
+            Compile res = Compile.create(tmpHtml, tmpJava);
+            List<Diagnostic<? extends JavaFileObject>> err = res.getErrors();
+            if (err.isEmpty()) {
+                data = res;
+                html = tmpHtml;
+                response.getOutputStream().write("[]".getBytes());
+                response.setStatus(HttpStatus.OK_200);
+            } else {
+                
+                JSONArray errors = new JSONArray();
+                
+                for (Diagnostic<? extends JavaFileObject> d : err) {
+                    JSONObject e = new JSONObject();
+                    e.put("col", d.getColumnNumber());
+                    e.put("line", d.getLineNumber());
+                    e.put("kind", d.getKind().toString());
+                    e.put("msg", d.getMessage(Locale.ENGLISH));
+                    errors.put(e);
+                }
+                
+                errors.write(response.getWriter());                
+                response.setStatus(HttpStatus.PRECONDITION_FAILED_412);
+            }
+            
+            return;
+        }
+        
+        String r = request.getHttpHandlerPath();
+        if (r == null || r.equals("/")) {
+            r = "index.html";
+        }
+        if (r.equals("/result.html")) {
+            response.setContentType("text/html");
+            response.getOutputBuffer().write(html);
+            response.setStatus(HttpStatus.OK_200);
+            return;
+        }
+        
+        if (r.startsWith("/")) {
+            r = r.substring(1);
+        }
+        
+        if (r.endsWith(".html") || r.endsWith(".xhtml")) {
+            response.setContentType("text/html");
+        }
+        OutputStream os = response.getOutputStream();
+        try (InputStream is = Dew.class.getResourceAsStream(r) ) {
+            copyStream(is, os, request.getRequestURL().toString() );
+        } catch (IOException ex) {
+            response.setDetailMessage(ex.getLocalizedMessage());
+            response.setError();
+            response.setStatus(404);
+        }
+    }
+    
+    static void copyStream(InputStream is, OutputStream os, String baseURL) throws IOException {
+        for (;;) {
+            int ch = is.read();
+            if (ch == -1) {
+                break;
+            }
+            os.write(ch);            
+        }
+    }
+
+    @Override
+    public InputStream get(String r) throws IOException {
+        byte[] arr = data == null ? null : data.get(r);
+        return arr == null ? null : new ByteArrayInputStream(arr);
+    }
+}
diff -r 1adce93fea0f -r 08ffdc3938e7 dew/src/main/java/org/apidesign/bck2brwsr/launcher/Bck2BrwsrLauncher.java
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/dew/src/main/java/org/apidesign/bck2brwsr/launcher/Bck2BrwsrLauncher.java	Wed Jan 23 13:18:46 2013 +0100
@@ -0,0 +1,505 @@
+/**
+ * Back 2 Browser Bytecode Translator
+ * Copyright (C) 2012 Jaroslav Tulach <jaroslav.tulach@apidesign.org>
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, version 2 of the License.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program. Look for COPYING file in the top folder.
+ * If not, see http://opensource.org/licenses/GPL-2.0.
+ */
+package org.apidesign.bck2brwsr.launcher;
+
+import java.io.Closeable;
+import java.io.File;
+import java.io.IOException;
+import java.io.InputStream;
+import java.io.InterruptedIOException;
+import java.io.OutputStream;
+import java.io.Writer;
+import java.net.URI;
+import java.net.URISyntaxException;
+import java.net.URL;
+import java.util.ArrayList;
+import java.util.Arrays;
+import java.util.Enumeration;
+import java.util.LinkedHashSet;
+import java.util.List;
+import java.util.Set;
+import java.util.concurrent.BlockingQueue;
+import java.util.concurrent.CountDownLatch;
+import java.util.concurrent.LinkedBlockingQueue;
+import java.util.concurrent.TimeUnit;
+import java.util.logging.Level;
+import java.util.logging.Logger;
+import org.apidesign.bck2brwsr.dew.Dew;
+import org.apidesign.vm4brwsr.Bck2Brwsr;
+import org.glassfish.grizzly.PortRange;
+import org.glassfish.grizzly.http.server.HttpHandler;
+import org.glassfish.grizzly.http.server.HttpServer;
+import org.glassfish.grizzly.http.server.NetworkListener;
+import org.glassfish.grizzly.http.server.Request;
+import org.glassfish.grizzly.http.server.Response;
+import org.glassfish.grizzly.http.server.ServerConfiguration;
+
+/**
+ * Lightweight server to launch Bck2Brwsr applications and tests.
+ * Supports execution in native browser as well as Java's internal 
+ * execution engine.
+ */
+final class Bck2BrwsrLauncher extends Launcher implements Closeable {
+    private static final Logger LOG = Logger.getLogger(Bck2BrwsrLauncher.class.getName());
+    private static final MethodInvocation END = new MethodInvocation(null, null, null);
+    private Set<ClassLoader> loaders = new LinkedHashSet<>();
+    private Set<Bck2Brwsr.Resources> xRes = new LinkedHashSet<>();
+    private BlockingQueue<MethodInvocation> methods = new LinkedBlockingQueue<>();
+    private long timeOut;
+    private final Res resources = new Res();
+    private final String cmd;
+    private Object[] brwsr;
+    private HttpServer server;
+    private CountDownLatch wait;
+
+    public Bck2BrwsrLauncher(String cmd) {
+        this.cmd = cmd;
+    }
+    
+    @Override
+     MethodInvocation addMethod(Class<?> clazz, String method, String html) throws IOException {
+        loaders.add(clazz.getClassLoader());
+        MethodInvocation c = new MethodInvocation(clazz.getName(), method, html);
+        methods.add(c);
+        try {
+            c.await(timeOut);
+        } catch (InterruptedException ex) {
+            throw new IOException(ex);
+        }
+        return c;
+    }
+    
+    public void setTimeout(long ms) {
+        timeOut = ms;
+    }
+    
+    public void addClassLoader(ClassLoader url) {
+        this.loaders.add(url);
+    }
+
+    public void showURL(String startpage) throws IOException {
+        if (!startpage.startsWith("/")) {
+            startpage = "/" + startpage;
+        }
+        HttpServer s = initServer();
+        s.getServerConfiguration().addHttpHandler(new Page(resources, null), "/");
+        try {
+            launchServerAndBrwsr(s, startpage);
+        } catch (URISyntaxException | InterruptedException ex) {
+            throw new IOException(ex);
+        }
+    }
+    
+    public static void main(String... args) throws Exception {
+        Bck2BrwsrLauncher l = new Bck2BrwsrLauncher(null);
+        l.addClassLoader(Bck2BrwsrLauncher.class.getClassLoader());
+        HttpServer s = l.initServer();
+        final Dew dew = new Dew();
+        s.getServerConfiguration().addHttpHandler(dew, "/dew/");
+        l.xRes.add(dew);
+        l.launchServerAndBrwsr(s, "/dew/");
+        System.in.read();
+    }
+
+    @Override
+    public void initialize() throws IOException {
+        try {
+            executeInBrowser();
+        } catch (InterruptedException ex) {
+            final InterruptedIOException iio = new InterruptedIOException(ex.getMessage());
+            iio.initCause(ex);
+            throw iio;
+        } catch (Exception ex) {
+            if (ex instanceof IOException) {
+                throw (IOException)ex;
+            }
+            if (ex instanceof RuntimeException) {
+                throw (RuntimeException)ex;
+            }
+            throw new IOException(ex);
+        }
+    }
+    
+    private HttpServer initServer() {
+        HttpServer s = HttpServer.createSimpleServer(".", new PortRange(8080, 65535));
+
+        final ServerConfiguration conf = s.getServerConfiguration();
+        conf.addHttpHandler(new Page(resources, 
+            "org/apidesign/bck2brwsr/launcher/console.xhtml",
+            "org.apidesign.bck2brwsr.launcher.Console", "welcome", "false"
+        ), "/console");
+        conf.addHttpHandler(new VM(resources), "/bck2brwsr.js");
+        conf.addHttpHandler(new VMInit(), "/vm.js");
+        conf.addHttpHandler(new Classes(resources), "/classes/");
+        return s;
+    }
+    
+    private void executeInBrowser() throws InterruptedException, URISyntaxException, IOException {
+        wait = new CountDownLatch(1);
+        server = initServer();
+        ServerConfiguration conf = server.getServerConfiguration();
+        conf.addHttpHandler(new Page(resources, 
+            "org/apidesign/bck2brwsr/launcher/harness.xhtml"
+        ), "/execute");
+        conf.addHttpHandler(new HttpHandler() {
+            int cnt;
+            List<MethodInvocation> cases = new ArrayList<>();
+            @Override
+            public void service(Request request, Response response) throws Exception {
+                String id = request.getParameter("request");
+                String value = request.getParameter("result");
+                
+                if (id != null && value != null) {
+                    LOG.log(Level.INFO, "Received result for case {0} = {1}", new Object[]{id, value});
+                    value = decodeURL(value);
+                    cases.get(Integer.parseInt(id)).result(value, null);
+                }
+                
+                MethodInvocation mi = methods.take();
+                if (mi == END) {
+                    response.getWriter().write("");
+                    wait.countDown();
+                    cnt = 0;
+                    LOG.log(Level.INFO, "End of data reached. Exiting.");
+                    return;
+                }
+                
+                cases.add(mi);
+                final String cn = mi.className;
+                final String mn = mi.methodName;
+                LOG.log(Level.INFO, "Request for {0} case. Sending {1}.{2}", new Object[]{cnt, cn, mn});
+                response.getWriter().write("{"
+                    + "className: '" + cn + "', "
+                    + "methodName: '" + mn + "', "
+                    + "request: " + cnt
+                );
+                if (mi.html != null) {
+                    response.getWriter().write(", html: '");
+                    response.getWriter().write(encodeJSON(mi.html));
+                    response.getWriter().write("'");
+                }
+                response.getWriter().write("}");
+                cnt++;
+            }
+        }, "/data");
+
+        this.brwsr = launchServerAndBrwsr(server, "/execute");
+    }
+    
+    private static String encodeJSON(String in) {
+        StringBuilder sb = new StringBuilder();
+        for (int i = 0; i < in.length(); i++) {
+            char ch = in.charAt(i);
+            if (ch < 32 || ch == '\'' || ch == '"') {
+                sb.append("\\u");
+                String hs = "0000" + Integer.toHexString(ch);
+                hs = hs.substring(hs.length() - 4);
+                sb.append(hs);
+            } else {
+                sb.append(ch);
+            }
+        }
+        return sb.toString();
+    }
+    
+    @Override
+    public void shutdown() throws IOException {
+        methods.offer(END);
+        for (;;) {
+            int prev = methods.size();
+            try {
+                if (wait != null && wait.await(timeOut, TimeUnit.MILLISECONDS)) {
+                    break;
+                }
+            } catch (InterruptedException ex) {
+                throw new IOException(ex);
+            }
+            if (prev == methods.size()) {
+                LOG.log(
+                    Level.WARNING, 
+                    "Timeout and no test has been executed meanwhile (at {0}). Giving up.", 
+                    methods.size()
+                );
+                break;
+            }
+            LOG.log(Level.INFO, 
+                "Timeout, but tests got from {0} to {1}. Trying again.", 
+                new Object[]{prev, methods.size()}
+            );
+        }
+        stopServerAndBrwsr(server, brwsr);
+    }
+    
+    static void copyStream(InputStream is, OutputStream os, String baseURL, String... params) throws IOException {
+        for (;;) {
+            int ch = is.read();
+            if (ch == -1) {
+                break;
+            }
+            if (ch == '$' && params.length > 0) {
+                int cnt = is.read() - '0';
+                if (cnt == 'U' - '0') {
+                    os.write(baseURL.getBytes());
+                }
+                if (cnt >= 0 && cnt < params.length) {
+                    os.write(params[cnt].getBytes());
+                }
+            } else {
+                os.write(ch);
+            }
+        }
+    }
+
+    private Object[] launchServerAndBrwsr(HttpServer server, final String page) throws IOException, URISyntaxException, InterruptedException {
+        server.start();
+        NetworkListener listener = server.getListeners().iterator().next();
+        int port = listener.getPort();
+        
+        URI uri = new URI("http://localhost:" + port + page);
+        LOG.log(Level.INFO, "Showing {0}", uri);
+        if (cmd == null) {
+            try {
+                LOG.log(Level.INFO, "Trying Desktop.browse on {0} {2} by {1}", new Object[] {
+                    System.getProperty("java.vm.name"),
+                    System.getProperty("java.vm.vendor"),
+                    System.getProperty("java.vm.version"),
+                });
+                java.awt.Desktop.getDesktop().browse(uri);
+                LOG.log(Level.INFO, "Desktop.browse successfully finished");
+                return null;
+            } catch (UnsupportedOperationException ex) {
+                LOG.log(Level.INFO, "Desktop.browse not supported: {0}", ex.getMessage());
+                LOG.log(Level.FINE, null, ex);
+            }
+        }
+        {
+            String cmdName = cmd == null ? "xdg-open" : cmd;
+            String[] cmdArr = { 
+                cmdName, uri.toString()
+            };
+            LOG.log(Level.INFO, "Launching {0}", Arrays.toString(cmdArr));
+            final Process process = Runtime.getRuntime().exec(cmdArr);
+            return new Object[] { process, null };
+        }
+    }
+    
+    private static String decodeURL(String s) {
+        for (;;) {
+            int pos = s.indexOf('%');
+            if (pos == -1) {
+                return s;
+            }
+            int i = Integer.parseInt(s.substring(pos + 1, pos + 2), 16);
+            s = s.substring(0, pos) + (char)i + s.substring(pos + 2);
+        }
+    }
+    
+    private void stopServerAndBrwsr(HttpServer server, Object[] brwsr) throws IOException {
+        if (brwsr == null) {
+            return;
+        }
+        Process process = (Process)brwsr[0];
+        
+        server.stop();
+        InputStream stdout = process.getInputStream();
+        InputStream stderr = process.getErrorStream();
+        drain("StdOut", stdout);
+        drain("StdErr", stderr);
+        process.destroy();
+        int res;
+        try {
+            res = process.waitFor();
+        } catch (InterruptedException ex) {
+            throw new IOException(ex);
+        }
+        LOG.log(Level.INFO, "Exit code: {0}", res);
+
+        deleteTree((File)brwsr[1]);
+    }
+    
+    private static void drain(String name, InputStream is) throws IOException {
+        int av = is.available();
+        if (av > 0) {
+            StringBuilder sb = new StringBuilder();
+            sb.append("v== ").append(name).append(" ==v\n");
+            while (av-- > 0) {
+                sb.append((char)is.read());
+            }
+            sb.append("\n^== ").append(name).append(" ==^");
+            LOG.log(Level.INFO, sb.toString());
+        }
+    }
+
+    private void deleteTree(File file) {
+        if (file == null) {
+            return;
+        }
+        File[] arr = file.listFiles();
+        if (arr != null) {
+            for (File s : arr) {
+                deleteTree(s);
+            }
+        }
+        file.delete();
+    }
+
+    @Override
+    public void close() throws IOException {
+        shutdown();
+    }
+
+    private class Res implements Bck2Brwsr.Resources {
+        @Override
+        public InputStream get(String resource) throws IOException {
+            for (ClassLoader l : loaders) {
+                URL u = null;
+                Enumeration<URL> en = l.getResources(resource);
+                while (en.hasMoreElements()) {
+                    u = en.nextElement();
+                }
+                if (u != null) {
+                    return u.openStream();
+                }
+            }
+            for (Bck2Brwsr.Resources r : xRes) {
+                InputStream is = r.get(resource);
+                if (is != null) {
+                    return is;
+                }
+            }
+            throw new IOException("Can't find " + resource);
+        }
+    }
+
+    private static class Page extends HttpHandler {
+        private final String resource;
+        private final String[] args;
+        private final Res res;
+        
+        public Page(Res res, String resource, String... args) {
+            this.res = res;
+            this.resource = resource;
+            this.args = args.length == 0 ? new String[] { "$0" } : args;
+        }
+
+        @Override
+        public void service(Request request, Response response) throws Exception {
+            String r = resource;
+            if (r == null) {
+                r = request.getHttpHandlerPath();
+                if (r.startsWith("/")) {
+                    r = r.substring(1);
+                }
+            }
+            String[] replace = {};
+            if (r.endsWith(".html")) {
+                response.setContentType("text/html");
+                LOG.info("Content type text/html");
+                replace = args;
+            }
+            if (r.endsWith(".xhtml")) {
+                response.setContentType("application/xhtml+xml");
+                LOG.info("Content type application/xhtml+xml");
+                replace = args;
+            }
+            OutputStream os = response.getOutputStream();
+            try (InputStream is = res.get(r)) {
+                copyStream(is, os, request.getRequestURL().toString(), replace);
+            } catch (IOException ex) {
+                response.setDetailMessage(ex.getLocalizedMessage());
+                response.setError();
+                response.setStatus(404);
+            }
+        }
+    }
+
+    private static class VM extends HttpHandler {
+        private final Res loader;
+
+        public VM(Res loader) {
+            this.loader = loader;
+        }
+
+        @Override
+        public void service(Request request, Response response) throws Exception {
+            response.setCharacterEncoding("UTF-8");
+            response.setContentType("text/javascript");
+            Bck2Brwsr.generate(response.getWriter(), loader);
+        }
+    }
+    private static class VMInit extends HttpHandler {
+        public VMInit() {
+        }
+
+        @Override
+        public void service(Request request, Response response) throws Exception {
+            response.setCharacterEncoding("UTF-8");
+            response.setContentType("text/javascript");
+            response.getWriter().append(
+                "function ldCls(res) {\n"
+                + "  var request = new XMLHttpRequest();\n"
+                + "  request.open('GET', '/classes/' + res, false);\n"
+                + "  request.send();\n"
+                + "  var arr = eval('(' + request.responseText + ')');\n"
+                + "  return arr;\n"
+                + "}\n"
+                + "var vm = new bck2brwsr(ldCls);\n");
+        }
+    }
+
+    private static class Classes extends HttpHandler {
+        private final Res loader;
+
+        public Classes(Res loader) {
+            this.loader = loader;
+        }
+
+        @Override
+        public void service(Request request, Response response) throws Exception {
+            String res = request.getHttpHandlerPath();
+            if (res.startsWith("/")) {
+                res = res.substring(1);
+            }
+            try (InputStream is = loader.get(res)) {
+                response.setContentType("text/javascript");
+                Writer w = response.getWriter();
+                w.append("[");
+                for (int i = 0;; i++) {
+                    int b = is.read();
+                    if (b == -1) {
+                        break;
+                    }
+                    if (i > 0) {
+                        w.append(", ");
+                    }
+                    if (i % 20 == 0) {
+                        w.write("\n");
+                    }
+                    if (b > 127) {
+                        b = b - 256;
+                    }
+                    w.append(Integer.toString(b));
+                }
+                w.append("\n]");
+            } catch (IOException ex) {
+                response.setError();
+                response.setDetailMessage(ex.getMessage());
+            }
+        }
+    }
+}
diff -r 1adce93fea0f -r 08ffdc3938e7 dew/src/main/java/org/apidesign/bck2brwsr/launcher/Console.java
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/dew/src/main/java/org/apidesign/bck2brwsr/launcher/Console.java	Wed Jan 23 13:18:46 2013 +0100
@@ -0,0 +1,253 @@
+/**
+ * Back 2 Browser Bytecode Translator
+ * Copyright (C) 2012 Jaroslav Tulach <jaroslav.tulach@apidesign.org>
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, version 2 of the License.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program. Look for COPYING file in the top folder.
+ * If not, see http://opensource.org/licenses/GPL-2.0.
+ */
+package org.apidesign.bck2brwsr.launcher;
+
+import java.io.IOException;
+import java.io.InputStream;
+import java.lang.reflect.InvocationTargetException;
+import java.lang.reflect.Method;
+import java.lang.reflect.Modifier;
+import java.net.URL;
+import java.util.Enumeration;
+import org.apidesign.bck2brwsr.core.JavaScriptBody;
+
+/**
+ *
+ * @author Jaroslav Tulach <jtulach@netbeans.org>
+ */
+public class Console {
+    static {
+        turnAssetionStatusOn();
+    }
+    
+    @JavaScriptBody(args = {"id", "attr"}, body = 
+        "return window.document.getElementById(id)[attr].toString();")
+    private static native Object getAttr(String id, String attr);
+
+    @JavaScriptBody(args = {"id", "attr", "value"}, body = 
+        "window.document.getElementById(id)[attr] = value;")
+    private static native void setAttr(String id, String attr, Object value);
+    
+    @JavaScriptBody(args = {}, body = "return; window.close();")
+    private static native void closeWindow();
+
+    private static void log(String newText) {
+        String id = "bck2brwsr.result";
+        String attr = "value";
+        setAttr(id, attr, getAttr(id, attr) + "\n" + newText);
+        setAttr(id, "scrollTop", getAttr(id, "scrollHeight"));
+    }
+    
+    public static void execute() throws Exception {
+        String clazz = (String) getAttr("clazz", "value");
+        String method = (String) getAttr("method", "value");
+        Object res = invokeMethod(clazz, method);
+        setAttr("bck2brwsr.result", "value", res);
+    }
+
+    @JavaScriptBody(args = { "url", "callback", "arr" }, body = ""
+        + "var request = new XMLHttpRequest();\n"
+        + "request.open('GET', url, true);\n"
+        + "request.onreadystatechange = function() {\n"
+        + "  if (this.readyState!==4) return;\n"
+        + "  arr[0] = this.responseText;\n"
+        + "  callback.run__V();\n"
+        + "};"
+        + "request.send();"
+    )
+    private static native void loadText(String url, Runnable callback, String[] arr) throws IOException;
+    
+    public static void harness(String url) throws IOException {
+        log("Connecting to " + url);
+        Request r = new Request(url);
+    }
+    
+    private static class Request implements Runnable {
+        private final String[] arr = { null };
+        private final String url;
+
+        private Request(String url) throws IOException {
+            this.url = url;
+            loadText(url, this, arr);
+        }
+        
+        @Override
+        public void run() {
+            try {
+                String data = arr[0];
+                log("\nGot \"" + data + "\"");
+                
+                if (data == null) {
+                    log("Some error exiting");
+                    closeWindow();
+                    return;
+                }
+                
+                if (data.isEmpty()) {
+                    log("No data, exiting");
+                    closeWindow();
+                    return;
+                }
+                
+                Case c = Case.parseData(data);
+                if (c.getHtmlFragment() != null) {
+                    setAttr("bck2brwsr.fragment", "innerHTML", c.getHtmlFragment());
+                }
+                log("Invoking " + c.getClassName() + '.' + c.getMethodName() + " as request: " + c.getRequestId());
+
+                Object result = invokeMethod(c.getClassName(), c.getMethodName());
+                
+                setAttr("bck2brwsr.fragment", "innerHTML", "");
+                log("Result: " + result);
+                
+                result = encodeURL("" + result);
+                
+                log("Sending back: " + url + "?request=" + c.getRequestId() + "&result=" + result);
+                String u = url + "?request=" + c.getRequestId() + "&result=" + result;
+                
+                loadText(u, this, arr);
+                
+            } catch (Exception ex) {
+                log(ex.getMessage());
+            }
+        }
+    }
+    
+    private static String encodeURL(String r) {
+        StringBuilder sb = new StringBuilder();
+        for (int i = 0; i < r.length(); i++) {
+            int ch = r.charAt(i);
+            if (ch < 32 || ch == '%' || ch == '+') {
+                sb.append("%").append(("0" + Integer.toHexString(ch)).substring(0, 2));
+            } else {
+                if (ch == 32) {
+                    sb.append("+");
+                } else {
+                    sb.append((char)ch);
+                }
+            }
+        }
+        return sb.toString();
+    }
+    
+    static String invoke(String clazz, String method) throws ClassNotFoundException, InvocationTargetException, IllegalAccessException, InstantiationException {
+        final Object r = invokeMethod(clazz, method);
+        return r == null ? "null" : r.toString().toString();
+    }
+
+    /** Helper method that inspects the classpath and loads given resource
+     * (usually a class file). Used while running tests in Rhino.
+     * 
+     * @param name resource name to find
+     * @return the array of bytes in the given resource
+     * @throws IOException I/O in case something goes wrong
+     */
+    public static byte[] read(String name) throws IOException {
+        URL u = null;
+        Enumeration<URL> en = Console.class.getClassLoader().getResources(name);
+        while (en.hasMoreElements()) {
+            u = en.nextElement();
+        }
+        if (u == null) {
+            throw new IOException("Can't find " + name);
+        }
+        try (InputStream is = u.openStream()) {
+            byte[] arr;
+            arr = new byte[is.available()];
+            int offset = 0;
+            while (offset < arr.length) {
+                int len = is.read(arr, offset, arr.length - offset);
+                if (len == -1) {
+                    throw new IOException("Can't read " + name);
+                }
+                offset += len;
+            }
+            return arr;
+        }
+    }
+   
+    private static Object invokeMethod(String clazz, String method) 
+    throws ClassNotFoundException, InvocationTargetException, 
+    SecurityException, IllegalAccessException, IllegalArgumentException,
+    InstantiationException {
+        Method found = null;
+        Class<?> c = Class.forName(clazz);
+        for (Method m : c.getMethods()) {
+            if (m.getName().equals(method)) {
+                found = m;
+            }
+        }
+        Object res;
+        if (found != null) {
+            try {
+                if ((found.getModifiers() & Modifier.STATIC) != 0) {
+                    res = found.invoke(null);
+                } else {
+                    res = found.invoke(c.newInstance());
+                }
+            } catch (Throwable ex) {
+                res = ex.getClass().getName() + ":" + ex.getMessage();
+            }
+        } else {
+            res = "Can't find method " + method + " in " + clazz;
+        }
+        return res;
+    }
+
+    @JavaScriptBody(args = {}, body = "vm.desiredAssertionStatus = true;")
+    private static void turnAssetionStatusOn() {
+    }
+    
+    private static final class Case {
+        private final Object data;
+
+        private Case(Object data) {
+            this.data = data;
+        }
+        
+        public static Case parseData(String s) {
+            return new Case(toJSON(s));
+        }
+        
+        public String getMethodName() {
+            return value("methodName", data);
+        }
+
+        public String getClassName() {
+            return value("className", data);
+        }
+        
+        public String getRequestId() {
+            return value("request", data);
+        }
+
+        public String getHtmlFragment() {
+            return value("html", data);
+        }
+        
+        @JavaScriptBody(args = "s", body = "return eval('(' + s + ')');")
+        private static native Object toJSON(String s);
+        
+        @JavaScriptBody(args = {"p", "d"}, body = 
+              "var v = d[p];\n"
+            + "if (typeof v === 'undefined') return null;\n"
+            + "return v.toString();"
+        )
+        private static native String value(String p, Object d);
+    }
+}
diff -r 1adce93fea0f -r 08ffdc3938e7 dew/src/main/java/org/apidesign/bck2brwsr/launcher/JSLauncher.java
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/dew/src/main/java/org/apidesign/bck2brwsr/launcher/JSLauncher.java	Wed Jan 23 13:18:46 2013 +0100
@@ -0,0 +1,126 @@
+/**
+ * Back 2 Browser Bytecode Translator
+ * Copyright (C) 2012 Jaroslav Tulach <jaroslav.tulach@apidesign.org>
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, version 2 of the License.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program. Look for COPYING file in the top folder.
+ * If not, see http://opensource.org/licenses/GPL-2.0.
+ */
+package org.apidesign.bck2brwsr.launcher;
+
+import java.io.IOException;
+import java.io.InputStream;
+import java.net.URL;
+import java.util.Enumeration;
+import java.util.LinkedHashSet;
+import java.util.Set;
+import java.util.logging.Logger;
+import javax.script.Invocable;
+import javax.script.ScriptEngine;
+import javax.script.ScriptEngineManager;
+import javax.script.ScriptException;
+import org.apidesign.vm4brwsr.Bck2Brwsr;
+
+/**
+ * Tests execution in Java's internal scripting engine.
+ */
+final class JSLauncher extends Launcher {
+    private static final Logger LOG = Logger.getLogger(JSLauncher.class.getName());
+    private Set<ClassLoader> loaders = new LinkedHashSet<>();
+    private final Res resources = new Res();
+    private Invocable code;
+    private StringBuilder codeSeq;
+    private Object console;
+    
+    
+    @Override MethodInvocation addMethod(Class<?> clazz, String method, String html) {
+        loaders.add(clazz.getClassLoader());
+        MethodInvocation mi = new MethodInvocation(clazz.getName(), method, html);
+        try {
+            mi.result(code.invokeMethod(
+                console,
+                "invoke__Ljava_lang_String_2Ljava_lang_String_2Ljava_lang_String_2",
+                mi.className, mi.methodName).toString(), null);
+        } catch (ScriptException | NoSuchMethodException ex) {
+            mi.result(null, ex);
+        }
+        return mi;
+    }
+    
+    public void addClassLoader(ClassLoader url) {
+        this.loaders.add(url);
+    }
+
+    @Override
+    public void initialize() throws IOException {
+        try {
+            initRhino();
+        } catch (Exception ex) {
+            if (ex instanceof IOException) {
+                throw (IOException)ex;
+            }
+            if (ex instanceof RuntimeException) {
+                throw (RuntimeException)ex;
+            }
+            throw new IOException(ex);
+        }
+    }
+    
+    private void initRhino() throws IOException, ScriptException, NoSuchMethodException {
+        StringBuilder sb = new StringBuilder();
+        Bck2Brwsr.generate(sb, new Res());
+
+        ScriptEngineManager sem = new ScriptEngineManager();
+        ScriptEngine mach = sem.getEngineByExtension("js");
+
+        sb.append(
+              "\nvar vm = new bck2brwsr(org.apidesign.bck2brwsr.launcher.Console.read);"
+            + "\nfunction initVM() { return vm; };"
+            + "\n");
+
+        Object res = mach.eval(sb.toString());
+        if (!(mach instanceof Invocable)) {
+            throw new IOException("It is invocable object: " + res);
+        }
+        code = (Invocable) mach;
+        codeSeq = sb;
+        
+        Object vm = code.invokeFunction("initVM");
+        console = code.invokeMethod(vm, "loadClass", Console.class.getName());
+    }
+
+    @Override
+    public void shutdown() throws IOException {
+    }
+
+    @Override
+    public String toString() {
+        return codeSeq.toString();
+    }
+    
+    private class Res implements Bck2Brwsr.Resources {
+        @Override
+        public InputStream get(String resource) throws IOException {
+            for (ClassLoader l : loaders) {
+                URL u = null;
+                Enumeration<URL> en = l.getResources(resource);
+                while (en.hasMoreElements()) {
+                    u = en.nextElement();
+                }
+                if (u != null) {
+                    return u.openStream();
+                }
+            }
+            throw new IOException("Can't find " + resource);
+        }
+    }
+}
diff -r 1adce93fea0f -r 08ffdc3938e7 dew/src/main/java/org/apidesign/bck2brwsr/launcher/Launcher.java
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/dew/src/main/java/org/apidesign/bck2brwsr/launcher/Launcher.java	Wed Jan 23 13:18:46 2013 +0100
@@ -0,0 +1,63 @@
+/**
+ * Back 2 Browser Bytecode Translator
+ * Copyright (C) 2012 Jaroslav Tulach <jaroslav.tulach@apidesign.org>
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, version 2 of the License.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program. Look for COPYING file in the top folder.
+ * If not, see http://opensource.org/licenses/GPL-2.0.
+ */
+package org.apidesign.bck2brwsr.launcher;
+
+import java.io.Closeable;
+import java.io.IOException;
+import java.net.URLClassLoader;
+import org.apidesign.vm4brwsr.Bck2Brwsr;
+
+/** An abstraction for executing tests in a Bck2Brwsr virtual machine.
+ * Either in JavaScript engine, or in external browser.
+ *
+ * @author Jaroslav Tulach <jtulach@netbeans.org>
+ */
+public abstract class Launcher {
+
+    Launcher() {
+    }
+    
+    abstract MethodInvocation addMethod(Class<?> clazz, String method, String html) throws IOException; 
+
+    public abstract void initialize() throws IOException;
+    public abstract void shutdown() throws IOException;
+    public MethodInvocation invokeMethod(Class<?> clazz, String method, String html) throws IOException {
+        return addMethod(clazz, method, html);
+    }
+    
+    
+
+    public static Launcher createJavaScript() {
+        final JSLauncher l = new JSLauncher();
+        l.addClassLoader(Bck2Brwsr.class.getClassLoader());
+        return l;
+    }
+    
+    public static Launcher createBrowser(String cmd) {
+        final Bck2BrwsrLauncher l = new Bck2BrwsrLauncher(cmd);
+        l.addClassLoader(Bck2Brwsr.class.getClassLoader());
+        l.setTimeout(180000);
+        return l;
+    }
+    public static Closeable showURL(URLClassLoader classes, String startpage) throws IOException {
+        Bck2BrwsrLauncher l = new Bck2BrwsrLauncher(null);
+        l.addClassLoader(classes);
+        l.showURL(startpage);
+        return l;
+    }
+}
diff -r 1adce93fea0f -r 08ffdc3938e7 dew/src/main/java/org/apidesign/bck2brwsr/launcher/MethodInvocation.java
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/dew/src/main/java/org/apidesign/bck2brwsr/launcher/MethodInvocation.java	Wed Jan 23 13:18:46 2013 +0100
@@ -0,0 +1,59 @@
+/**
+ * Back 2 Browser Bytecode Translator
+ * Copyright (C) 2012 Jaroslav Tulach <jaroslav.tulach@apidesign.org>
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, version 2 of the License.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program. Look for COPYING file in the top folder.
+ * If not, see http://opensource.org/licenses/GPL-2.0.
+ */
+package org.apidesign.bck2brwsr.launcher;
+
+import java.util.concurrent.CountDownLatch;
+import java.util.concurrent.TimeUnit;
+
+/**
+ *
+ * @author Jaroslav Tulach <jtulach@netbeans.org>
+ */
+public final class MethodInvocation {
+    final CountDownLatch wait = new CountDownLatch(1);
+    final String className;
+    final String methodName;
+    final String html;
+    private String result;
+    private Throwable exception;
+
+    MethodInvocation(String className, String methodName, String html) {
+        this.className = className;
+        this.methodName = methodName;
+        this.html = html;
+    }
+    
+    void await(long timeOut) throws InterruptedException {
+        wait.await(timeOut, TimeUnit.MILLISECONDS);
+    }
+    
+    void result(String r, Throwable e) {
+        this.result = r;
+        this.exception = e;
+        wait.countDown();
+    }
+
+    @Override
+    public String toString() {
+        if (exception != null) {
+            return exception.toString();
+        }
+        return result;
+    }
+    
+}
diff -r 1adce93fea0f -r 08ffdc3938e7 dew/src/main/resources/org/apidesign/bck2brwsr/dew/css/app.css
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/dew/src/main/resources/org/apidesign/bck2brwsr/dew/css/app.css	Wed Jan 23 13:18:46 2013 +0100
@@ -0,0 +1,54 @@
+/* app css stylesheet */
+.code-editor, .mono-font, .CodeMirror {
+    font-family: "Inconsolata","Monaco","Consolas","Andale Mono","Bitstream Vera Sans Mono","Courier New",Courier,monospace;
+    font-size: 13px;
+    line-height: 15px;
+}
+
+.CodeMirror {                    
+    border: 1px solid #d9edf7;      
+    height: 300px;
+}
+      
+.CodeMirror-scroll {
+    overflow-y: auto;
+    overflow-x: auto;
+}
+
+.error-hover:hover {
+    text-decoration: underline;
+    cursor: pointer;
+} 
+
+.ic-html5 {
+  display: inline-block;  
+  height: 20px;
+  width: 20px;
+  vertical-align: text-bottom;
+  background-repeat: no-repeat;  
+  background-image: url("../img/html5.png");  
+}
+
+.ic-java {
+  display: inline-block;  
+  height: 20px;
+  width: 20px;
+  vertical-align: text-bottom;
+  background-repeat: no-repeat;  
+  background-image: url("../img/java.png"); 
+ 
+}
+
+.issues {    
+    width: 16px;
+}
+
+.issue { 
+    height: 16px;
+    width: 16px;
+    vertical-align: middle;
+    background-repeat: no-repeat;  
+    background-image: url("../img/error.png"); 
+    /* color: #822; */
+}
+
diff -r 1adce93fea0f -r 08ffdc3938e7 dew/src/main/resources/org/apidesign/bck2brwsr/dew/css/bootstrap-combined.min.css
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/dew/src/main/resources/org/apidesign/bck2brwsr/dew/css/bootstrap-combined.min.css	Wed Jan 23 13:18:46 2013 +0100
@@ -0,0 +1,18 @@
+/*!
+ * Bootstrap v2.2.2
+ *
+ * Copyright 2012 Twitter, Inc
+ * Licensed under the Apache License v2.0
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Designed and built with all the love in the world @twitter by @mdo and @fat.
+ */article,aside,details,figcaption,figure,footer,header,hgroup,nav,section{display:block}audio,canvas,video{display:inline-block;*display:inline;*zoom:1}audio:not([controls]){display:none}html{font-size:100%;-webkit-text-size-adjust:100%;-ms-text-size-adjust:100%}a:focus{outline:thin dotted #333;outline:5px auto -webkit-focus-ring-color;outline-offset:-2px}a:hover,a:active{outline:0}sub,sup{position:relative;font-size:75%;line-height:0;vertical-align:baseline}sup{top:-0.5em}sub{bottom:-0.25em}img{width:auto\9;height:auto;max-width:100%;vertical-align:middle;border:0;-ms-interpolation-mode:bicubic}#map_canvas img,.google-maps img{max-width:none}button,input,select,textarea{margin:0;font-size:100%;vertical-align:middle}button,input{*overflow:visible;line-height:normal}button::-moz-focus-inner,input::-moz-focus-inner{padding:0;border:0}button,html 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diff -r 1adce93fea0f -r 08ffdc3938e7 dew/src/main/resources/org/apidesign/bck2brwsr/dew/img/error.png
Binary file dew/src/main/resources/org/apidesign/bck2brwsr/dew/img/error.png has changed
diff -r 1adce93fea0f -r 08ffdc3938e7 dew/src/main/resources/org/apidesign/bck2brwsr/dew/img/glyphicons-halflings-white.png
Binary file dew/src/main/resources/org/apidesign/bck2brwsr/dew/img/glyphicons-halflings-white.png has changed
diff -r 1adce93fea0f -r 08ffdc3938e7 dew/src/main/resources/org/apidesign/bck2brwsr/dew/img/glyphicons-halflings.png
Binary file dew/src/main/resources/org/apidesign/bck2brwsr/dew/img/glyphicons-halflings.png has changed
diff -r 1adce93fea0f -r 08ffdc3938e7 dew/src/main/resources/org/apidesign/bck2brwsr/dew/img/html5.png
Binary file dew/src/main/resources/org/apidesign/bck2brwsr/dew/img/html5.png has changed
diff -r 1adce93fea0f -r 08ffdc3938e7 dew/src/main/resources/org/apidesign/bck2brwsr/dew/img/java.png
Binary file dew/src/main/resources/org/apidesign/bck2brwsr/dew/img/java.png has changed
diff -r 1adce93fea0f -r 08ffdc3938e7 dew/src/main/resources/org/apidesign/bck2brwsr/dew/index.html
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/dew/src/main/resources/org/apidesign/bck2brwsr/dew/index.html	Wed Jan 23 13:18:46 2013 +0100
@@ -0,0 +1,98 @@
+<!--
+To change this template, choose Tools | Templates
+and open the template in the editor.
+-->
+<!DOCTYPE html>
+<html lang="en" ng-app="bck2brwsr" ng-controller="DevCtrl">
+    <head>
+        <title>Back2Browser - DEW</title>
+        <meta http-equiv="Content-Type" content="text/html; charset=UTF-8">
+        <meta name="viewport" content="width=device-width, initial-scale=1.0">
+        <link rel="stylesheet" href="css/bootstrap-combined.min.css"/>  
+        <link rel="stylesheet" href="js/codemirror/codemirror.css">
+        <link rel="stylesheet" href="js/codemirror/theme/elegant.css"/>
+        <link rel="stylesheet" href="css/app.css"/>
+    </head>
+    <body>
+                
+        <div class="navbar navbar-fixed-top" style="width: 100%"> 
+        <div class="navbar-inner" style="padding-left: 12px; padding-right: 12px;">
+            <!-- a class="brand" style="font-size: 100%"><span class="text-info"><b>Java and HTML5</b></span><small>- Together at Last!</small></a-->
+            <form class="navbar-form pull-right">
+                <!-- select class="span2"></select -->
+                <button ng-click="post()" class="btn btn-warning">Rebuild</button>
+              </form>
+            <!-- ul class="nav">                          
+                <li><select class="btn-small" type="text"></select></li>
+            </ul -->
+            <!-- form class="form form-horizontal pull-right">
+                <button class="btn btn-warning btn-small pull-right top" ng-click="post()">Rebuild</button>
+            </form -->
+            <!-- ul class="nav pull-right">
+                
+            </ul-->     
+        </div>  
+        </div>
+
+        <div class="container-fluid">        
+        
+        <div style="height: 4em;">&nbsp;</div>    
+            
+        <div class="row-fluid">
+            <div class="span6" style="margin-bottom: 10px;"> 
+                <table class="table table-condensed" style="margin-bottom: 2px">
+                <tr><td><i class="ic-html5"></i> HTML5</td></tr>               
+                </table>
+                <div>
+                    <textarea ui-codemirror='{ lineNumbers : true, mode : "xml", theme : "elegant", matchBrackets : true, lineWrapping : true }' ng-model="html"></textarea>
+                    <div class="alert alert-error" ng-show="doc.modelError">
+                        <small>{{doc.modelError.toString()}}</small>
+                    </div>
+                </div>    
+            </div>
+            
+            <div class="span6">  
+                <table class="table table-condensed" style="margin-bottom: 2px">
+                <tr><td><i class="ic-java"></i> Java</td></tr>               
+                </table>                
+                <div>
+                    <textarea id="editorJava" ui-codemirror='{ lineNumbers : true, mode : "text/x-java", theme : "elegant", matchBrackets : true, lineWrapping : true, gutters: ["CodeMirror-linenumbers", "issues"] }' ng-model="java"></textarea>
+                    <div class="alert alert-error" ng-show="doc.modelError">
+                        <small>{{doc.modelError.toString()}}</small>
+                    </div>
+                </div>
+            </div>
+        
+        </div>    
+            
+        <table class="table table-condensed">
+            <tr ng-click="gotoError(e.line, e.col)" ng-repeat="e in errors" ng-class="errorClass(e.kind)">
+                <td style="text-align: right">{{e.line}}</td> 
+                <td>:</td> 
+                <td style="text-align: left">{{e.col}}</td> 
+                <td width="100%" class="text-error error-hover">{{e.msg}} <i class="icon-play"/></td>
+            </tr>            
+        </table>    
+            
+        
+        <div>&nbsp;</div>    
+            
+        <ul class="nav nav-tabs">
+            <li ng-class="'active'"><a href="#">Result</a></li>
+        </ul>    
+        
+        
+        <!-- button class="btn" ng-click="reload()">Reload</button -->
+        <iframe id="result" frameborder="0" scrolling="yes" width="100%" style="height: 1000px; overflow: auto; border: 1px solid #DFDFDF;" src="result.html">
+            <p>Your browser does not support iframes.</p>
+        </iframe>
+            
+        </div>
+        
+        <script src="js/angular/angular.min.js"></script>
+        <script src="js/codemirror/codemirror.js"></script>
+        <script src="js/codemirror/mode/xml.js"></script>
+        <script src="js/codemirror/mode/clike.js"></script>
+        <script src="js/app.js"></script>
+    </body>
+</html>
diff -r 1adce93fea0f -r 08ffdc3938e7 dew/src/main/resources/org/apidesign/bck2brwsr/dew/js/angular/angular.min.js
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/dew/src/main/resources/org/apidesign/bck2brwsr/dew/js/angular/angular.min.js	Wed Jan 23 13:18:46 2013 +0100
@@ -0,0 +1,159 @@
+/*
+ AngularJS v1.0.3
+ (c) 2010-2012 Google, Inc. http://angularjs.org
+ License: MIT
+*/
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+function(a){c.html(a||"")})}}],yd=jb("",!0),zd=jb("Odd",0),Ad=jb("Even",1),Bd=S({compile:function(a,c){c.$set("ngCloak",p);a.removeClass("ng-cloak")}}),Cd=[function(){return{scope:!0,controller:"@"}}],Dd=["$sniffer",function(a){return{priority:1E3,compile:function(){a.csp=!0}}}],dc={};m("click dblclick mousedown mouseup mouseover mouseout mousemove mouseenter mouseleave".split(" "),function(a){var c=fa("ng-"+a);dc[c]=["$parse",function(d){return function(e,g,i){var f=d(i[c]);g.bind(E(a),function(a){e.$apply(function(){f(e,
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+v(k)&&(!k||g.$eval(k))&&d(),m.$emit("$includeContentLoaded"),g.$eval(h))}).error(function(){p===o&&n()}):n()})}}}}],Gd=S({compile:function(){return{pre:function(a,c,d){a.$eval(d.ngInit)}}}}),Hd=S({terminal:!0,priority:1E3}),Id=["$locale","$interpolate",function(a,c){var d=/{}/g;return{restrict:"EA",link:function(e,g,i){var f=i.count,h=g.attr(i.$attr.when),k=i.offset||0,j=e.$eval(h),l={},o=c.startSymbol(),r=c.endSymbol();m(j,function(a,e){l[e]=c(a.replace(d,o+f+"-"+k+r))});e.$watch(function(){var c=
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+f+"'.");k=i[3]||i[1];j=i[2];var l=new eb;a.$watch(function(a){var e,f,i=a.$eval(h),m=gc(i,!0),p,u=new eb,C,A,v,t,y=c;if(J(i))v=i||[];else{v=[];for(C in i)i.hasOwnProperty(C)&&C.charAt(0)!="$"&&v.push(C);v.sort()}e=0;for(f=v.length;e<f;e++){C=i===v?e:v[e];A=i[C];if(t=l.shift(A)){p=t.scope;u.push(A,t);if(e!==t.index)t.index=e,y.after(t.element);y=t.element}else p=a.$new();p[k]=A;j&&(p[j]=C);p.$index=e;p.$first=e===0;p.$last=e===m-1;p.$middle=!(p.$first||p.$last);t||d(p,function(a){y.after(a);t={scope:p,
+element:y=a,index:e};u.push(A,t)})}for(C in l)if(l.hasOwnProperty(C))for(v=l[C];v.length;)A=v.pop(),A.element.remove(),A.scope.$destroy();l=u})}}}),Kd=S(function(a,c,d){a.$watch(d.ngShow,function(a){c.css("display",Wa(a)?"":"none")})}),Ld=S(function(a,c,d){a.$watch(d.ngHide,function(a){c.css("display",Wa(a)?"none":"")})}),Md=S(function(a,c,d){a.$watch(d.ngStyle,function(a,d){d&&a!==d&&m(d,function(a,d){c.css(d,"")});a&&c.css(a)},!0)}),Nd=I({restrict:"EA",compile:function(a,c){var d=c.ngSwitch||c.on,
+e={};a.data("ng-switch",e);return function(a,i){var f,h,k;a.$watch(d,function(d){h&&(k.$destroy(),h.remove(),h=k=null);if(f=e["!"+d]||e["?"])a.$eval(c.change),k=a.$new(),f(k,function(a){h=a;i.append(a)})})}}}),Od=S({transclude:"element",priority:500,compile:function(a,c,d){a=a.inheritedData("ng-switch");qa(a);a["!"+c.ngSwitchWhen]=d}}),Pd=S({transclude:"element",priority:500,compile:function(a,c,d){a=a.inheritedData("ng-switch");qa(a);a["?"]=d}}),Qd=S({controller:["$transclude","$element",function(a,
+c){a(function(a){c.append(a)})}]}),Rd=["$http","$templateCache","$route","$anchorScroll","$compile","$controller",function(a,c,d,e,g,i){return{restrict:"ECA",terminal:!0,link:function(a,c,k){function j(){var j=d.current&&d.current.locals,k=j&&j.$template;if(k){c.html(k);l&&(l.$destroy(),l=null);var k=g(c.contents()),p=d.current;l=p.scope=a.$new();if(p.controller)j.$scope=l,j=i(p.controller,j),c.contents().data("$ngControllerController",j);k(l);l.$emit("$viewContentLoaded");l.$eval(m);e()}else c.html(""),
+l&&(l.$destroy(),l=null)}var l,m=k.onload||"";a.$on("$routeChangeSuccess",j);j()}}}],Sd=["$templateCache",function(a){return{restrict:"E",terminal:!0,compile:function(c,d){d.type=="text/ng-template"&&a.put(d.id,c[0].text)}}}],Td=I({terminal:!0}),Ud=["$compile","$parse",function(a,c){var d=/^\s*(.*?)(?:\s+as\s+(.*?))?(?:\s+group\s+by\s+(.*))?\s+for\s+(?:([\$\w][\$\w\d]*)|(?:\(\s*([\$\w][\$\w\d]*)\s*,\s*([\$\w][\$\w\d]*)\s*\)))\s+in\s+(.*)$/,e={$setViewValue:D};return{restrict:"E",require:["select",
+"?ngModel"],controller:["$element","$scope","$attrs",function(a,c,d){var h=this,k={},j=e,l;h.databound=d.ngModel;h.init=function(a,c,d){j=a;l=d};h.addOption=function(c){k[c]=!0;j.$viewValue==c&&(a.val(c),l.parent()&&l.remove())};h.removeOption=function(a){this.hasOption(a)&&(delete k[a],j.$viewValue==a&&this.renderUnknownOption(a))};h.renderUnknownOption=function(c){c="? "+ga(c)+" ?";l.val(c);a.prepend(l);a.val(c);l.prop("selected",!0)};h.hasOption=function(a){return k.hasOwnProperty(a)};c.$on("$destroy",
+function(){h.renderUnknownOption=D})}],link:function(e,i,f,h){function k(a,c,d,e){d.$render=function(){var a=d.$viewValue;e.hasOption(a)?(A.parent()&&A.remove(),c.val(a),a===""&&s.prop("selected",!0)):t(a)&&s?c.val(""):e.renderUnknownOption(a)};c.bind("change",function(){a.$apply(function(){A.parent()&&A.remove();d.$setViewValue(c.val())})})}function j(a,c,d){var e;d.$render=function(){var a=new Fa(d.$viewValue);m(c.children(),function(c){c.selected=v(a.get(c.value))})};a.$watch(function(){ha(e,d.$viewValue)||
+(e=V(d.$viewValue),d.$render())});c.bind("change",function(){a.$apply(function(){var a=[];m(c.children(),function(c){c.selected&&a.push(c.value)});d.$setViewValue(a)})})}function l(e,f,g){function h(){var a={"":[]},c=[""],d,i,s,t,u;s=g.$modelValue;t=r(e)||[];var y=l?lb(t):t,A,w,x;w={};u=!1;var z,B;if(n)u=new Fa(s);else if(s===null||q)a[""].push({selected:s===null,id:"",label:""}),u=!0;for(x=0;A=y.length,x<A;x++){w[k]=t[l?w[l]=y[x]:x];d=m(e,w)||"";if(!(i=a[d]))i=a[d]=[],c.push(d);n?d=u.remove(o(e,
+w))!=p:(d=s===o(e,w),u=u||d);z=j(e,w);z=z===p?"":z;i.push({id:l?y[x]:x,label:z,selected:d})}!n&&!u&&a[""].unshift({id:"?",label:"",selected:!0});w=0;for(y=c.length;w<y;w++){d=c[w];i=a[d];if(v.length<=w)s={element:C.clone().attr("label",d),label:i.label},t=[s],v.push(t),f.append(s.element);else if(t=v[w],s=t[0],s.label!=d)s.element.attr("label",s.label=d);z=null;x=0;for(A=i.length;x<A;x++)if(d=i[x],u=t[x+1]){z=u.element;if(u.label!==d.label)z.text(u.label=d.label);if(u.id!==d.id)z.val(u.id=d.id);if(u.element.selected!==
+d.selected)z.prop("selected",u.selected=d.selected)}else d.id===""&&q?B=q:(B=D.clone()).val(d.id).attr("selected",d.selected).text(d.label),t.push({element:B,label:d.label,id:d.id,selected:d.selected}),z?z.after(B):s.element.append(B),z=B;for(x++;t.length>x;)t.pop().element.remove()}for(;v.length>w;)v.pop()[0].element.remove()}var i;if(!(i=w.match(d)))throw B("Expected ngOptions in form of '_select_ (as _label_)? for (_key_,)?_value_ in _collection_' but got '"+w+"'.");var j=c(i[2]||i[1]),k=i[4]||
+i[6],l=i[5],m=c(i[3]||""),o=c(i[2]?i[1]:k),r=c(i[7]),v=[[{element:f,label:""}]];q&&(a(q)(e),q.removeClass("ng-scope"),q.remove());f.html("");f.bind("change",function(){e.$apply(function(){var a,c=r(e)||[],d={},h,i,j,m,q,s;if(n){i=[];m=0;for(s=v.length;m<s;m++){a=v[m];j=1;for(q=a.length;j<q;j++)if((h=a[j].element)[0].selected)h=h.val(),l&&(d[l]=h),d[k]=c[h],i.push(o(e,d))}}else h=f.val(),h=="?"?i=p:h==""?i=null:(d[k]=c[h],l&&(d[l]=h),i=o(e,d));g.$setViewValue(i)})});g.$render=h;e.$watch(h)}if(h[1]){for(var o=
+h[0],r=h[1],n=f.multiple,w=f.ngOptions,q=!1,s,D=u(ca.createElement("option")),C=u(ca.createElement("optgroup")),A=D.clone(),h=0,x=i.children(),E=x.length;h<E;h++)if(x[h].value==""){s=q=x.eq(h);break}o.init(r,q,A);if(n&&(f.required||f.ngRequired)){var y=function(a){r.$setValidity("required",!f.required||a&&a.length);return a};r.$parsers.push(y);r.$formatters.unshift(y);f.$observe("required",function(){y(r.$viewValue)})}w?l(e,i,r):n?j(e,i,r):k(e,i,r,o)}}}}],Vd=["$interpolate",function(a){var c={addOption:D,
+removeOption:D};return{restrict:"E",priority:100,compile:function(d,e){if(t(e.value)){var g=a(d.text(),!0);g||e.$set("value",d.text())}return function(a,d,e){var k=d.parent(),j=k.data("$selectController")||k.parent().data("$selectController");j&&j.databound?d.prop("selected",!1):j=c;g?a.$watch(g,function(a,c){e.$set("value",a);a!==c&&j.removeOption(c);j.addOption(a)}):j.addOption(e.value);d.bind("$destroy",function(){j.removeOption(e.value)})}}}}],Wd=I({restrict:"E",terminal:!0});(ja=U.jQuery)?(u=
+ja,x(ja.fn,{scope:ua.scope,controller:ua.controller,injector:ua.injector,inheritedData:ua.inheritedData}),ab("remove",!0),ab("empty"),ab("html")):u=Q;Yb.element=u;(function(a){x(a,{bootstrap:pb,copy:V,extend:x,equals:ha,element:u,forEach:m,injector:qb,noop:D,bind:Va,toJson:da,fromJson:nb,identity:ma,isUndefined:t,isDefined:v,isString:F,isFunction:N,isObject:L,isNumber:wa,isElement:fc,isArray:J,version:id,isDate:na,lowercase:E,uppercase:la,callbacks:{counter:0}});ta=lc(U);try{ta("ngLocale")}catch(c){ta("ngLocale",
+[]).provider("$locale",Zc)}ta("ng",["ngLocale"],["$provide",function(a){a.provider("$compile",Bb).directive({a:jd,input:bc,textarea:bc,form:kd,script:Sd,select:Ud,style:Wd,option:Vd,ngBind:vd,ngBindHtmlUnsafe:xd,ngBindTemplate:wd,ngClass:yd,ngClassEven:Ad,ngClassOdd:zd,ngCsp:Dd,ngCloak:Bd,ngController:Cd,ngForm:ld,ngHide:Ld,ngInclude:Fd,ngInit:Gd,ngNonBindable:Hd,ngPluralize:Id,ngRepeat:Jd,ngShow:Kd,ngSubmit:Ed,ngStyle:Md,ngSwitch:Nd,ngSwitchWhen:Od,ngSwitchDefault:Pd,ngOptions:Td,ngView:Rd,ngTransclude:Qd,
+ngModel:qd,ngList:sd,ngChange:rd,required:cc,ngRequired:cc,ngValue:ud}).directive(kb).directive(dc);a.provider({$anchorScroll:uc,$browser:wc,$cacheFactory:xc,$controller:Bc,$document:Cc,$exceptionHandler:Dc,$filter:Pb,$interpolate:Ec,$http:Vc,$httpBackend:Wc,$location:Ic,$log:Jc,$parse:Nc,$route:Qc,$routeParams:Rc,$rootScope:Sc,$q:Oc,$sniffer:Tc,$templateCache:yc,$timeout:$c,$window:Uc})}])})(Yb);u(ca).ready(function(){jc(ca,pb)})})(window,document);angular.element(document).find("head").append('<style type="text/css">@charset "UTF-8";[ng\\:cloak],[ng-cloak],[data-ng-cloak],[x-ng-cloak],.ng-cloak,.x-ng-cloak{display:none;}ng\\:form{display:block;}</style>');
diff -r 1adce93fea0f -r 08ffdc3938e7 dew/src/main/resources/org/apidesign/bck2brwsr/dew/js/app.js
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/dew/src/main/resources/org/apidesign/bck2brwsr/dew/js/app.js	Wed Jan 23 13:18:46 2013 +0100
@@ -0,0 +1,206 @@
+// 'use strict';
+
+// Declare app level module which depends on filters, and services
+angular.module('bck2brwsr', []).
+  directive('uiCodemirror', ['$timeout', function($timeout) {
+        'use strict';
+
+        var events = ["cursorActivity", "viewportChange", "gutterClick", "focus", "blur", "scroll", "update"];
+        return {
+            restrict: 'A',
+            require: 'ngModel',
+            link: function(scope, elm, attrs, ngModel) {
+                var options, opts, onChange, deferCodeMirror, codeMirror, timeoutId, val;
+
+                if (elm[0].type !== 'textarea') {
+                    throw new Error('uiCodemirror3 can only be applied to a textarea element');
+                }
+
+                options = /* uiConfig.codemirror  || */ {};
+                opts = angular.extend({}, options, scope.$eval(attrs.uiCodemirror));
+
+                onChange = function(instance, changeObj) {                    
+                    val = instance.getValue();
+                    $timeout.cancel(timeoutId);
+                    timeoutId = $timeout(function() {
+                        ngModel.$setViewValue(val);                        
+                      }, 500);                    
+                };
+                
+                deferCodeMirror = function() {
+                    codeMirror = CodeMirror.fromTextArea(elm[0], opts);
+                    elm[0].codeMirror = codeMirror;
+                    // codeMirror.on("change", onChange(opts.onChange));
+                    codeMirror.on("change", onChange);
+
+                    for (var i = 0, n = events.length, aEvent; i < n; ++i) {
+                        aEvent = opts["on" + events[i].charAt(0).toUpperCase() + events[i].slice(1)];
+                        if (aEvent === void 0)
+                            continue;
+                        if (typeof aEvent !== "function")
+                            continue;
+                                                
+                        var bound = _.bind( aEvent, scope );
+                        
+                        codeMirror.on(events[i], bound);
+                    }
+
+                    // CodeMirror expects a string, so make sure it gets one.
+                    // This does not change the model.
+                    ngModel.$formatters.push(function(value) {
+                        if (angular.isUndefined(value) || value === null) {
+                            return '';
+                        }
+                        else if (angular.isObject(value) || angular.isArray(value)) {
+                            throw new Error('ui-codemirror cannot use an object or an array as a model');
+                        }
+                        return value;
+                    });
+
+                    // Override the ngModelController $render method, which is what gets called when the model is updated.
+                    // This takes care of the synchronizing the codeMirror element with the underlying model, in the case that it is changed by something else.
+                    ngModel.$render = function() {
+                        codeMirror.setValue(ngModel.$viewValue);
+                    };
+
+                };
+
+                $timeout(deferCodeMirror);
+
+            }
+        };
+}]);
+
+function DevCtrl( $scope, $http ) {
+    var templateHtml = "<html><body>\n"
+        + " <button id='btn'>Hello!</button>\n"
+        + " <hr/>\n"
+        + "\n"
+        + "\n"
+        + "\n"
+        + "\n"
+        + "\n"
+        + "\n"
+        + "\n"
+        + "\n"
+        + "\n"
+        + "\n"
+        + "\n"
+        + "\n"
+        + "\n"
+        + "\n"
+        + "\n"
+        + "\n"
+        + "\n"
+        + "\n"
+        + "\n"
+        + "\n"
+        + " <script src=\"/bck2brwsr.js\"></script>\n"
+        + " <script type=\"text/javascript\">\n"
+        + "   function ldCls(res) {\n"
+        + "     var request = new XMLHttpRequest();\n"
+        + "     request.open('GET', '/classes/' + res, false);\n"
+        + "     request.send();\n"
+        + "     var arr = eval('(' + request.responseText + ')');\n"
+        + "     return arr;\n"
+        + "   }\n"
+        + "   var vm = new bck2brwsr(ldCls);\n"
+        + "   vm.loadClass('bck2brwsr.demo.Index');\n"
+        + " </script>\n"
+        + "</body></html>\n";
+    var templateJava = "package bck2brwsr.demo;\n"
+        + "import org.apidesign.bck2brwsr.htmlpage.api.*;\n"
+        + "import static org.apidesign.bck2brwsr.htmlpage.api.OnEvent.*;\n"
+        + "@Page(xhtml=\"index.html\", className=\"Index\")\n"
+        + "class YourFirstHTML5PageInRealLanguage {\n"
+        + "   @On(event=CLICK, id=\"btn\") static void clcs() {\n"
+        + "     Element.alert(\"Hello World!\");\n"
+        + "     Index.BTN.setDisabled(true);\n"
+        + "   }\n"
+        + "}\n";
+
+    
+    $scope.makeMarker = function( editor, line ) {
+        var marker = document.createElement("div");
+        marker.innerHTML = " ";
+        marker.className = "issue";
+        
+        var info = editor.lineInfo(line);
+        editor.setGutterMarker(line, "issues", info.markers ? null : marker);
+        
+        return marker;
+    };
+    
+    
+    // Returns a function, that, as long as it continues to be invoked, will not
+    // be triggered. The function will be called after it stops being called for
+    // N milliseconds. If `immediate` is passed, trigger the function on the
+    // leading edge, instead of the trailing.
+    $scope.debounce = function(func, wait, immediate) {
+      var timeout, result;
+      return function() {
+        var context = this, args = arguments;
+        var later = function() {
+          timeout = null;
+          if (!immediate) result = func.apply(context, args);
+        };
+        var callNow = immediate && !timeout;
+        clearTimeout(timeout);
+        timeout = setTimeout(later, wait);
+        if (callNow) result = func.apply(context, args);
+        return result;
+      };
+    };
+    
+    $scope.reload = function() {
+        $scope.errors = null;
+        var frame = document.getElementById("result");        
+        frame.src = "result.html";
+        frame.contentDocument.location.reload(true);
+        frame.contentWindow.location.reload();
+        document.getElementById("editorJava").codeMirror.clearGutter("issues");   
+    };
+    
+    $scope.fail = function( data ) {
+        $scope.errors = eval( data );
+        var editor = document.getElementById("editorJava").codeMirror;   
+        editor.clearGutter( "issues" );
+        
+        for( var i = 0; i < $scope.errors.length; i ++ ) {
+            $scope.makeMarker( editor, $scope.errors[i].line - 1 );
+        }
+        
+    };
+    
+    $scope.post = function() {
+        return $http({url: ".",
+            method: "POST",
+            //headers: this.headers,
+            data: { html : $scope.html, java : $scope.java} 
+        }).success( $scope.reload ).error( $scope.fail );
+    };
+    
+    $scope.errorClass = function( kind ) {
+        switch( kind ) {
+            case "ERROR" :
+                return "error";
+            default :         
+                return "warning";   
+        }
+    };
+    
+    $scope.gotoError = function( line, col ) {
+        var editor = document.getElementById("editorJava").codeMirror;   
+        editor.setCursor({ line: line - 1, ch : col - 1 });
+        editor.focus();
+    };
+    
+    $scope.tab = "html";
+    $scope.html= templateHtml;  
+    $scope.java = templateJava;  
+    
+    $scope.$watch( "html", $scope.debounce( $scope.post, 2000 ) );
+    $scope.$watch( "java", $scope.debounce( $scope.post, 2000 ) );
+    $scope.post();
+    
+}
diff -r 1adce93fea0f -r 08ffdc3938e7 dew/src/main/resources/org/apidesign/bck2brwsr/dew/js/codemirror/codemirror.css
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/dew/src/main/resources/org/apidesign/bck2brwsr/dew/js/codemirror/codemirror.css	Wed Jan 23 13:18:46 2013 +0100
@@ -0,0 +1,239 @@
+/* BASICS */
+
+.CodeMirror {
+  /* Set height, width, borders, and global font properties here */
+  font-family: monospace;
+  height: 300px;
+}
+.CodeMirror-scroll {
+  /* Set scrolling behaviour here */
+  overflow: auto;
+}
+
+/* PADDING */
+
+.CodeMirror-lines {
+  padding: 4px 0; /* Vertical padding around content */
+}
+.CodeMirror pre {
+  padding: 0 4px; /* Horizontal padding of content */
+}
+
+.CodeMirror-scrollbar-filler {
+  background-color: white; /* The little square between H and V scrollbars */
+}
+
+/* GUTTER */
+
+.CodeMirror-gutters {
+  border-right: 1px solid #ddd;
+  background-color: #f7f7f7;
+}
+.CodeMirror-linenumbers {}
+.CodeMirror-linenumber {
+  padding: 0 3px 0 5px;
+  min-width: 20px;
+  text-align: right;
+  color: #999;
+}
+
+/* CURSOR */
+
+.CodeMirror pre.CodeMirror-cursor {
+  border-left: 1px solid black;
+}
+/* Shown when moving in bi-directional text */
+.CodeMirror pre.CodeMirror-secondarycursor {
+  border-left: 1px solid silver;
+}
+.cm-keymap-fat-cursor pre.CodeMirror-cursor {
+  width: auto;
+  border: 0;
+  background: transparent;
+  background: rgba(0, 200, 0, .4);
+  filter: progid:DXImageTransform.Microsoft.gradient(startColorstr=#6600c800, endColorstr=#4c00c800);
+}
+/* Kludge to turn off filter in ie9+, which also accepts rgba */
+.cm-keymap-fat-cursor pre.CodeMirror-cursor:not(#nonsense_id) {
+  filter: progid:DXImageTransform.Microsoft.gradient(enabled=false);
+}
+/* Can style cursor different in overwrite (non-insert) mode */
+.CodeMirror pre.CodeMirror-cursor.CodeMirror-overwrite {}
+
+/* DEFAULT THEME */
+
+.cm-s-default .cm-keyword {color: #708;}
+.cm-s-default .cm-atom {color: #219;}
+.cm-s-default .cm-number {color: #164;}
+.cm-s-default .cm-def {color: #00f;}
+.cm-s-default .cm-variable {color: black;}
+.cm-s-default .cm-variable-2 {color: #05a;}
+.cm-s-default .cm-variable-3 {color: #085;}
+.cm-s-default .cm-property {color: black;}
+.cm-s-default .cm-operator {color: black;}
+.cm-s-default .cm-comment {color: #a50;}
+.cm-s-default .cm-string {color: #a11;}
+.cm-s-default .cm-string-2 {color: #f50;}
+.cm-s-default .cm-meta {color: #555;}
+.cm-s-default .cm-error {color: #f00;}
+.cm-s-default .cm-qualifier {color: #555;}
+.cm-s-default .cm-builtin {color: #30a;}
+.cm-s-default .cm-bracket {color: #997;}
+.cm-s-default .cm-tag {color: #170;}
+.cm-s-default .cm-attribute {color: #00c;}
+.cm-s-default .cm-header {color: blue;}
+.cm-s-default .cm-quote {color: #090;}
+.cm-s-default .cm-hr {color: #999;}
+.cm-s-default .cm-link {color: #00c;}
+
+.cm-negative {color: #d44;}
+.cm-positive {color: #292;}
+.cm-header, .cm-strong {font-weight: bold;}
+.cm-em {font-style: italic;}
+.cm-emstrong {font-style: italic; font-weight: bold;}
+.cm-link {text-decoration: underline;}
+
+.cm-invalidchar {color: #f00;}
+
+div.CodeMirror span.CodeMirror-matchingbracket {color: #0f0;}
+div.CodeMirror span.CodeMirror-nonmatchingbracket {color: #f22;}
+
+/* STOP */
+
+/* The rest of this file contains styles related to the mechanics of
+   the editor. You probably shouldn't touch them. */
+
+.CodeMirror {
+  line-height: 1;
+  position: relative;
+  overflow: hidden;
+}
+
+.CodeMirror-scroll {
+  /* 30px is the magic margin used to hide the element's real scrollbars */
+  /* See overflow: hidden in .CodeMirror, and the paddings in .CodeMirror-sizer */
+  margin-bottom: -30px; margin-right: -30px;
+  padding-bottom: 30px; padding-right: 30px;
+  height: 100%;
+  outline: none; /* Prevent dragging from highlighting the element */
+  position: relative;
+}
+.CodeMirror-sizer {
+  position: relative;
+}
+
+/* The fake, visible scrollbars. Used to force redraw during scrolling
+   before actuall scrolling happens, thus preventing shaking and
+   flickering artifacts. */
+.CodeMirror-vscrollbar, .CodeMirror-hscrollbar, .CodeMirror-scrollbar-filler {
+  position: absolute;
+  z-index: 6;
+  display: none;
+}
+.CodeMirror-vscrollbar {
+  right: 0; top: 0;
+  overflow-x: hidden;
+  overflow-y: scroll;
+}
+.CodeMirror-hscrollbar {
+  bottom: 0; left: 0;
+  overflow-y: hidden;
+  overflow-x: scroll;
+}
+.CodeMirror-scrollbar-filler {
+  right: 0; bottom: 0;
+  z-index: 6;
+}
+
+.CodeMirror-gutters {
+  position: absolute; left: 0; top: 0;
+  height: 100%;
+  z-index: 3;
+}
+.CodeMirror-gutter {
+  height: 100%;
+  display: inline-block;
+  /* Hack to make IE7 behave */
+  *zoom:1;
+  *display:inline;
+}
+.CodeMirror-gutter-elt {
+  position: absolute;
+  cursor: default;
+  z-index: 4;
+}
+
+.CodeMirror-lines {
+  cursor: text;
+}
+.CodeMirror pre {
+  /* Reset some styles that the rest of the page might have set */
+  -moz-border-radius: 0; -webkit-border-radius: 0; -o-border-radius: 0; border-radius: 0;
+  border-width: 0;
+  background: transparent;
+  font-family: inherit;
+  font-size: inherit;
+  margin: 0;
+  white-space: pre;
+  word-wrap: normal;
+  line-height: inherit;
+  color: inherit;
+  z-index: 2;
+  position: relative;
+  overflow: visible;
+}
+.CodeMirror-wrap pre {
+  word-wrap: break-word;
+  white-space: pre-wrap;
+  word-break: normal;
+}
+.CodeMirror-linebackground {
+  position: absolute;
+  left: 0; right: 0; top: 0; bottom: 0;
+  z-index: 0;
+}
+
+.CodeMirror-linewidget {
+  position: relative;
+  z-index: 2;
+}
+
+.CodeMirror-wrap .CodeMirror-scroll {
+  overflow-x: hidden;
+}
+
+.CodeMirror-measure {
+  position: absolute;
+  width: 100%; height: 0px;
+  overflow: hidden;
+  visibility: hidden;
+}
+.CodeMirror-measure pre { position: static; }
+
+.CodeMirror pre.CodeMirror-cursor {
+  position: absolute;
+  visibility: hidden;
+  border-right: none;
+  width: 0;
+}
+.CodeMirror-focused pre.CodeMirror-cursor {
+  visibility: visible;
+}
+
+.CodeMirror-selected { background: #d9d9d9; }
+.CodeMirror-focused .CodeMirror-selected { background: #d7d4f0; }
+
+.CodeMirror-searching {
+  background: #ffa;
+  background: rgba(255, 255, 0, .4);
+}
+
+/* IE7 hack to prevent it from returning funny offsetTops on the spans */
+.CodeMirror span { *vertical-align: text-bottom; }
+
+@media print {
+  /* Hide the cursor when printing */
+  .CodeMirror pre.CodeMirror-cursor {
+    visibility: hidden;
+  }
+}
diff -r 1adce93fea0f -r 08ffdc3938e7 dew/src/main/resources/org/apidesign/bck2brwsr/dew/js/codemirror/codemirror.js
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/dew/src/main/resources/org/apidesign/bck2brwsr/dew/js/codemirror/codemirror.js	Wed Jan 23 13:18:46 2013 +0100
@@ -0,0 +1,4553 @@
+// CodeMirror version 3.0
+//
+// CodeMirror is the only global var we claim
+window.CodeMirror = (function() {
+  "use strict";
+
+  // BROWSER SNIFFING
+
+  // Crude, but necessary to handle a number of hard-to-feature-detect
+  // bugs and behavior differences.
+  var gecko = /gecko\/\d/i.test(navigator.userAgent);
+  var ie = /MSIE \d/.test(navigator.userAgent);
+  var ie_lt8 = /MSIE [1-7]\b/.test(navigator.userAgent);
+  var ie_lt9 = /MSIE [1-8]\b/.test(navigator.userAgent);
+  var webkit = /WebKit\//.test(navigator.userAgent);
+  var qtwebkit = webkit && /Qt\/\d+\.\d+/.test(navigator.userAgent);
+  var chrome = /Chrome\//.test(navigator.userAgent);
+  var opera = /Opera\//.test(navigator.userAgent);
+  var safari = /Apple Computer/.test(navigator.vendor);
+  var khtml = /KHTML\//.test(navigator.userAgent);
+  var mac_geLion = /Mac OS X 1\d\D([7-9]|\d\d)\D/.test(navigator.userAgent);
+  var mac_geMountainLion = /Mac OS X 1\d\D([8-9]|\d\d)\D/.test(navigator.userAgent);
+  var phantom = /PhantomJS/.test(navigator.userAgent);
+
+  var ios = /AppleWebKit/.test(navigator.userAgent) && /Mobile\/\w+/.test(navigator.userAgent);
+  // This is woefully incomplete. Suggestions for alternative methods welcome.
+  var mobile = ios || /Android|webOS|BlackBerry|Opera Mini|IEMobile/i.test(navigator.userAgent);
+  var mac = ios || /Mac/.test(navigator.platform);
+
+  // Optimize some code when these features are not used
+  var sawReadOnlySpans = false, sawCollapsedSpans = false;
+
+  // CONSTRUCTOR
+
+  function CodeMirror(place, options) {
+    if (!(this instanceof CodeMirror)) return new CodeMirror(place, options);
+    
+    this.options = options = options || {};
+    // Determine effective options based on given values and defaults.
+    for (var opt in defaults) if (!options.hasOwnProperty(opt) && defaults.hasOwnProperty(opt))
+      options[opt] = defaults[opt];
+    setGuttersForLineNumbers(options);
+
+    var display = this.display = makeDisplay(place);
+    display.wrapper.CodeMirror = this;
+    updateGutters(this);
+    if (options.autofocus && !mobile) focusInput(this);
+
+    this.view = makeView(new BranchChunk([new LeafChunk([makeLine("", null, textHeight(display))])]));
+    this.nextOpId = 0;
+    loadMode(this);
+    themeChanged(this);
+    if (options.lineWrapping)
+      this.display.wrapper.className += " CodeMirror-wrap";
+
+    // Initialize the content.
+    this.setValue(options.value || "");
+    // Override magic textarea content restore that IE sometimes does
+    // on our hidden textarea on reload
+    if (ie) setTimeout(bind(resetInput, this, true), 20);
+    this.view.history = makeHistory();
+
+    registerEventHandlers(this);
+    // IE throws unspecified error in certain cases, when
+    // trying to access activeElement before onload
+    var hasFocus; try { hasFocus = (document.activeElement == display.input); } catch(e) { }
+    if (hasFocus || (options.autofocus && !mobile)) setTimeout(bind(onFocus, this), 20);
+    else onBlur(this);
+
+    operation(this, function() {
+      for (var opt in optionHandlers)
+        if (optionHandlers.propertyIsEnumerable(opt))
+          optionHandlers[opt](this, options[opt], Init);
+      for (var i = 0; i < initHooks.length; ++i) initHooks[i](this);
+    })();
+  }
+
+  // DISPLAY CONSTRUCTOR
+
+  function makeDisplay(place) {
+    var d = {};
+    var input = d.input = elt("textarea", null, null, "position: absolute; padding: 0; width: 1px; height: 1em; outline: none;");
+    input.setAttribute("wrap", "off"); input.setAttribute("autocorrect", "off"); input.setAttribute("autocapitalize", "off");
+    // Wraps and hides input textarea
+    d.inputDiv = elt("div", [input], null, "overflow: hidden; position: relative; width: 3px; height: 0px;");
+    // The actual fake scrollbars.
+    d.scrollbarH = elt("div", [elt("div", null, null, "height: 1px")], "CodeMirror-hscrollbar");
+    d.scrollbarV = elt("div", [elt("div", null, null, "width: 1px")], "CodeMirror-vscrollbar");
+    d.scrollbarFiller = elt("div", null, "CodeMirror-scrollbar-filler");
+    // DIVs containing the selection and the actual code
+    d.lineDiv = elt("div");
+    d.selectionDiv = elt("div", null, null, "position: relative; z-index: 1");
+    // Blinky cursor, and element used to ensure cursor fits at the end of a line
+    d.cursor = elt("pre", "\u00a0", "CodeMirror-cursor");
+    // Secondary cursor, shown when on a 'jump' in bi-directional text
+    d.otherCursor = elt("pre", "\u00a0", "CodeMirror-cursor CodeMirror-secondarycursor");
+    // Used to measure text size
+    d.measure = elt("div", null, "CodeMirror-measure");
+    // Wraps everything that needs to exist inside the vertically-padded coordinate system
+    d.lineSpace = elt("div", [d.measure, d.selectionDiv, d.lineDiv, d.cursor, d.otherCursor],
+                         null, "position: relative; outline: none");
+    // Moved around its parent to cover visible view
+    d.mover = elt("div", [elt("div", [d.lineSpace], "CodeMirror-lines")], null, "position: relative");
+    // Set to the height of the text, causes scrolling
+    d.sizer = elt("div", [d.mover], "CodeMirror-sizer");
+    // D is needed because behavior of elts with overflow: auto and padding is inconsistent across browsers
+    d.heightForcer = elt("div", "\u00a0", null, "position: absolute; height: " + scrollerCutOff + "px");
+    // Will contain the gutters, if any
+    d.gutters = elt("div", null, "CodeMirror-gutters");
+    d.lineGutter = null;
+    // Helper element to properly size the gutter backgrounds
+    var scrollerInner = elt("div", [d.sizer, d.heightForcer, d.gutters], null, "position: relative; min-height: 100%");
+    // Provides scrolling
+    d.scroller = elt("div", [scrollerInner], "CodeMirror-scroll");
+    d.scroller.setAttribute("tabIndex", "-1");
+    // The element in which the editor lives.
+    d.wrapper = elt("div", [d.inputDiv, d.scrollbarH, d.scrollbarV,
+                            d.scrollbarFiller, d.scroller], "CodeMirror");
+    // Work around IE7 z-index bug
+    if (ie_lt8) { d.gutters.style.zIndex = -1; d.scroller.style.paddingRight = 0; }
+    if (place.appendChild) place.appendChild(d.wrapper); else place(d.wrapper);
+
+    // Needed to hide big blue blinking cursor on Mobile Safari
+    if (ios) input.style.width = "0px";
+    if (!webkit) d.scroller.draggable = true;
+    // Needed to handle Tab key in KHTML
+    if (khtml) { d.inputDiv.style.height = "1px"; d.inputDiv.style.position = "absolute"; }
+    // Need to set a minimum width to see the scrollbar on IE7 (but must not set it on IE8).
+    else if (ie_lt8) d.scrollbarH.style.minWidth = d.scrollbarV.style.minWidth = "18px";
+
+    // Current visible range (may be bigger than the view window).
+    d.viewOffset = d.showingFrom = d.showingTo = d.lastSizeC = 0;
+
+    // Used to only resize the line number gutter when necessary (when
+    // the amount of lines crosses a boundary that makes its width change)
+    d.lineNumWidth = d.lineNumInnerWidth = d.lineNumChars = null;
+    // See readInput and resetInput
+    d.prevInput = "";
+    // Set to true when a non-horizontal-scrolling widget is added. As
+    // an optimization, widget aligning is skipped when d is false.
+    d.alignWidgets = false;
+    // Flag that indicates whether we currently expect input to appear
+    // (after some event like 'keypress' or 'input') and are polling
+    // intensively.
+    d.pollingFast = false;
+    // Self-resetting timeout for the poller
+    d.poll = new Delayed();
+    // True when a drag from the editor is active
+    d.draggingText = false;
+
+    d.cachedCharWidth = d.cachedTextHeight = null;
+    d.measureLineCache = [];
+    d.measureLineCachePos = 0;
+
+    // Tracks when resetInput has punted to just putting a short
+    // string instead of the (large) selection.
+    d.inaccurateSelection = false;
+
+    // Used to adjust overwrite behaviour when a paste has been
+    // detected
+    d.pasteIncoming = false;
+
+    return d;
+  }
+
+  // VIEW CONSTRUCTOR
+
+  function makeView(doc) {
+    var selPos = {line: 0, ch: 0};
+    return {
+      doc: doc,
+      // frontier is the point up to which the content has been parsed,
+      frontier: 0, highlight: new Delayed(),
+      sel: {from: selPos, to: selPos, head: selPos, anchor: selPos, shift: false, extend: false},
+      scrollTop: 0, scrollLeft: 0,
+      overwrite: false, focused: false,
+      // Tracks the maximum line length so that
+      // the horizontal scrollbar can be kept
+      // static when scrolling.
+      maxLine: getLine(doc, 0),
+      maxLineLength: 0,
+      maxLineChanged: false,
+      suppressEdits: false,
+      goalColumn: null,
+      cantEdit: false,
+      keyMaps: []
+    };
+  }
+
+  // STATE UPDATES
+
+  // Used to get the editor into a consistent state again when options change.
+
+  function loadMode(cm) {
+    var doc = cm.view.doc;
+    cm.view.mode = CodeMirror.getMode(cm.options, cm.options.mode);
+    doc.iter(0, doc.size, function(line) { line.stateAfter = null; });
+    cm.view.frontier = 0;
+    startWorker(cm, 100);
+  }
+
+  function wrappingChanged(cm) {
+    var doc = cm.view.doc, th = textHeight(cm.display);
+    if (cm.options.lineWrapping) {
+      cm.display.wrapper.className += " CodeMirror-wrap";
+      var perLine = cm.display.scroller.clientWidth / charWidth(cm.display) - 3;
+      doc.iter(0, doc.size, function(line) {
+        if (line.height == 0) return;
+        var guess = Math.ceil(line.text.length / perLine) || 1;
+        if (guess != 1) updateLineHeight(line, guess * th);
+      });
+      cm.display.sizer.style.minWidth = "";
+    } else {
+      cm.display.wrapper.className = cm.display.wrapper.className.replace(" CodeMirror-wrap", "");
+      computeMaxLength(cm.view);
+      doc.iter(0, doc.size, function(line) {
+        if (line.height != 0) updateLineHeight(line, th);
+      });
+    }
+    regChange(cm, 0, doc.size);
+    clearCaches(cm);
+    setTimeout(function(){updateScrollbars(cm.display, cm.view.doc.height);}, 100);
+  }
+
+  function keyMapChanged(cm) {
+    var style = keyMap[cm.options.keyMap].style;
+    cm.display.wrapper.className = cm.display.wrapper.className.replace(/\s*cm-keymap-\S+/g, "") +
+      (style ? " cm-keymap-" + style : "");
+  }
+
+  function themeChanged(cm) {
+    cm.display.wrapper.className = cm.display.wrapper.className.replace(/\s*cm-s-\S+/g, "") +
+      cm.options.theme.replace(/(^|\s)\s*/g, " cm-s-");
+    clearCaches(cm);
+  }
+
+  function guttersChanged(cm) {
+    updateGutters(cm);
+    updateDisplay(cm, true);
+  }
+
+  function updateGutters(cm) {
+    var gutters = cm.display.gutters, specs = cm.options.gutters;
+    removeChildren(gutters);
+    for (var i = 0; i < specs.length; ++i) {
+      var gutterClass = specs[i];
+      var gElt = gutters.appendChild(elt("div", null, "CodeMirror-gutter " + gutterClass));
+      if (gutterClass == "CodeMirror-linenumbers") {
+        cm.display.lineGutter = gElt;
+        gElt.style.width = (cm.display.lineNumWidth || 1) + "px";
+      }
+    }
+    gutters.style.display = i ? "" : "none";
+  }
+
+  function lineLength(doc, line) {
+    if (line.height == 0) return 0;
+    var len = line.text.length, merged, cur = line;
+    while (merged = collapsedSpanAtStart(cur)) {
+      var found = merged.find();
+      cur = getLine(doc, found.from.line);
+      len += found.from.ch - found.to.ch;
+    }
+    cur = line;
+    while (merged = collapsedSpanAtEnd(cur)) {
+      var found = merged.find();
+      len -= cur.text.length - found.from.ch;
+      cur = getLine(doc, found.to.line);
+      len += cur.text.length - found.to.ch;
+    }
+    return len;
+  }
+
+  function computeMaxLength(view) {
+    view.maxLine = getLine(view.doc, 0);
+    view.maxLineLength = lineLength(view.doc, view.maxLine);
+    view.maxLineChanged = true;
+    view.doc.iter(1, view.doc.size, function(line) {
+      var len = lineLength(view.doc, line);
+      if (len > view.maxLineLength) {
+        view.maxLineLength = len;
+        view.maxLine = line;
+      }
+    });
+  }
+
+  // Make sure the gutters options contains the element
+  // "CodeMirror-linenumbers" when the lineNumbers option is true.
+  function setGuttersForLineNumbers(options) {
+    var found = false;
+    for (var i = 0; i < options.gutters.length; ++i) {
+      if (options.gutters[i] == "CodeMirror-linenumbers") {
+        if (options.lineNumbers) found = true;
+        else options.gutters.splice(i--, 1);
+      }
+    }
+    if (!found && options.lineNumbers)
+      options.gutters.push("CodeMirror-linenumbers");
+  }
+
+  // SCROLLBARS
+
+  // Re-synchronize the fake scrollbars with the actual size of the
+  // content. Optionally force a scrollTop.
+  function updateScrollbars(d /* display */, docHeight) {
+    var totalHeight = docHeight + 2 * paddingTop(d);
+    d.sizer.style.minHeight = d.heightForcer.style.top = totalHeight + "px";
+    var scrollHeight = Math.max(totalHeight, d.scroller.scrollHeight);
+    var needsH = d.scroller.scrollWidth > d.scroller.clientWidth;
+    var needsV = scrollHeight > d.scroller.clientHeight;
+    if (needsV) {
+      d.scrollbarV.style.display = "block";
+      d.scrollbarV.style.bottom = needsH ? scrollbarWidth(d.measure) + "px" : "0";
+      d.scrollbarV.firstChild.style.height = 
+        (scrollHeight - d.scroller.clientHeight + d.scrollbarV.clientHeight) + "px";
+    } else d.scrollbarV.style.display = "";
+    if (needsH) {
+      d.scrollbarH.style.display = "block";
+      d.scrollbarH.style.right = needsV ? scrollbarWidth(d.measure) + "px" : "0";
+      d.scrollbarH.firstChild.style.width =
+        (d.scroller.scrollWidth - d.scroller.clientWidth + d.scrollbarH.clientWidth) + "px";
+    } else d.scrollbarH.style.display = "";
+    if (needsH && needsV) {
+      d.scrollbarFiller.style.display = "block";
+      d.scrollbarFiller.style.height = d.scrollbarFiller.style.width = scrollbarWidth(d.measure) + "px";
+    } else d.scrollbarFiller.style.display = "";
+
+    if (mac_geLion && scrollbarWidth(d.measure) === 0)
+      d.scrollbarV.style.minWidth = d.scrollbarH.style.minHeight = mac_geMountainLion ? "18px" : "12px";
+  }
+
+  function visibleLines(display, doc, viewPort) {
+    var top = display.scroller.scrollTop, height = display.wrapper.clientHeight;
+    if (typeof viewPort == "number") top = viewPort;
+    else if (viewPort) {top = viewPort.top; height = viewPort.bottom - viewPort.top;}
+    top = Math.floor(top - paddingTop(display));
+    var bottom = Math.ceil(top + height);
+    return {from: lineAtHeight(doc, top), to: lineAtHeight(doc, bottom)};
+  }
+
+  // LINE NUMBERS
+
+  function alignHorizontally(cm) {
+    var display = cm.display;
+    if (!display.alignWidgets && !display.gutters.firstChild) return;
+    var comp = compensateForHScroll(display) - display.scroller.scrollLeft + cm.view.scrollLeft;
+    var gutterW = display.gutters.offsetWidth, l = comp + "px";
+    for (var n = display.lineDiv.firstChild; n; n = n.nextSibling) if (n.alignable) {
+      for (var i = 0, a = n.alignable; i < a.length; ++i) a[i].style.left = l;
+    }
+    display.gutters.style.left = (comp + gutterW) + "px";
+  }
+
+  function maybeUpdateLineNumberWidth(cm) {
+    if (!cm.options.lineNumbers) return false;
+    var doc = cm.view.doc, last = lineNumberFor(cm.options, doc.size - 1), display = cm.display;
+    if (last.length != display.lineNumChars) {
+      var test = display.measure.appendChild(elt("div", [elt("div", last)],
+                                                 "CodeMirror-linenumber CodeMirror-gutter-elt"));
+      var innerW = test.firstChild.offsetWidth, padding = test.offsetWidth - innerW;
+      display.lineGutter.style.width = "";
+      display.lineNumInnerWidth = Math.max(innerW, display.lineGutter.offsetWidth - padding);
+      display.lineNumWidth = display.lineNumInnerWidth + padding;
+      display.lineNumChars = display.lineNumInnerWidth ? last.length : -1;
+      display.lineGutter.style.width = display.lineNumWidth + "px";
+      return true;
+    }
+    return false;
+  }
+
+  function lineNumberFor(options, i) {
+    return String(options.lineNumberFormatter(i + options.firstLineNumber));
+  }
+  function compensateForHScroll(display) {
+    return display.scroller.getBoundingClientRect().left - display.sizer.getBoundingClientRect().left;
+  }
+
+  // DISPLAY DRAWING
+
+  function updateDisplay(cm, changes, viewPort) {
+    var oldFrom = cm.display.showingFrom, oldTo = cm.display.showingTo;
+    var updated = updateDisplayInner(cm, changes, viewPort);
+    if (updated) {
+      signalLater(cm, cm, "update", cm);
+      if (cm.display.showingFrom != oldFrom || cm.display.showingTo != oldTo)
+        signalLater(cm, cm, "viewportChange", cm, cm.display.showingFrom, cm.display.showingTo);
+    }
+    updateSelection(cm);
+    updateScrollbars(cm.display, cm.view.doc.height);
+
+    return updated;
+  }
+
+  // Uses a set of changes plus the current scroll position to
+  // determine which DOM updates have to be made, and makes the
+  // updates.
+  function updateDisplayInner(cm, changes, viewPort) {
+    var display = cm.display, doc = cm.view.doc;
+    if (!display.wrapper.clientWidth) {
+      display.showingFrom = display.showingTo = display.viewOffset = 0;
+      return;
+    }
+
+    // Compute the new visible window
+    // If scrollTop is specified, use that to determine which lines
+    // to render instead of the current scrollbar position.
+    var visible = visibleLines(display, doc, viewPort);
+    // Bail out if the visible area is already rendered and nothing changed.
+    if (changes !== true && changes.length == 0 &&
+        visible.from > display.showingFrom && visible.to < display.showingTo)
+      return;
+
+    if (changes && maybeUpdateLineNumberWidth(cm))
+      changes = true;
+    display.sizer.style.marginLeft = display.scrollbarH.style.left = display.gutters.offsetWidth + "px";
+
+    // When merged lines are present, the line that needs to be
+    // redrawn might not be the one that was changed.
+    if (changes !== true && sawCollapsedSpans)
+      for (var i = 0; i < changes.length; ++i) {
+        var ch = changes[i], merged;
+        while (merged = collapsedSpanAtStart(getLine(doc, ch.from))) {
+          var from = merged.find().from.line;
+          if (ch.diff) ch.diff -= ch.from - from;
+          ch.from = from;
+        }
+      }
+
+    // Used to determine which lines need their line numbers updated
+    var positionsChangedFrom = changes === true ? 0 : Infinity;
+    if (cm.options.lineNumbers && changes && changes !== true)
+      for (var i = 0; i < changes.length; ++i)
+        if (changes[i].diff) { positionsChangedFrom = changes[i].from; break; }
+
+    var from = Math.max(visible.from - cm.options.viewportMargin, 0);
+    var to = Math.min(doc.size, visible.to + cm.options.viewportMargin);
+    if (display.showingFrom < from && from - display.showingFrom < 20) from = display.showingFrom;
+    if (display.showingTo > to && display.showingTo - to < 20) to = Math.min(doc.size, display.showingTo);
+    if (sawCollapsedSpans) {
+      from = lineNo(visualLine(doc, getLine(doc, from)));
+      while (to < doc.size && lineIsHidden(getLine(doc, to))) ++to;
+    }
+
+    // Create a range of theoretically intact lines, and punch holes
+    // in that using the change info.
+    var intact = changes === true ? [] :
+      computeIntact([{from: display.showingFrom, to: display.showingTo}], changes);
+    // Clip off the parts that won't be visible
+    var intactLines = 0;
+    for (var i = 0; i < intact.length; ++i) {
+      var range = intact[i];
+      if (range.from < from) range.from = from;
+      if (range.to > to) range.to = to;
+      if (range.from >= range.to) intact.splice(i--, 1);
+      else intactLines += range.to - range.from;
+    }
+    if (intactLines == to - from && from == display.showingFrom && to == display.showingTo)
+      return;
+    intact.sort(function(a, b) {return a.from - b.from;});
+
+    if (intactLines < (to - from) * .7) display.lineDiv.style.display = "none";
+    patchDisplay(cm, from, to, intact, positionsChangedFrom);
+    display.lineDiv.style.display = "";
+
+    var different = from != display.showingFrom || to != display.showingTo ||
+      display.lastSizeC != display.wrapper.clientHeight;
+    // This is just a bogus formula that detects when the editor is
+    // resized or the font size changes.
+    if (different) display.lastSizeC = display.wrapper.clientHeight;
+    display.showingFrom = from; display.showingTo = to;
+    startWorker(cm, 100);
+
+    var prevBottom = display.lineDiv.offsetTop;
+    for (var node = display.lineDiv.firstChild, height; node; node = node.nextSibling) if (node.lineObj) {
+      if (ie_lt8) {
+        var bot = node.offsetTop + node.offsetHeight;
+        height = bot - prevBottom;
+        prevBottom = bot;
+      } else {
+        var box = node.getBoundingClientRect();
+        height = box.bottom - box.top;
+      }
+      var diff = node.lineObj.height - height;
+      if (height < 2) height = textHeight(display);
+      if (diff > .001 || diff < -.001)
+        updateLineHeight(node.lineObj, height);
+    }
+    display.viewOffset = heightAtLine(cm, getLine(doc, from));
+    // Position the mover div to align with the current virtual scroll position
+    display.mover.style.top = display.viewOffset + "px";
+    return true;
+  }
+
+  function computeIntact(intact, changes) {
+    for (var i = 0, l = changes.length || 0; i < l; ++i) {
+      var change = changes[i], intact2 = [], diff = change.diff || 0;
+      for (var j = 0, l2 = intact.length; j < l2; ++j) {
+        var range = intact[j];
+        if (change.to <= range.from && change.diff) {
+          intact2.push({from: range.from + diff, to: range.to + diff});
+        } else if (change.to <= range.from || change.from >= range.to) {
+          intact2.push(range);
+        } else {
+          if (change.from > range.from)
+            intact2.push({from: range.from, to: change.from});
+          if (change.to < range.to)
+            intact2.push({from: change.to + diff, to: range.to + diff});
+        }
+      }
+      intact = intact2;
+    }
+    return intact;
+  }
+
+  function getDimensions(cm) {
+    var d = cm.display, left = {}, width = {};
+    for (var n = d.gutters.firstChild, i = 0; n; n = n.nextSibling, ++i) {
+      left[cm.options.gutters[i]] = n.offsetLeft;
+      width[cm.options.gutters[i]] = n.offsetWidth;
+    }
+    return {fixedPos: compensateForHScroll(d),
+            gutterTotalWidth: d.gutters.offsetWidth,
+            gutterLeft: left,
+            gutterWidth: width,
+            wrapperWidth: d.wrapper.clientWidth};
+  }
+
+  function patchDisplay(cm, from, to, intact, updateNumbersFrom) {
+    var dims = getDimensions(cm);
+    var display = cm.display, lineNumbers = cm.options.lineNumbers;
+    // IE does bad things to nodes when .innerHTML = "" is used on a parent
+    // we still need widgets and markers intact to add back to the new content later
+    if (!intact.length && !ie && (!webkit || !cm.display.currentWheelTarget))
+      removeChildren(display.lineDiv);
+    var container = display.lineDiv, cur = container.firstChild;
+
+    function rm(node) {
+      var next = node.nextSibling;
+      if (webkit && mac && cm.display.currentWheelTarget == node) {
+        node.style.display = "none";
+        node.lineObj = null;
+      } else {
+        container.removeChild(node);
+      }
+      return next;
+    }
+
+    var nextIntact = intact.shift(), lineNo = from;
+    cm.view.doc.iter(from, to, function(line) {
+      if (nextIntact && nextIntact.to == lineNo) nextIntact = intact.shift();
+      if (lineIsHidden(line)) {
+        if (line.height != 0) updateLineHeight(line, 0);
+      } else if (nextIntact && nextIntact.from <= lineNo && nextIntact.to > lineNo) {
+        // This line is intact. Skip to the actual node. Update its
+        // line number if needed.
+        while (cur.lineObj != line) cur = rm(cur);
+        if (lineNumbers && updateNumbersFrom <= lineNo && cur.lineNumber)
+          setTextContent(cur.lineNumber, lineNumberFor(cm.options, lineNo));
+        cur = cur.nextSibling;
+      } else {
+        // This line needs to be generated.
+        var lineNode = buildLineElement(cm, line, lineNo, dims);
+        container.insertBefore(lineNode, cur);
+        lineNode.lineObj = line;
+      }
+      ++lineNo;
+    });
+    while (cur) cur = rm(cur);
+  }
+
+  function buildLineElement(cm, line, lineNo, dims) {
+    var lineElement = lineContent(cm, line);
+    var markers = line.gutterMarkers, display = cm.display;
+
+    if (!cm.options.lineNumbers && !markers && !line.bgClass && !line.wrapClass &&
+        (!line.widgets || !line.widgets.length)) return lineElement;
+
+    // Lines with gutter elements or a background class need
+    // to be wrapped again, and have the extra elements added
+    // to the wrapper div
+
+    var wrap = elt("div", null, line.wrapClass, "position: relative");
+    if (cm.options.lineNumbers || markers) {
+      var gutterWrap = wrap.appendChild(elt("div", null, null, "position: absolute; left: " +
+                                            dims.fixedPos + "px"));
+      wrap.alignable = [gutterWrap];
+      if (cm.options.lineNumbers && (!markers || !markers["CodeMirror-linenumbers"]))
+        wrap.lineNumber = gutterWrap.appendChild(
+          elt("div", lineNumberFor(cm.options, lineNo),
+              "CodeMirror-linenumber CodeMirror-gutter-elt",
+              "left: " + dims.gutterLeft["CodeMirror-linenumbers"] + "px; width: "
+              + display.lineNumInnerWidth + "px"));
+      if (markers)
+        for (var k = 0; k < cm.options.gutters.length; ++k) {
+          var id = cm.options.gutters[k], found = markers.hasOwnProperty(id) && markers[id];
+          if (found)
+            gutterWrap.appendChild(elt("div", [found], "CodeMirror-gutter-elt", "left: " +
+                                       dims.gutterLeft[id] + "px; width: " + dims.gutterWidth[id] + "px"));
+        }
+    }
+    // Kludge to make sure the styled element lies behind the selection (by z-index)
+    if (line.bgClass)
+      wrap.appendChild(elt("div", "\u00a0", line.bgClass + " CodeMirror-linebackground"));
+    wrap.appendChild(lineElement);
+    if (line.widgets)
+      for (var i = 0, ws = line.widgets; i < ws.length; ++i) {
+        var widget = ws[i], node = elt("div", [widget.node], "CodeMirror-linewidget");
+        node.widget = widget;
+        if (widget.noHScroll) {
+          (wrap.alignable || (wrap.alignable = [])).push(node);
+          var width = dims.wrapperWidth;
+          node.style.left = dims.fixedPos + "px";
+          if (!widget.coverGutter) {
+            width -= dims.gutterTotalWidth;
+            node.style.paddingLeft = dims.gutterTotalWidth + "px";
+          }
+          node.style.width = width + "px";
+        }
+        if (widget.coverGutter) {
+          node.style.zIndex = 5;
+          node.style.position = "relative";
+          if (!widget.noHScroll) node.style.marginLeft = -dims.gutterTotalWidth + "px";
+        }
+        if (widget.above)
+          wrap.insertBefore(node, cm.options.lineNumbers && line.height != 0 ? gutterWrap : lineElement);
+        else
+          wrap.appendChild(node);
+      }
+
+    if (ie_lt8) wrap.style.zIndex = 2;
+    return wrap;
+  }
+
+  // SELECTION / CURSOR
+
+  function updateSelection(cm) {
+    var display = cm.display;
+    var collapsed = posEq(cm.view.sel.from, cm.view.sel.to);
+    if (collapsed || cm.options.showCursorWhenSelecting)
+      updateSelectionCursor(cm);
+    else
+      display.cursor.style.display = display.otherCursor.style.display = "none";
+    if (!collapsed)
+      updateSelectionRange(cm);
+    else
+      display.selectionDiv.style.display = "none";
+
+    // Move the hidden textarea near the cursor to prevent scrolling artifacts
+    var headPos = cursorCoords(cm, cm.view.sel.head, "div");
+    var wrapOff = display.wrapper.getBoundingClientRect(), lineOff = display.lineDiv.getBoundingClientRect();
+    display.inputDiv.style.top = Math.max(0, Math.min(display.wrapper.clientHeight - 10,
+                                                      headPos.top + lineOff.top - wrapOff.top)) + "px";
+    display.inputDiv.style.left = Math.max(0, Math.min(display.wrapper.clientWidth - 10,
+                                                       headPos.left + lineOff.left - wrapOff.left)) + "px";
+  }
+
+  // No selection, plain cursor
+  function updateSelectionCursor(cm) {
+    var display = cm.display, pos = cursorCoords(cm, cm.view.sel.head, "div");
+    display.cursor.style.left = pos.left + "px";
+    display.cursor.style.top = pos.top + "px";
+    display.cursor.style.height = Math.max(0, pos.bottom - pos.top) * cm.options.cursorHeight + "px";
+    display.cursor.style.display = "";
+
+    if (pos.other) {
+      display.otherCursor.style.display = "";
+      display.otherCursor.style.left = pos.other.left + "px";
+      display.otherCursor.style.top = pos.other.top + "px";
+      display.otherCursor.style.height = (pos.other.bottom - pos.other.top) * .85 + "px";
+    } else { display.otherCursor.style.display = "none"; }
+  }
+
+  // Highlight selection
+  function updateSelectionRange(cm) {
+    var display = cm.display, doc = cm.view.doc, sel = cm.view.sel;
+    var fragment = document.createDocumentFragment();
+    var clientWidth = display.lineSpace.offsetWidth, pl = paddingLeft(cm.display);
+
+    function add(left, top, width, bottom) {
+      if (top < 0) top = 0;
+      fragment.appendChild(elt("div", null, "CodeMirror-selected", "position: absolute; left: " + left +
+                               "px; top: " + top + "px; width: " + (width == null ? clientWidth - left : width) +
+                               "px; height: " + (bottom - top) + "px"));
+    }
+
+    function drawForLine(line, fromArg, toArg, retTop) {
+      var lineObj = getLine(doc, line);
+      var lineLen = lineObj.text.length, rVal = retTop ? Infinity : -Infinity;
+      function coords(ch) {
+        return charCoords(cm, {line: line, ch: ch}, "div", lineObj);
+      }
+
+      iterateBidiSections(getOrder(lineObj), fromArg || 0, toArg == null ? lineLen : toArg, function(from, to, dir) {
+        var leftPos = coords(dir == "rtl" ? to - 1 : from);
+        var rightPos = coords(dir == "rtl" ? from : to - 1);
+        var left = leftPos.left, right = rightPos.right;
+        if (rightPos.top - leftPos.top > 3) { // Different lines, draw top part
+          add(left, leftPos.top, null, leftPos.bottom);
+          left = pl;
+          if (leftPos.bottom < rightPos.top) add(left, leftPos.bottom, null, rightPos.top);
+        }
+        if (toArg == null && to == lineLen) right = clientWidth;
+        if (fromArg == null && from == 0) left = pl;
+        rVal = retTop ? Math.min(rightPos.top, rVal) : Math.max(rightPos.bottom, rVal);
+        if (left < pl + 1) left = pl;
+        add(left, rightPos.top, right - left, rightPos.bottom);
+      });
+      return rVal;
+    }
+
+    if (sel.from.line == sel.to.line) {
+      drawForLine(sel.from.line, sel.from.ch, sel.to.ch);
+    } else {
+      var fromObj = getLine(doc, sel.from.line);
+      var cur = fromObj, merged, path = [sel.from.line, sel.from.ch], singleLine;
+      while (merged = collapsedSpanAtEnd(cur)) {
+        var found = merged.find();
+        path.push(found.from.ch, found.to.line, found.to.ch);
+        if (found.to.line == sel.to.line) {
+          path.push(sel.to.ch);
+          singleLine = true;
+          break;
+        }
+        cur = getLine(doc, found.to.line);
+      }
+
+      // This is a single, merged line
+      if (singleLine) {
+        for (var i = 0; i < path.length; i += 3)
+          drawForLine(path[i], path[i+1], path[i+2]);
+      } else {
+        var middleTop, middleBot, toObj = getLine(doc, sel.to.line);
+        if (sel.from.ch)
+          // Draw the first line of selection.
+          middleTop = drawForLine(sel.from.line, sel.from.ch, null, false);
+        else
+          // Simply include it in the middle block.
+          middleTop = heightAtLine(cm, fromObj) - display.viewOffset;
+
+        if (!sel.to.ch)
+          middleBot = heightAtLine(cm, toObj) - display.viewOffset;
+        else
+          middleBot = drawForLine(sel.to.line, collapsedSpanAtStart(toObj) ? null : 0, sel.to.ch, true);
+
+        if (middleTop < middleBot) add(pl, middleTop, null, middleBot);
+      }
+    }
+
+    removeChildrenAndAdd(display.selectionDiv, fragment);
+    display.selectionDiv.style.display = "";
+  }
+
+  // Cursor-blinking
+  function restartBlink(cm) {
+    var display = cm.display;
+    clearInterval(display.blinker);
+    var on = true;
+    display.cursor.style.visibility = display.otherCursor.style.visibility = "";
+    display.blinker = setInterval(function() {
+      if (!display.cursor.offsetHeight) return;
+      display.cursor.style.visibility = display.otherCursor.style.visibility = (on = !on) ? "" : "hidden";
+    }, cm.options.cursorBlinkRate);
+  }
+
+  // HIGHLIGHT WORKER
+
+  function startWorker(cm, time) {
+    if (cm.view.frontier < cm.display.showingTo)
+      cm.view.highlight.set(time, bind(highlightWorker, cm));
+  }
+
+  function highlightWorker(cm) {
+    var view = cm.view, doc = view.doc;
+    if (view.frontier >= cm.display.showingTo) return;
+    var end = +new Date + cm.options.workTime;
+    var state = copyState(view.mode, getStateBefore(cm, view.frontier));
+    var changed = [], prevChange;
+    doc.iter(view.frontier, Math.min(doc.size, cm.display.showingTo + 500), function(line) {
+      if (view.frontier >= cm.display.showingFrom) { // Visible
+        if (highlightLine(cm, line, state) && view.frontier >= cm.display.showingFrom) {
+          if (prevChange && prevChange.end == view.frontier) prevChange.end++;
+          else changed.push(prevChange = {start: view.frontier, end: view.frontier + 1});
+        }
+        line.stateAfter = copyState(view.mode, state);
+      } else {
+        processLine(cm, line, state);
+        line.stateAfter = view.frontier % 5 == 0 ? copyState(view.mode, state) : null;
+      }
+      ++view.frontier;
+      if (+new Date > end) {
+        startWorker(cm, cm.options.workDelay);
+        return true;
+      }
+    });
+    if (changed.length)
+      operation(cm, function() {
+        for (var i = 0; i < changed.length; ++i)
+          regChange(this, changed[i].start, changed[i].end);
+      })();
+  }
+
+  // Finds the line to start with when starting a parse. Tries to
+  // find a line with a stateAfter, so that it can start with a
+  // valid state. If that fails, it returns the line with the
+  // smallest indentation, which tends to need the least context to
+  // parse correctly.
+  function findStartLine(cm, n) {
+    var minindent, minline, doc = cm.view.doc;
+    for (var search = n, lim = n - 100; search > lim; --search) {
+      if (search == 0) return 0;
+      var line = getLine(doc, search-1);
+      if (line.stateAfter) return search;
+      var indented = countColumn(line.text, null, cm.options.tabSize);
+      if (minline == null || minindent > indented) {
+        minline = search - 1;
+        minindent = indented;
+      }
+    }
+    return minline;
+  }
+
+  function getStateBefore(cm, n) {
+    var view = cm.view;
+    var pos = findStartLine(cm, n), state = pos && getLine(view.doc, pos-1).stateAfter;
+    if (!state) state = startState(view.mode);
+    else state = copyState(view.mode, state);
+    view.doc.iter(pos, n, function(line) {
+      processLine(cm, line, state);
+      var save = pos == n - 1 || pos % 5 == 0 || pos >= view.showingFrom && pos < view.showingTo;
+      line.stateAfter = save ? copyState(view.mode, state) : null;
+      ++pos;
+    });
+    return state;
+  }
+
+  // POSITION MEASUREMENT
+  
+  function paddingTop(display) {return display.lineSpace.offsetTop;}
+  function paddingLeft(display) {
+    var e = removeChildrenAndAdd(display.measure, elt("pre")).appendChild(elt("span", "x"));
+    return e.offsetLeft;
+  }
+
+  function measureChar(cm, line, ch, data) {
+    var data = data || measureLine(cm, line), dir = -1;
+    for (var pos = ch;; pos += dir) {
+      var r = data[pos];
+      if (r) break;
+      if (dir < 0 && pos == 0) dir = 1;
+    }
+    return {left: pos < ch ? r.right : r.left,
+            right: pos > ch ? r.left : r.right,
+            top: r.top, bottom: r.bottom};
+  }
+
+  function measureLine(cm, line) {
+    // First look in the cache
+    var display = cm.display, cache = cm.display.measureLineCache;
+    for (var i = 0; i < cache.length; ++i) {
+      var memo = cache[i];
+      if (memo.text == line.text && memo.markedSpans == line.markedSpans &&
+          display.scroller.clientWidth == memo.width)
+        return memo.measure;
+    }
+    
+    var measure = measureLineInner(cm, line);
+    // Store result in the cache
+    var memo = {text: line.text, width: display.scroller.clientWidth,
+                markedSpans: line.markedSpans, measure: measure};
+    if (cache.length == 16) cache[++display.measureLineCachePos % 16] = memo;
+    else cache.push(memo);
+    return measure;
+  }
+
+  function measureLineInner(cm, line) {
+    var display = cm.display, measure = emptyArray(line.text.length);
+    var pre = lineContent(cm, line, measure);
+
+    // IE does not cache element positions of inline elements between
+    // calls to getBoundingClientRect. This makes the loop below,
+    // which gathers the positions of all the characters on the line,
+    // do an amount of layout work quadratic to the number of
+    // characters. When line wrapping is off, we try to improve things
+    // by first subdividing the line into a bunch of inline blocks, so
+    // that IE can reuse most of the layout information from caches
+    // for those blocks. This does interfere with line wrapping, so it
+    // doesn't work when wrapping is on, but in that case the
+    // situation is slightly better, since IE does cache line-wrapping
+    // information and only recomputes per-line.
+    if (ie && !ie_lt8 && !cm.options.lineWrapping && pre.childNodes.length > 100) {
+      var fragment = document.createDocumentFragment();
+      var chunk = 10, n = pre.childNodes.length;
+      for (var i = 0, chunks = Math.ceil(n / chunk); i < chunks; ++i) {
+        var wrap = elt("div", null, null, "display: inline-block");
+        for (var j = 0; j < chunk && n; ++j) {
+          wrap.appendChild(pre.firstChild);
+          --n;
+        }
+        fragment.appendChild(wrap);
+      }
+      pre.appendChild(fragment);
+    }
+
+    removeChildrenAndAdd(display.measure, pre);
+
+    var outer = display.lineDiv.getBoundingClientRect();
+    var vranges = [], data = emptyArray(line.text.length), maxBot = pre.offsetHeight;
+    for (var i = 0, cur; i < measure.length; ++i) if (cur = measure[i]) {
+      var size = cur.getBoundingClientRect();
+      var top = Math.max(0, size.top - outer.top), bot = Math.min(size.bottom - outer.top, maxBot);
+      for (var j = 0; j < vranges.length; j += 2) {
+        var rtop = vranges[j], rbot = vranges[j+1];
+        if (rtop > bot || rbot < top) continue;
+        if (rtop <= top && rbot >= bot ||
+            top <= rtop && bot >= rbot ||
+            Math.min(bot, rbot) - Math.max(top, rtop) >= (bot - top) >> 1) {
+          vranges[j] = Math.min(top, rtop);
+          vranges[j+1] = Math.max(bot, rbot);
+          break;
+        }
+      }
+      if (j == vranges.length) vranges.push(top, bot);
+      data[i] = {left: size.left - outer.left, right: size.right - outer.left, top: j};
+    }
+    for (var i = 0, cur; i < data.length; ++i) if (cur = data[i]) {
+      var vr = cur.top;
+      cur.top = vranges[vr]; cur.bottom = vranges[vr+1];
+    }
+    return data;
+  }
+
+  function clearCaches(cm) {
+    cm.display.measureLineCache.length = cm.display.measureLineCachePos = 0;
+    cm.display.cachedCharWidth = cm.display.cachedTextHeight = null;
+    cm.view.maxLineChanged = true;
+  }
+
+  // Context is one of "line", "div" (display.lineDiv), "local"/null (editor), or "page"
+  function intoCoordSystem(cm, lineObj, rect, context) {
+    if (lineObj.widgets) for (var i = 0; i < lineObj.widgets.length; ++i) if (lineObj.widgets[i].above) {
+      var size = lineObj.widgets[i].node.offsetHeight;
+      rect.top += size; rect.bottom += size;
+    }
+    if (context == "line") return rect;
+    if (!context) context = "local";
+    var yOff = heightAtLine(cm, lineObj);
+    if (context != "local") yOff -= cm.display.viewOffset;
+    if (context == "page") {
+      var lOff = cm.display.lineSpace.getBoundingClientRect();
+      yOff += lOff.top + (window.pageYOffset || (document.documentElement || document.body).scrollTop);
+      var xOff = lOff.left + (window.pageXOffset || (document.documentElement || document.body).scrollLeft);
+      rect.left += xOff; rect.right += xOff;
+    }
+    rect.top += yOff; rect.bottom += yOff;
+    return rect;
+  }
+
+  function charCoords(cm, pos, context, lineObj) {
+    if (!lineObj) lineObj = getLine(cm.view.doc, pos.line);
+    return intoCoordSystem(cm, lineObj, measureChar(cm, lineObj, pos.ch), context);
+  }
+
+  function cursorCoords(cm, pos, context, lineObj, measurement) {
+    lineObj = lineObj || getLine(cm.view.doc, pos.line);
+    if (!measurement) measurement = measureLine(cm, lineObj);
+    function get(ch, right) {
+      var m = measureChar(cm, lineObj, ch, measurement);
+      if (right) m.left = m.right; else m.right = m.left;
+      return intoCoordSystem(cm, lineObj, m, context);
+    }
+    var order = getOrder(lineObj), ch = pos.ch;
+    if (!order) return get(ch);
+    var main, other, linedir = order[0].level;
+    for (var i = 0; i < order.length; ++i) {
+      var part = order[i], rtl = part.level % 2, nb, here;
+      if (part.from < ch && part.to > ch) return get(ch, rtl);
+      var left = rtl ? part.to : part.from, right = rtl ? part.from : part.to;
+      if (left == ch) {
+        // Opera and IE return bogus offsets and widths for edges
+        // where the direction flips, but only for the side with the
+        // lower level. So we try to use the side with the higher
+        // level.
+        if (i && part.level < (nb = order[i-1]).level) here = get(nb.level % 2 ? nb.from : nb.to - 1, true);
+        else here = get(rtl && part.from != part.to ? ch - 1 : ch);
+        if (rtl == linedir) main = here; else other = here;
+      } else if (right == ch) {
+        var nb = i < order.length - 1 && order[i+1];
+        if (!rtl && nb && nb.from == nb.to) continue;
+        if (nb && part.level < nb.level) here = get(nb.level % 2 ? nb.to - 1 : nb.from);
+        else here = get(rtl ? ch : ch - 1, true);
+        if (rtl == linedir) main = here; else other = here;
+      }
+    }
+    if (linedir && !ch) other = get(order[0].to - 1);
+    if (!main) return other;
+    if (other) main.other = other;
+    return main;
+  }
+
+  // Coords must be lineSpace-local
+  function coordsChar(cm, x, y) {
+    var doc = cm.view.doc;
+    y += cm.display.viewOffset;
+    if (y < 0) return {line: 0, ch: 0, outside: true};
+    var lineNo = lineAtHeight(doc, y);
+    if (lineNo >= doc.size) return {line: doc.size - 1, ch: getLine(doc, doc.size - 1).text.length};
+    if (x < 0) x = 0;
+
+    for (;;) {
+      var lineObj = getLine(doc, lineNo);
+      var found = coordsCharInner(cm, lineObj, lineNo, x, y);
+      var merged = collapsedSpanAtEnd(lineObj);
+      if (merged && found.ch == lineRight(lineObj))
+        lineNo = merged.find().to.line;
+      else
+        return found;
+    }
+  }
+
+  function coordsCharInner(cm, lineObj, lineNo, x, y) {
+    var innerOff = y - heightAtLine(cm, lineObj);
+    var wrongLine = false, cWidth = cm.display.wrapper.clientWidth;
+    var measurement = measureLine(cm, lineObj);
+
+    function getX(ch) {
+      var sp = cursorCoords(cm, {line: lineNo, ch: ch}, "line",
+                            lineObj, measurement);
+      wrongLine = true;
+      if (innerOff > sp.bottom) return Math.max(0, sp.left - cWidth);
+      else if (innerOff < sp.top) return sp.left + cWidth;
+      else wrongLine = false;
+      return sp.left;
+    }
+
+    var bidi = getOrder(lineObj), dist = lineObj.text.length;
+    var from = lineLeft(lineObj), to = lineRight(lineObj);
+    var fromX = paddingLeft(cm.display), toX = getX(to);
+
+    if (x > toX) return {line: lineNo, ch: to, outside: wrongLine};
+    // Do a binary search between these bounds.
+    for (;;) {
+      if (bidi ? to == from || to == moveVisually(lineObj, from, 1) : to - from <= 1) {
+        var after = x - fromX < toX - x, ch = after ? from : to;
+        while (isExtendingChar.test(lineObj.text.charAt(ch))) ++ch;
+        return {line: lineNo, ch: ch, after: after, outside: wrongLine};
+      }
+      var step = Math.ceil(dist / 2), middle = from + step;
+      if (bidi) {
+        middle = from;
+        for (var i = 0; i < step; ++i) middle = moveVisually(lineObj, middle, 1);
+      }
+      var middleX = getX(middle);
+      if (middleX > x) {to = middle; toX = middleX; if (wrongLine) toX += 1000; dist -= step;}
+      else {from = middle; fromX = middleX; dist = step;}
+    }
+  }
+
+  var measureText;
+  function textHeight(display) {
+    if (display.cachedTextHeight != null) return display.cachedTextHeight;
+    if (measureText == null) {
+      measureText = elt("pre");
+      // Measure a bunch of lines, for browsers that compute
+      // fractional heights.
+      for (var i = 0; i < 49; ++i) {
+        measureText.appendChild(document.createTextNode("x"));
+        measureText.appendChild(elt("br"));
+      }
+      measureText.appendChild(document.createTextNode("x"));
+    }
+    removeChildrenAndAdd(display.measure, measureText);
+    var height = measureText.offsetHeight / 50;
+    if (height > 3) display.cachedTextHeight = height;
+    removeChildren(display.measure);
+    return height || 1;
+  }
+
+  function charWidth(display) {
+    if (display.cachedCharWidth != null) return display.cachedCharWidth;
+    var anchor = elt("span", "x");
+    var pre = elt("pre", [anchor]);
+    removeChildrenAndAdd(display.measure, pre);
+    var width = anchor.offsetWidth;
+    if (width > 2) display.cachedCharWidth = width;
+    return width || 10;
+  }
+
+  // OPERATIONS
+
+  // Operations are used to wrap changes in such a way that each
+  // change won't have to update the cursor and display (which would
+  // be awkward, slow, and error-prone), but instead updates are
+  // batched and then all combined and executed at once.
+
+  function startOperation(cm) {
+    if (cm.curOp) ++cm.curOp.depth;
+    else cm.curOp = {
+      // Nested operations delay update until the outermost one
+      // finishes.
+      depth: 1,
+      // An array of ranges of lines that have to be updated. See
+      // updateDisplay.
+      changes: [],
+      delayedCallbacks: [],
+      updateInput: null,
+      userSelChange: null,
+      textChanged: null,
+      selectionChanged: false,
+      updateMaxLine: false,
+      id: ++cm.nextOpId
+    };
+  }
+
+  function endOperation(cm) {
+    var op = cm.curOp;
+    if (--op.depth) return;
+    cm.curOp = null;
+    var view = cm.view, display = cm.display;
+    if (op.updateMaxLine) computeMaxLength(view);
+    if (view.maxLineChanged && !cm.options.lineWrapping) {
+      var width = measureChar(cm, view.maxLine, view.maxLine.text.length).right;
+      display.sizer.style.minWidth = (width + 3 + scrollerCutOff) + "px";
+      view.maxLineChanged = false;
+    }
+    var newScrollPos, updated;
+    if (op.selectionChanged) {
+      var coords = cursorCoords(cm, view.sel.head);
+      newScrollPos = calculateScrollPos(cm, coords.left, coords.top, coords.left, coords.bottom);
+    }
+    if (op.changes.length || newScrollPos && newScrollPos.scrollTop != null)
+      updated = updateDisplay(cm, op.changes, newScrollPos && newScrollPos.scrollTop);
+    if (!updated && op.selectionChanged) updateSelection(cm);
+    if (newScrollPos) scrollCursorIntoView(cm);
+    if (op.selectionChanged) restartBlink(cm);
+
+    if (view.focused && op.updateInput)
+      resetInput(cm, op.userSelChange);
+
+    if (op.textChanged)
+      signal(cm, "change", cm, op.textChanged);
+    if (op.selectionChanged) signal(cm, "cursorActivity", cm);
+    for (var i = 0; i < op.delayedCallbacks.length; ++i) op.delayedCallbacks[i](cm);
+  }
+
+  // Wraps a function in an operation. Returns the wrapped function.
+  function operation(cm1, f) {
+    return function() {
+      var cm = cm1 || this;
+      startOperation(cm);
+      try {var result = f.apply(cm, arguments);}
+      finally {endOperation(cm);}
+      return result;
+    };
+  }
+
+  function regChange(cm, from, to, lendiff) {
+    cm.curOp.changes.push({from: from, to: to, diff: lendiff});
+  }
+
+  // INPUT HANDLING
+
+  function slowPoll(cm) {
+    if (cm.view.pollingFast) return;
+    cm.display.poll.set(cm.options.pollInterval, function() {
+      readInput(cm);
+      if (cm.view.focused) slowPoll(cm);
+    });
+  }
+
+  function fastPoll(cm) {
+    var missed = false;
+    cm.display.pollingFast = true;
+    function p() {
+      var changed = readInput(cm);
+      if (!changed && !missed) {missed = true; cm.display.poll.set(60, p);}
+      else {cm.display.pollingFast = false; slowPoll(cm);}
+    }
+    cm.display.poll.set(20, p);
+  }
+
+  // prevInput is a hack to work with IME. If we reset the textarea
+  // on every change, that breaks IME. So we look for changes
+  // compared to the previous content instead. (Modern browsers have
+  // events that indicate IME taking place, but these are not widely
+  // supported or compatible enough yet to rely on.)
+  function readInput(cm) {
+    var input = cm.display.input, prevInput = cm.display.prevInput, view = cm.view, sel = view.sel;
+    if (!view.focused || hasSelection(input) || isReadOnly(cm)) return false;
+    var text = input.value;
+    if (text == prevInput && posEq(sel.from, sel.to)) return false;
+    startOperation(cm);
+    view.sel.shift = false;
+    var same = 0, l = Math.min(prevInput.length, text.length);
+    while (same < l && prevInput[same] == text[same]) ++same;
+    var from = sel.from, to = sel.to;
+    if (same < prevInput.length)
+      from = {line: from.line, ch: from.ch - (prevInput.length - same)};
+    else if (view.overwrite && posEq(from, to) && !cm.display.pasteIncoming)
+      to = {line: to.line, ch: Math.min(getLine(cm.view.doc, to.line).text.length, to.ch + (text.length - same))};
+    var updateInput = cm.curOp.updateInput;
+    updateDoc(cm, from, to, splitLines(text.slice(same)), "end",
+              cm.display.pasteIncoming ? "paste" : "input", {from: from, to: to});
+    cm.curOp.updateInput = updateInput;
+    if (text.length > 1000) input.value = cm.display.prevInput = "";
+    else cm.display.prevInput = text;
+    endOperation(cm);
+    cm.display.pasteIncoming = false;
+    return true;
+  }
+
+  function resetInput(cm, user) {
+    var view = cm.view, minimal, selected;
+    if (!posEq(view.sel.from, view.sel.to)) {
+      cm.display.prevInput = "";
+      minimal = hasCopyEvent &&
+        (view.sel.to.line - view.sel.from.line > 100 || (selected = cm.getSelection()).length > 1000);
+      if (minimal) cm.display.input.value = "-";
+      else cm.display.input.value = selected || cm.getSelection();
+      if (view.focused) selectInput(cm.display.input);
+    } else if (user) cm.display.prevInput = cm.display.input.value = "";
+    cm.display.inaccurateSelection = minimal;
+  }
+
+  function focusInput(cm) {
+    if (cm.options.readOnly != "nocursor" && (ie || document.activeElement != cm.display.input))
+      cm.display.input.focus();
+  }
+
+  function isReadOnly(cm) {
+    return cm.options.readOnly || cm.view.cantEdit;
+  }
+
+  // EVENT HANDLERS
+
+  function registerEventHandlers(cm) {
+    var d = cm.display;
+    on(d.scroller, "mousedown", operation(cm, onMouseDown));
+    on(d.scroller, "dblclick", operation(cm, e_preventDefault));
+    on(d.lineSpace, "selectstart", function(e) {
+      if (!mouseEventInWidget(d, e)) e_preventDefault(e);
+    });
+    // Gecko browsers fire contextmenu *after* opening the menu, at
+    // which point we can't mess with it anymore. Context menu is
+    // handled in onMouseDown for Gecko.
+    if (!gecko) on(d.scroller, "contextmenu", function(e) {onContextMenu(cm, e);});
+
+    on(d.scroller, "scroll", function() {
+      setScrollTop(cm, d.scroller.scrollTop);
+      setScrollLeft(cm, d.scroller.scrollLeft, true);
+      signal(cm, "scroll", cm);
+    });
+    on(d.scrollbarV, "scroll", function() {
+      setScrollTop(cm, d.scrollbarV.scrollTop);
+    });
+    on(d.scrollbarH, "scroll", function() {
+      setScrollLeft(cm, d.scrollbarH.scrollLeft);
+    });
+
+    on(d.scroller, "mousewheel", function(e){onScrollWheel(cm, e);});
+    on(d.scroller, "DOMMouseScroll", function(e){onScrollWheel(cm, e);});
+
+    function reFocus() { if (cm.view.focused) setTimeout(bind(focusInput, cm), 0); }
+    on(d.scrollbarH, "mousedown", reFocus);
+    on(d.scrollbarV, "mousedown", reFocus);
+    // Prevent wrapper from ever scrolling
+    on(d.wrapper, "scroll", function() { d.wrapper.scrollTop = d.wrapper.scrollLeft = 0; });
+    on(window, "resize", function resizeHandler() {
+      // Might be a text scaling operation, clear size caches.
+      d.cachedCharWidth = d.cachedTextHeight = null;
+      clearCaches(cm);
+      if (d.wrapper.parentNode) updateDisplay(cm, true);
+      else off(window, "resize", resizeHandler);
+    });
+
+    on(d.input, "keyup", operation(cm, function(e) {
+      if (cm.options.onKeyEvent && cm.options.onKeyEvent(cm, addStop(e))) return;
+      if (e_prop(e, "keyCode") == 16) cm.view.sel.shift = false;
+    }));
+    on(d.input, "input", bind(fastPoll, cm));
+    on(d.input, "keydown", operation(cm, onKeyDown));
+    on(d.input, "keypress", operation(cm, onKeyPress));
+    on(d.input, "focus", bind(onFocus, cm));
+    on(d.input, "blur", bind(onBlur, cm));
+
+    function drag_(e) {
+      if (cm.options.onDragEvent && cm.options.onDragEvent(cm, addStop(e))) return;
+      e_stop(e);
+    }
+    if (cm.options.dragDrop) {
+      on(d.scroller, "dragstart", function(e){onDragStart(cm, e);});
+      on(d.scroller, "dragenter", drag_);
+      on(d.scroller, "dragover", drag_);
+      on(d.scroller, "drop", operation(cm, onDrop));
+    }
+    on(d.scroller, "paste", function(){focusInput(cm); fastPoll(cm);});
+    on(d.input, "paste", function() {
+      d.pasteIncoming = true;
+      fastPoll(cm);
+    });
+
+    function prepareCopy() {
+      if (d.inaccurateSelection) {
+        d.prevInput = "";
+        d.inaccurateSelection = false;
+        d.input.value = cm.getSelection();
+        selectInput(d.input);
+      }
+    }
+    on(d.input, "cut", prepareCopy);
+    on(d.input, "copy", prepareCopy);
+
+    // Needed to handle Tab key in KHTML
+    if (khtml) on(d.sizer, "mouseup", function() {
+        if (document.activeElement == d.input) d.input.blur();
+        focusInput(cm);
+    });
+  }
+
+  function mouseEventInWidget(display, e) {
+    for (var n = e_target(e); n != display.wrapper; n = n.parentNode)
+      if (/\bCodeMirror-(?:line)?widget\b/.test(n.className) ||
+          n.parentNode == display.sizer && n != display.mover) return true;
+  }
+
+  function posFromMouse(cm, e, liberal) {
+    var display = cm.display;
+    if (!liberal) {
+      var target = e_target(e);
+      if (target == display.scrollbarH || target == display.scrollbarH.firstChild ||
+          target == display.scrollbarV || target == display.scrollbarV.firstChild ||
+          target == display.scrollbarFiller) return null;
+    }
+    var x, y, space = display.lineSpace.getBoundingClientRect();
+    // Fails unpredictably on IE[67] when mouse is dragged around quickly.
+    try { x = e.clientX; y = e.clientY; } catch (e) { return null; }
+    return coordsChar(cm, x - space.left, y - space.top);
+  }
+
+  var lastClick, lastDoubleClick;
+  function onMouseDown(e) {
+    var cm = this, display = cm.display, view = cm.view, sel = view.sel, doc = view.doc;
+    sel.shift = e_prop(e, "shiftKey");
+
+    if (mouseEventInWidget(display, e)) {
+      if (!webkit) {
+        display.scroller.draggable = false;
+        setTimeout(function(){display.scroller.draggable = true;}, 100);
+      }
+      return;
+    }
+    if (clickInGutter(cm, e)) return;
+    var start = posFromMouse(cm, e);
+
+    switch (e_button(e)) {
+    case 3:
+      if (gecko) onContextMenu.call(cm, cm, e);
+      return;
+    case 2:
+      if (start) extendSelection(cm, start);
+      setTimeout(bind(focusInput, cm), 20);
+      e_preventDefault(e);
+      return;
+    }
+    // For button 1, if it was clicked inside the editor
+    // (posFromMouse returning non-null), we have to adjust the
+    // selection.
+    if (!start) {if (e_target(e) == display.scroller) e_preventDefault(e); return;}
+
+    if (!view.focused) onFocus(cm);
+
+    var now = +new Date, type = "single";
+    if (lastDoubleClick && lastDoubleClick.time > now - 400 && posEq(lastDoubleClick.pos, start)) {
+      type = "triple";
+      e_preventDefault(e);
+      setTimeout(bind(focusInput, cm), 20);
+      selectLine(cm, start.line);
+    } else if (lastClick && lastClick.time > now - 400 && posEq(lastClick.pos, start)) {
+      type = "double";
+      lastDoubleClick = {time: now, pos: start};
+      e_preventDefault(e);
+      var word = findWordAt(getLine(doc, start.line).text, start);
+      extendSelection(cm, word.from, word.to);
+    } else { lastClick = {time: now, pos: start}; }
+
+    var last = start;
+    if (cm.options.dragDrop && dragAndDrop && !isReadOnly(cm) && !posEq(sel.from, sel.to) &&
+        !posLess(start, sel.from) && !posLess(sel.to, start) && type == "single") {
+      var dragEnd = operation(cm, function(e2) {
+        if (webkit) display.scroller.draggable = false;
+        view.draggingText = false;
+        off(document, "mouseup", dragEnd);
+        off(display.scroller, "drop", dragEnd);
+        if (Math.abs(e.clientX - e2.clientX) + Math.abs(e.clientY - e2.clientY) < 10) {
+          e_preventDefault(e2);
+          extendSelection(cm, start);
+          focusInput(cm);
+        }
+      });
+      // Let the drag handler handle this.
+      if (webkit) display.scroller.draggable = true;
+      view.draggingText = dragEnd;
+      // IE's approach to draggable
+      if (display.scroller.dragDrop) display.scroller.dragDrop();
+      on(document, "mouseup", dragEnd);
+      on(display.scroller, "drop", dragEnd);
+      return;
+    }
+    e_preventDefault(e);
+    if (type == "single") extendSelection(cm, clipPos(doc, start));
+
+    var startstart = sel.from, startend = sel.to;
+
+    function doSelect(cur) {
+      if (type == "single") {
+        extendSelection(cm, clipPos(doc, start), cur);
+        return;
+      }
+
+      startstart = clipPos(doc, startstart);
+      startend = clipPos(doc, startend);
+      if (type == "double") {
+        var word = findWordAt(getLine(doc, cur.line).text, cur);
+        if (posLess(cur, startstart)) extendSelection(cm, word.from, startend);
+        else extendSelection(cm, startstart, word.to);
+      } else if (type == "triple") {
+        if (posLess(cur, startstart)) extendSelection(cm, startend, clipPos(doc, {line: cur.line, ch: 0}));
+        else extendSelection(cm, startstart, clipPos(doc, {line: cur.line + 1, ch: 0}));
+      }
+    }
+
+    var editorSize = display.wrapper.getBoundingClientRect();
+    // Used to ensure timeout re-tries don't fire when another extend
+    // happened in the meantime (clearTimeout isn't reliable -- at
+    // least on Chrome, the timeouts still happen even when cleared,
+    // if the clear happens after their scheduled firing time).
+    var counter = 0;
+
+    function extend(e) {
+      var curCount = ++counter;
+      var cur = posFromMouse(cm, e, true);
+      if (!cur) return;
+      if (!posEq(cur, last)) {
+        if (!view.focused) onFocus(cm);
+        last = cur;
+        doSelect(cur);
+        var visible = visibleLines(display, doc);
+        if (cur.line >= visible.to || cur.line < visible.from)
+          setTimeout(operation(cm, function(){if (counter == curCount) extend(e);}), 150);
+      } else {
+        var outside = e.clientY < editorSize.top ? -20 : e.clientY > editorSize.bottom ? 20 : 0;
+        if (outside) setTimeout(operation(cm, function() {
+          if (counter != curCount) return;
+          display.scroller.scrollTop += outside;
+          extend(e);
+        }), 50);
+      }
+    }
+
+    function done(e) {
+      counter = Infinity;
+      var cur = posFromMouse(cm, e);
+      if (cur) doSelect(cur);
+      e_preventDefault(e);
+      focusInput(cm);
+      off(document, "mousemove", move);
+      off(document, "mouseup", up);
+    }
+
+    var move = operation(cm, function(e) {
+      if (!ie && !e_button(e)) done(e);
+      else extend(e);
+    });
+    var up = operation(cm, done);
+    on(document, "mousemove", move);
+    on(document, "mouseup", up);
+  }
+
+  function onDrop(e) {
+    var cm = this;
+    if (cm.options.onDragEvent && cm.options.onDragEvent(cm, addStop(e))) return;
+    e_preventDefault(e);
+    var pos = posFromMouse(cm, e, true), files = e.dataTransfer.files;
+    if (!pos || isReadOnly(cm)) return;
+    if (files && files.length && window.FileReader && window.File) {
+      var n = files.length, text = Array(n), read = 0;
+      var loadFile = function(file, i) {
+        var reader = new FileReader;
+        reader.onload = function() {
+          text[i] = reader.result;
+          if (++read == n) {
+            pos = clipPos(cm.view.doc, pos);
+            operation(cm, function() {
+              var end = replaceRange(cm, text.join(""), pos, pos, "paste");
+              setSelection(cm, pos, end);
+            })();
+          }
+        };
+        reader.readAsText(file);
+      };
+      for (var i = 0; i < n; ++i) loadFile(files[i], i);
+    } else {
+      // Don't do a replace if the drop happened inside of the selected text.
+      if (cm.view.draggingText && !(posLess(pos, cm.view.sel.from) || posLess(cm.view.sel.to, pos))) {
+        cm.view.draggingText(e);
+        if (ie) setTimeout(bind(focusInput, cm), 50);
+        return;
+      }
+      try {
+        var text = e.dataTransfer.getData("Text");
+        if (text) {
+          var curFrom = cm.view.sel.from, curTo = cm.view.sel.to;
+          setSelection(cm, pos, pos);
+          if (cm.view.draggingText) replaceRange(cm, "", curFrom, curTo, "paste");
+          cm.replaceSelection(text, null, "paste");
+          focusInput(cm);
+          onFocus(cm);
+        }
+      }
+      catch(e){}
+    }
+  }
+
+  function clickInGutter(cm, e) {
+    var display = cm.display;
+    try { var mX = e.clientX, mY = e.clientY; }
+    catch(e) { return false; }
+
+    if (mX >= Math.floor(display.gutters.getBoundingClientRect().right)) return false;
+    e_preventDefault(e);
+    if (!hasHandler(cm, "gutterClick")) return true;
+
+    var lineBox = display.lineDiv.getBoundingClientRect();
+    if (mY > lineBox.bottom) return true;
+    mY -= lineBox.top - display.viewOffset;
+
+    for (var i = 0; i < cm.options.gutters.length; ++i) {
+      var g = display.gutters.childNodes[i];
+      if (g && g.getBoundingClientRect().right >= mX) {
+        var line = lineAtHeight(cm.view.doc, mY);
+        var gutter = cm.options.gutters[i];
+        signalLater(cm, cm, "gutterClick", cm, line, gutter, e);
+        break;
+      }
+    }
+    return true;
+  }
+
+  function onDragStart(cm, e) {
+    var txt = cm.getSelection();
+    e.dataTransfer.setData("Text", txt);
+
+    // Use dummy image instead of default browsers image.
+    // Recent Safari (~6.0.2) have a tendency to segfault when this happens, so we don't do it there.
+    if (e.dataTransfer.setDragImage && !safari)
+      e.dataTransfer.setDragImage(elt('img'), 0, 0);
+  }
+
+  function setScrollTop(cm, val) {
+    if (Math.abs(cm.view.scrollTop - val) < 2) return;
+    cm.view.scrollTop = val;
+    if (!gecko) updateDisplay(cm, [], val);
+    if (cm.display.scroller.scrollTop != val) cm.display.scroller.scrollTop = val;
+    if (cm.display.scrollbarV.scrollTop != val) cm.display.scrollbarV.scrollTop = val;
+    if (gecko) updateDisplay(cm, []);
+  }
+  function setScrollLeft(cm, val, isScroller) {
+    if (isScroller ? val == cm.view.scrollLeft : Math.abs(cm.view.scrollLeft - val) < 2) return;
+    cm.view.scrollLeft = val;
+    alignHorizontally(cm);
+    if (cm.display.scroller.scrollLeft != val) cm.display.scroller.scrollLeft = val;
+    if (cm.display.scrollbarH.scrollLeft != val) cm.display.scrollbarH.scrollLeft = val;
+  }
+
+  // Since the delta values reported on mouse wheel events are
+  // unstandardized between browsers and even browser versions, and
+  // generally horribly unpredictable, this code starts by measuring
+  // the scroll effect that the first few mouse wheel events have,
+  // and, from that, detects the way it can convert deltas to pixel
+  // offsets afterwards.
+  //
+  // The reason we want to know the amount a wheel event will scroll
+  // is that it gives us a chance to update the display before the
+  // actual scrolling happens, reducing flickering.
+
+  var wheelSamples = 0, wheelDX, wheelDY, wheelStartX, wheelStartY, wheelPixelsPerUnit = null;
+  // Fill in a browser-detected starting value on browsers where we
+  // know one. These don't have to be accurate -- the result of them
+  // being wrong would just be a slight flicker on the first wheel
+  // scroll (if it is large enough).
+  if (ie) wheelPixelsPerUnit = -.53;
+  else if (gecko) wheelPixelsPerUnit = 15;
+  else if (chrome) wheelPixelsPerUnit = -.7;
+  else if (safari) wheelPixelsPerUnit = -1/3;
+
+  function onScrollWheel(cm, e) {
+    var dx = e.wheelDeltaX, dy = e.wheelDeltaY;
+    if (dx == null && e.detail && e.axis == e.HORIZONTAL_AXIS) dx = e.detail;
+    if (dy == null && e.detail && e.axis == e.VERTICAL_AXIS) dy = e.detail;
+    else if (dy == null) dy = e.wheelDelta;
+
+    // Webkit browsers on OS X abort momentum scrolls when the target
+    // of the scroll event is removed from the scrollable element.
+    // This hack (see related code in patchDisplay) makes sure the
+    // element is kept around.
+    if (dy && mac && webkit) {
+      for (var cur = e.target; cur != scroll; cur = cur.parentNode) {
+        if (cur.lineObj) {
+          cm.display.currentWheelTarget = cur;
+          break;
+        }
+      }
+    }
+
+    var scroll = cm.display.scroller;
+    // On some browsers, horizontal scrolling will cause redraws to
+    // happen before the gutter has been realigned, causing it to
+    // wriggle around in a most unseemly way. When we have an
+    // estimated pixels/delta value, we just handle horizontal
+    // scrolling entirely here. It'll be slightly off from native, but
+    // better than glitching out.
+    if (dx && !gecko && !opera && wheelPixelsPerUnit != null) {
+      if (dy)
+        setScrollTop(cm, Math.max(0, Math.min(scroll.scrollTop + dy * wheelPixelsPerUnit, scroll.scrollHeight - scroll.clientHeight)));
+      setScrollLeft(cm, Math.max(0, Math.min(scroll.scrollLeft + dx * wheelPixelsPerUnit, scroll.scrollWidth - scroll.clientWidth)));
+      e_preventDefault(e);
+      wheelStartX = null; // Abort measurement, if in progress
+      return;
+    }
+
+    if (dy && wheelPixelsPerUnit != null) {
+      var pixels = dy * wheelPixelsPerUnit;
+      var top = cm.view.scrollTop, bot = top + cm.display.wrapper.clientHeight;
+      if (pixels < 0) top = Math.max(0, top + pixels - 50);
+      else bot = Math.min(cm.view.doc.height, bot + pixels + 50);
+      updateDisplay(cm, [], {top: top, bottom: bot});
+    }
+
+    if (wheelSamples < 20) {
+      if (wheelStartX == null) {
+        wheelStartX = scroll.scrollLeft; wheelStartY = scroll.scrollTop;
+        wheelDX = dx; wheelDY = dy;
+        setTimeout(function() {
+          if (wheelStartX == null) return;
+          var movedX = scroll.scrollLeft - wheelStartX;
+          var movedY = scroll.scrollTop - wheelStartY;
+          var sample = (movedY && wheelDY && movedY / wheelDY) ||
+            (movedX && wheelDX && movedX / wheelDX);
+          wheelStartX = wheelStartY = null;
+          if (!sample) return;
+          wheelPixelsPerUnit = (wheelPixelsPerUnit * wheelSamples + sample) / (wheelSamples + 1);
+          ++wheelSamples;
+        }, 200);
+      } else {
+        wheelDX += dx; wheelDY += dy;
+      }
+    }
+  }
+
+  function doHandleBinding(cm, bound, dropShift) {
+    if (typeof bound == "string") {
+      bound = commands[bound];
+      if (!bound) return false;
+    }
+    // Ensure previous input has been read, so that the handler sees a
+    // consistent view of the document
+    if (cm.display.pollingFast && readInput(cm)) cm.display.pollingFast = false;
+    var view = cm.view, prevShift = view.sel.shift;
+    try {
+      if (isReadOnly(cm)) view.suppressEdits = true;
+      if (dropShift) view.sel.shift = false;
+      bound(cm);
+    } catch(e) {
+      if (e != Pass) throw e;
+      return false;
+    } finally {
+      view.sel.shift = prevShift;
+      view.suppressEdits = false;
+    }
+    return true;
+  }
+
+  function allKeyMaps(cm) {
+    var maps = cm.view.keyMaps.slice(0);
+    maps.push(cm.options.keyMap);
+    if (cm.options.extraKeys) maps.unshift(cm.options.extraKeys);
+    return maps;
+  }
+
+  var maybeTransition;
+  function handleKeyBinding(cm, e) {
+    // Handle auto keymap transitions
+    var startMap = getKeyMap(cm.options.keyMap), next = startMap.auto;
+    clearTimeout(maybeTransition);
+    if (next && !isModifierKey(e)) maybeTransition = setTimeout(function() {
+      if (getKeyMap(cm.options.keyMap) == startMap)
+        cm.options.keyMap = (next.call ? next.call(null, cm) : next);
+    }, 50);
+
+    var name = keyNames[e_prop(e, "keyCode")], handled = false;
+    var flipCtrlCmd = mac && (opera || qtwebkit);
+    if (name == null || e.altGraphKey) return false;
+    if (e_prop(e, "altKey")) name = "Alt-" + name;
+    if (e_prop(e, flipCtrlCmd ? "metaKey" : "ctrlKey")) name = "Ctrl-" + name;
+    if (e_prop(e, flipCtrlCmd ? "ctrlKey" : "metaKey")) name = "Cmd-" + name;
+
+    var stopped = false;
+    function stop() { stopped = true; }
+    var keymaps = allKeyMaps(cm);
+
+    if (e_prop(e, "shiftKey")) {
+      handled = lookupKey("Shift-" + name, keymaps,
+                          function(b) {return doHandleBinding(cm, b, true);}, stop)
+        || lookupKey(name, keymaps, function(b) {
+          if (typeof b == "string" && /^go[A-Z]/.test(b)) return doHandleBinding(cm, b);
+        }, stop);
+    } else {
+      handled = lookupKey(name, keymaps,
+                          function(b) { return doHandleBinding(cm, b); }, stop);
+    }
+    if (stopped) handled = false;
+    if (handled) {
+      e_preventDefault(e);
+      restartBlink(cm);
+      if (ie_lt9) { e.oldKeyCode = e.keyCode; e.keyCode = 0; }
+    }
+    return handled;
+  }
+
+  function handleCharBinding(cm, e, ch) {
+    var handled = lookupKey("'" + ch + "'", allKeyMaps(cm),
+                            function(b) { return doHandleBinding(cm, b, true); });
+    if (handled) {
+      e_preventDefault(e);
+      restartBlink(cm);
+    }
+    return handled;
+  }
+
+  var lastStoppedKey = null;
+  function onKeyDown(e) {
+    var cm = this;
+    if (!cm.view.focused) onFocus(cm);
+    if (ie && e.keyCode == 27) { e.returnValue = false; }
+    if (cm.options.onKeyEvent && cm.options.onKeyEvent(cm, addStop(e))) return;
+    var code = e_prop(e, "keyCode");
+    // IE does strange things with escape.
+    cm.view.sel.shift = code == 16 || e_prop(e, "shiftKey");
+    // First give onKeyEvent option a chance to handle this.
+    var handled = handleKeyBinding(cm, e);
+    if (opera) {
+      lastStoppedKey = handled ? code : null;
+      // Opera has no cut event... we try to at least catch the key combo
+      if (!handled && code == 88 && !hasCopyEvent && e_prop(e, mac ? "metaKey" : "ctrlKey"))
+        cm.replaceSelection("");
+    }
+  }
+
+  function onKeyPress(e) {
+    var cm = this;
+    if (cm.options.onKeyEvent && cm.options.onKeyEvent(cm, addStop(e))) return;
+    var keyCode = e_prop(e, "keyCode"), charCode = e_prop(e, "charCode");
+    if (opera && keyCode == lastStoppedKey) {lastStoppedKey = null; e_preventDefault(e); return;}
+    if (((opera && (!e.which || e.which < 10)) || khtml) && handleKeyBinding(cm, e)) return;
+    var ch = String.fromCharCode(charCode == null ? keyCode : charCode);
+    if (this.options.electricChars && this.view.mode.electricChars &&
+        this.options.smartIndent && !isReadOnly(this) &&
+        this.view.mode.electricChars.indexOf(ch) > -1)
+      setTimeout(operation(cm, function() {indentLine(cm, cm.view.sel.to.line, "smart");}), 75);
+    if (handleCharBinding(cm, e, ch)) return;
+    fastPoll(cm);
+  }
+
+  function onFocus(cm) {
+    if (cm.options.readOnly == "nocursor") return;
+    if (!cm.view.focused) {
+      signal(cm, "focus", cm);
+      cm.view.focused = true;
+      if (cm.display.scroller.className.search(/\bCodeMirror-focused\b/) == -1)
+        cm.display.scroller.className += " CodeMirror-focused";
+      resetInput(cm, true);
+    }
+    slowPoll(cm);
+    restartBlink(cm);
+  }
+  function onBlur(cm) {
+    if (cm.view.focused) {
+      signal(cm, "blur", cm);
+      cm.view.focused = false;
+      cm.display.scroller.className = cm.display.scroller.className.replace(" CodeMirror-focused", "");
+    }
+    clearInterval(cm.display.blinker);
+    setTimeout(function() {if (!cm.view.focused) cm.view.sel.shift = false;}, 150);
+  }
+
+  var detectingSelectAll;
+  function onContextMenu(cm, e) {
+    var display = cm.display, sel = cm.view.sel;
+    var pos = posFromMouse(cm, e), scrollPos = display.scroller.scrollTop;
+    if (!pos || opera) return; // Opera is difficult.
+    if (posEq(sel.from, sel.to) || posLess(pos, sel.from) || !posLess(pos, sel.to))
+      operation(cm, setSelection)(cm, pos, pos);
+
+    var oldCSS = display.input.style.cssText;
+    display.inputDiv.style.position = "absolute";
+    display.input.style.cssText = "position: fixed; width: 30px; height: 30px; top: " + (e.clientY - 5) +
+      "px; left: " + (e.clientX - 5) + "px; z-index: 1000; background: white; outline: none;" +
+      "border-width: 0; outline: none; overflow: hidden; opacity: .05; filter: alpha(opacity=5);";
+    focusInput(cm);
+    resetInput(cm, true);
+    // Adds "Select all" to context menu in FF
+    if (posEq(sel.from, sel.to)) display.input.value = display.prevInput = " ";
+
+    function rehide() {
+      display.inputDiv.style.position = "relative";
+      display.input.style.cssText = oldCSS;
+      if (ie_lt9) display.scrollbarV.scrollTop = display.scroller.scrollTop = scrollPos;
+      slowPoll(cm);
+
+      // Try to detect the user choosing select-all 
+      if (display.input.selectionStart != null) {
+        clearTimeout(detectingSelectAll);
+        var extval = display.input.value = " " + (posEq(sel.from, sel.to) ? "" : display.input.value), i = 0;
+        display.prevInput = " ";
+        display.input.selectionStart = 1; display.input.selectionEnd = extval.length;
+        detectingSelectAll = setTimeout(function poll(){
+          if (display.prevInput == " " && display.input.selectionStart == 0)
+            operation(cm, commands.selectAll)(cm);
+          else if (i++ < 10) detectingSelectAll = setTimeout(poll, 500);
+          else resetInput(cm);
+        }, 200);
+      }
+    }
+
+    if (gecko) {
+      e_stop(e);
+      on(window, "mouseup", function mouseup() {
+        off(window, "mouseup", mouseup);
+        setTimeout(rehide, 20);
+      });
+    } else {
+      setTimeout(rehide, 50);
+    }
+  }
+
+  // UPDATING
+
+  // Replace the range from from to to by the strings in newText.
+  // Afterwards, set the selection to selFrom, selTo.
+  function updateDoc(cm, from, to, newText, selUpdate, origin) {
+    // Possibly split or suppress the update based on the presence
+    // of read-only spans in its range.
+    var split = sawReadOnlySpans &&
+      removeReadOnlyRanges(cm.view.doc, from, to);
+    if (split) {
+      for (var i = split.length - 1; i >= 1; --i)
+        updateDocInner(cm, split[i].from, split[i].to, [""], origin);
+      if (split.length)
+        return updateDocInner(cm, split[0].from, split[0].to, newText, selUpdate, origin);
+    } else {
+      return updateDocInner(cm, from, to, newText, selUpdate, origin);
+    }
+  }
+
+  function updateDocInner(cm, from, to, newText, selUpdate, origin) {
+    if (cm.view.suppressEdits) return;
+
+    var view = cm.view, doc = view.doc, old = [];
+    doc.iter(from.line, to.line + 1, function(line) {
+      old.push(newHL(line.text, line.markedSpans));
+    });
+    var startSelFrom = view.sel.from, startSelTo = view.sel.to;
+    var lines = updateMarkedSpans(hlSpans(old[0]), hlSpans(lst(old)), from.ch, to.ch, newText);
+    var retval = updateDocNoUndo(cm, from, to, lines, selUpdate, origin);
+    if (view.history) addChange(cm, from.line, newText.length, old, origin,
+                                startSelFrom, startSelTo, view.sel.from, view.sel.to);
+    return retval;
+  }
+
+  function unredoHelper(cm, type) {
+    var doc = cm.view.doc, hist = cm.view.history;
+    var set = (type == "undo" ? hist.done : hist.undone).pop();
+    if (!set) return;
+    var anti = {events: [], fromBefore: set.fromAfter, toBefore: set.toAfter,
+                fromAfter: set.fromBefore, toAfter: set.toBefore};
+    for (var i = set.events.length - 1; i >= 0; i -= 1) {
+      hist.dirtyCounter += type == "undo" ? -1 : 1;
+      var change = set.events[i];
+      var replaced = [], end = change.start + change.added;
+      doc.iter(change.start, end, function(line) { replaced.push(newHL(line.text, line.markedSpans)); });
+      anti.events.push({start: change.start, added: change.old.length, old: replaced});
+      var selPos = i ? null : {from: set.fromBefore, to: set.toBefore};
+      updateDocNoUndo(cm, {line: change.start, ch: 0}, {line: end - 1, ch: getLine(doc, end-1).text.length},
+                      change.old, selPos, type);
+    }
+    (type == "undo" ? hist.undone : hist.done).push(anti);
+  }
+
+  function updateDocNoUndo(cm, from, to, lines, selUpdate, origin) {
+    var view = cm.view, doc = view.doc, display = cm.display;
+    if (view.suppressEdits) return;
+
+    var nlines = to.line - from.line, firstLine = getLine(doc, from.line), lastLine = getLine(doc, to.line);
+    var recomputeMaxLength = false, checkWidthStart = from.line;
+    if (!cm.options.lineWrapping) {
+      checkWidthStart = lineNo(visualLine(doc, firstLine));
+      doc.iter(checkWidthStart, to.line + 1, function(line) {
+        if (lineLength(doc, line) == view.maxLineLength) {
+          recomputeMaxLength = true;
+          return true;
+        }
+      });
+    }
+
+    var lastHL = lst(lines), th = textHeight(display);
+
+    // First adjust the line structure
+    if (from.ch == 0 && to.ch == 0 && hlText(lastHL) == "") {
+      // This is a whole-line replace. Treated specially to make
+      // sure line objects move the way they are supposed to.
+      var added = [];
+      for (var i = 0, e = lines.length - 1; i < e; ++i)
+        added.push(makeLine(hlText(lines[i]), hlSpans(lines[i]), th));
+      updateLine(cm, lastLine, lastLine.text, hlSpans(lastHL));
+      if (nlines) doc.remove(from.line, nlines, cm);
+      if (added.length) doc.insert(from.line, added);
+    } else if (firstLine == lastLine) {
+      if (lines.length == 1) {
+        updateLine(cm, firstLine, firstLine.text.slice(0, from.ch) + hlText(lines[0]) +
+                   firstLine.text.slice(to.ch), hlSpans(lines[0]));
+      } else {
+        for (var added = [], i = 1, e = lines.length - 1; i < e; ++i)
+          added.push(makeLine(hlText(lines[i]), hlSpans(lines[i]), th));
+        added.push(makeLine(hlText(lastHL) + firstLine.text.slice(to.ch), hlSpans(lastHL), th));
+        updateLine(cm, firstLine, firstLine.text.slice(0, from.ch) + hlText(lines[0]), hlSpans(lines[0]));
+        doc.insert(from.line + 1, added);
+      }
+    } else if (lines.length == 1) {
+      updateLine(cm, firstLine, firstLine.text.slice(0, from.ch) + hlText(lines[0]) +
+                 lastLine.text.slice(to.ch), hlSpans(lines[0]));
+      doc.remove(from.line + 1, nlines, cm);
+    } else {
+      var added = [];
+      updateLine(cm, firstLine, firstLine.text.slice(0, from.ch) + hlText(lines[0]), hlSpans(lines[0]));
+      updateLine(cm, lastLine, hlText(lastHL) + lastLine.text.slice(to.ch), hlSpans(lastHL));
+      for (var i = 1, e = lines.length - 1; i < e; ++i)
+        added.push(makeLine(hlText(lines[i]), hlSpans(lines[i]), th));
+      if (nlines > 1) doc.remove(from.line + 1, nlines - 1, cm);
+      doc.insert(from.line + 1, added);
+    }
+
+    if (cm.options.lineWrapping) {
+      var perLine = Math.max(5, display.scroller.clientWidth / charWidth(display) - 3);
+      doc.iter(from.line, from.line + lines.length, function(line) {
+        if (line.height == 0) return;
+        var guess = (Math.ceil(line.text.length / perLine) || 1) * th;
+        if (guess != line.height) updateLineHeight(line, guess);
+      });
+    } else {
+      doc.iter(checkWidthStart, from.line + lines.length, function(line) {
+        var len = lineLength(doc, line);
+        if (len > view.maxLineLength) {
+          view.maxLine = line;
+          view.maxLineLength = len;
+          view.maxLineChanged = true;
+          recomputeMaxLength = false;
+        }
+      });
+      if (recomputeMaxLength) cm.curOp.updateMaxLine = true;
+    }
+
+    // Adjust frontier, schedule worker
+    view.frontier = Math.min(view.frontier, from.line);
+    startWorker(cm, 400);
+
+    var lendiff = lines.length - nlines - 1;
+    // Remember that these lines changed, for updating the display
+    regChange(cm, from.line, to.line + 1, lendiff);
+    if (hasHandler(cm, "change")) {
+      // Normalize lines to contain only strings, since that's what
+      // the change event handler expects
+      for (var i = 0; i < lines.length; ++i)
+        if (typeof lines[i] != "string") lines[i] = lines[i].text;
+      var changeObj = {from: from, to: to, text: lines, origin: origin};
+      if (cm.curOp.textChanged) {
+        for (var cur = cm.curOp.textChanged; cur.next; cur = cur.next) {}
+        cur.next = changeObj;
+      } else cm.curOp.textChanged = changeObj;
+    }
+
+    // Update the selection
+    var newSelFrom, newSelTo, end = {line: from.line + lines.length - 1,
+                                     ch: hlText(lastHL).length  + (lines.length == 1 ? from.ch : 0)};
+    if (selUpdate && typeof selUpdate != "string") {
+      if (selUpdate.from) { newSelFrom = selUpdate.from; newSelTo = selUpdate.to; }
+      else newSelFrom = newSelTo = selUpdate;
+    } else if (selUpdate == "end") {
+      newSelFrom = newSelTo = end;
+    } else if (selUpdate == "start") {
+      newSelFrom = newSelTo = from;
+    } else if (selUpdate == "around") {
+      newSelFrom = from; newSelTo = end;
+    } else {
+      var adjustPos = function(pos) {
+        if (posLess(pos, from)) return pos;
+        if (!posLess(to, pos)) return end;
+        var line = pos.line + lendiff;
+        var ch = pos.ch;
+        if (pos.line == to.line)
+          ch += hlText(lastHL).length - (to.ch - (to.line == from.line ? from.ch : 0));
+        return {line: line, ch: ch};
+      };
+      newSelFrom = adjustPos(view.sel.from);
+      newSelTo = adjustPos(view.sel.to);
+    }
+    setSelection(cm, newSelFrom, newSelTo, null, true);
+    return end;
+  }
+
+  function replaceRange(cm, code, from, to, origin) {
+    if (!to) to = from;
+    if (posLess(to, from)) { var tmp = to; to = from; from = tmp; }
+    return updateDoc(cm, from, to, splitLines(code), null, origin);
+  }
+
+  // SELECTION
+
+  function posEq(a, b) {return a.line == b.line && a.ch == b.ch;}
+  function posLess(a, b) {return a.line < b.line || (a.line == b.line && a.ch < b.ch);}
+  function copyPos(x) {return {line: x.line, ch: x.ch};}
+
+  function clipLine(doc, n) {return Math.max(0, Math.min(n, doc.size-1));}
+  function clipPos(doc, pos) {
+    if (pos.line < 0) return {line: 0, ch: 0};
+    if (pos.line >= doc.size) return {line: doc.size-1, ch: getLine(doc, doc.size-1).text.length};
+    var ch = pos.ch, linelen = getLine(doc, pos.line).text.length;
+    if (ch == null || ch > linelen) return {line: pos.line, ch: linelen};
+    else if (ch < 0) return {line: pos.line, ch: 0};
+    else return pos;
+  }
+  function isLine(doc, l) {return l >= 0 && l < doc.size;}
+
+  // If shift is held, this will move the selection anchor. Otherwise,
+  // it'll set the whole selection.
+  function extendSelection(cm, pos, other, bias) {
+    var sel = cm.view.sel;
+    if (sel.shift || sel.extend) {
+      var anchor = sel.anchor;
+      if (other) {
+        var posBefore = posLess(pos, anchor);
+        if (posBefore != posLess(other, anchor)) {
+          anchor = pos;
+          pos = other;
+        } else if (posBefore != posLess(pos, other)) {
+          pos = other;
+        }
+      }
+      setSelection(cm, anchor, pos, bias);
+    } else {
+      setSelection(cm, pos, other || pos, bias);
+    }
+    cm.curOp.userSelChange = true;
+  }
+
+  // Update the selection. Last two args are only used by
+  // updateDoc, since they have to be expressed in the line
+  // numbers before the update.
+  function setSelection(cm, anchor, head, bias, checkAtomic) {
+    cm.view.goalColumn = null;
+    var sel = cm.view.sel;
+    // Skip over atomic spans.
+    if (checkAtomic || !posEq(anchor, sel.anchor))
+      anchor = skipAtomic(cm, anchor, bias, checkAtomic != "push");
+    if (checkAtomic || !posEq(head, sel.head))
+      head = skipAtomic(cm, head, bias, checkAtomic != "push");
+
+    if (posEq(sel.anchor, anchor) && posEq(sel.head, head)) return;
+
+    sel.anchor = anchor; sel.head = head;
+    var inv = posLess(head, anchor);
+    sel.from = inv ? head : anchor;
+    sel.to = inv ? anchor : head;
+
+    cm.curOp.updateInput = true;
+    cm.curOp.selectionChanged = true;
+  }
+
+  function reCheckSelection(cm) {
+    setSelection(cm, cm.view.sel.from, cm.view.sel.to, null, "push");
+  }
+
+  function skipAtomic(cm, pos, bias, mayClear) {
+    var doc = cm.view.doc, flipped = false, curPos = pos;
+    var dir = bias || 1;
+    cm.view.cantEdit = false;
+    search: for (;;) {
+      var line = getLine(doc, curPos.line), toClear;
+      if (line.markedSpans) {
+        for (var i = 0; i < line.markedSpans.length; ++i) {
+          var sp = line.markedSpans[i], m = sp.marker;
+          if ((sp.from == null || (m.inclusiveLeft ? sp.from <= curPos.ch : sp.from < curPos.ch)) &&
+              (sp.to == null || (m.inclusiveRight ? sp.to >= curPos.ch : sp.to > curPos.ch))) {
+            if (mayClear && m.clearOnEnter) {
+              (toClear || (toClear = [])).push(m);
+              continue;
+            } else if (!m.atomic) continue;
+            var newPos = m.find()[dir < 0 ? "from" : "to"];
+            if (posEq(newPos, curPos)) {
+              newPos.ch += dir;
+              if (newPos.ch < 0) {
+                if (newPos.line) newPos = clipPos(doc, {line: newPos.line - 1});
+                else newPos = null;
+              } else if (newPos.ch > line.text.length) {
+                if (newPos.line < doc.size - 1) newPos = {line: newPos.line + 1, ch: 0};
+                else newPos = null;
+              }
+              if (!newPos) {
+                if (flipped) {
+                  // Driven in a corner -- no valid cursor position found at all
+                  // -- try again *with* clearing, if we didn't already
+                  if (!mayClear) return skipAtomic(cm, pos, bias, true);
+                  // Otherwise, turn off editing until further notice, and return the start of the doc
+                  cm.view.cantEdit = true;
+                  return {line: 0, ch: 0};
+                }
+                flipped = true; newPos = pos; dir = -dir;
+              }
+            }
+            curPos = newPos;
+            continue search;
+          }
+        }
+        if (toClear) for (var i = 0; i < toClear.length; ++i) toClear[i].clear();
+      }
+      return curPos;
+    }
+  }
+
+  // SCROLLING
+
+  function scrollCursorIntoView(cm) {
+    var view = cm.view;
+    var coords = scrollPosIntoView(cm, view.sel.head);
+    if (!view.focused) return;
+    var display = cm.display, box = display.sizer.getBoundingClientRect(), doScroll = null;
+    if (coords.top + box.top < 0) doScroll = true;
+    else if (coords.bottom + box.top > (window.innerHeight || document.documentElement.clientHeight)) doScroll = false;
+    if (doScroll != null && !phantom) {
+      var hidden = display.cursor.style.display == "none";
+      if (hidden) {
+        display.cursor.style.display = "";
+        display.cursor.style.left = coords.left + "px";
+        display.cursor.style.top = (coords.top - display.viewOffset) + "px";
+      }
+      display.cursor.scrollIntoView(doScroll);
+      if (hidden) display.cursor.style.display = "none";
+    }
+  }
+
+  function scrollPosIntoView(cm, pos) {
+    for (;;) {
+      var changed = false, coords = cursorCoords(cm, pos);
+      var scrollPos = calculateScrollPos(cm, coords.left, coords.top, coords.left, coords.bottom);
+      var startTop = cm.view.scrollTop, startLeft = cm.view.scrollLeft;
+      if (scrollPos.scrollTop != null) {
+        setScrollTop(cm, scrollPos.scrollTop);
+        if (Math.abs(cm.view.scrollTop - startTop) > 1) changed = true;
+      }
+      if (scrollPos.scrollLeft != null) {
+        setScrollLeft(cm, scrollPos.scrollLeft);
+        if (Math.abs(cm.view.scrollLeft - startLeft) > 1) changed = true;
+      }
+      if (!changed) return coords;
+    }
+  }
+
+  function scrollIntoView(cm, x1, y1, x2, y2) {
+    var scrollPos = calculateScrollPos(cm, x1, y1, x2, y2);
+    if (scrollPos.scrollTop != null) setScrollTop(cm, scrollPos.scrollTop);
+    if (scrollPos.scrollLeft != null) setScrollLeft(cm, scrollPos.scrollLeft);
+  }
+
+  function calculateScrollPos(cm, x1, y1, x2, y2) {
+    var display = cm.display, pt = paddingTop(display);
+    y1 += pt; y2 += pt;
+    var screen = display.scroller.clientHeight - scrollerCutOff, screentop = display.scroller.scrollTop, result = {};
+    var docBottom = cm.view.doc.height + 2 * pt;
+    var atTop = y1 < pt + 10, atBottom = y2 + pt > docBottom - 10;
+    if (y1 < screentop) result.scrollTop = atTop ? 0 : Math.max(0, y1);
+    else if (y2 > screentop + screen) result.scrollTop = (atBottom ? docBottom : y2) - screen;
+
+    var screenw = display.scroller.clientWidth - scrollerCutOff, screenleft = display.scroller.scrollLeft;
+    x1 += display.gutters.offsetWidth; x2 += display.gutters.offsetWidth;
+    var gutterw = display.gutters.offsetWidth;
+    var atLeft = x1 < gutterw + 10;
+    if (x1 < screenleft + gutterw || atLeft) {
+      if (atLeft) x1 = 0;
+      result.scrollLeft = Math.max(0, x1 - 10 - gutterw);
+    } else if (x2 > screenw + screenleft - 3) {
+      result.scrollLeft = x2 + 10 - screenw;
+    }
+    return result;
+  }
+
+  // API UTILITIES
+
+  function indentLine(cm, n, how, aggressive) {
+    var doc = cm.view.doc;
+    if (!how) how = "add";
+    if (how == "smart") {
+      if (!cm.view.mode.indent) how = "prev";
+      else var state = getStateBefore(cm, n);
+    }
+
+    var tabSize = cm.options.tabSize;
+    var line = getLine(doc, n), curSpace = countColumn(line.text, null, tabSize);
+    var curSpaceString = line.text.match(/^\s*/)[0], indentation;
+    if (how == "smart") {
+      indentation = cm.view.mode.indent(state, line.text.slice(curSpaceString.length), line.text);
+      if (indentation == Pass) {
+        if (!aggressive) return;
+        how = "prev";
+      }
+    }
+    if (how == "prev") {
+      if (n) indentation = countColumn(getLine(doc, n-1).text, null, tabSize);
+      else indentation = 0;
+    }
+    else if (how == "add") indentation = curSpace + cm.options.indentUnit;
+    else if (how == "subtract") indentation = curSpace - cm.options.indentUnit;
+    indentation = Math.max(0, indentation);
+
+    var indentString = "", pos = 0;
+    if (cm.options.indentWithTabs)
+      for (var i = Math.floor(indentation / tabSize); i; --i) {pos += tabSize; indentString += "\t";}
+    if (pos < indentation) indentString += spaceStr(indentation - pos);
+
+    if (indentString != curSpaceString)
+      replaceRange(cm, indentString, {line: n, ch: 0}, {line: n, ch: curSpaceString.length}, "input");
+    line.stateAfter = null;
+  }
+
+  function changeLine(cm, handle, op) {
+    var no = handle, line = handle, doc = cm.view.doc;
+    if (typeof handle == "number") line = getLine(doc, clipLine(doc, handle));
+    else no = lineNo(handle);
+    if (no == null) return null;
+    if (op(line, no)) regChange(cm, no, no + 1);
+    else return null;
+    return line;
+  }
+
+  function findPosH(cm, dir, unit, visually) {
+    var doc = cm.view.doc, end = cm.view.sel.head, line = end.line, ch = end.ch;
+    var lineObj = getLine(doc, line);
+    function findNextLine() {
+      var l = line + dir;
+      if (l < 0 || l == doc.size) return false;
+      line = l;
+      return lineObj = getLine(doc, l);
+    }
+    function moveOnce(boundToLine) {
+      var next = (visually ? moveVisually : moveLogically)(lineObj, ch, dir, true);
+      if (next == null) {
+        if (!boundToLine && findNextLine()) {
+          if (visually) ch = (dir < 0 ? lineRight : lineLeft)(lineObj);
+          else ch = dir < 0 ? lineObj.text.length : 0;
+        } else return false;
+      } else ch = next;
+      return true;
+    }
+    if (unit == "char") moveOnce();
+    else if (unit == "column") moveOnce(true);
+    else if (unit == "word") {
+      var sawWord = false;
+      for (;;) {
+        if (dir < 0) if (!moveOnce()) break;
+        if (isWordChar(lineObj.text.charAt(ch))) sawWord = true;
+        else if (sawWord) {if (dir < 0) {dir = 1; moveOnce();} break;}
+        if (dir > 0) if (!moveOnce()) break;
+      }
+    }
+    return skipAtomic(cm, {line: line, ch: ch}, dir, true);
+  }
+
+  function findWordAt(line, pos) {
+    var start = pos.ch, end = pos.ch;
+    if (line) {
+      if (pos.after === false || end == line.length) --start; else ++end;
+      var startChar = line.charAt(start);
+      var check = isWordChar(startChar) ? isWordChar :
+        /\s/.test(startChar) ? function(ch) {return /\s/.test(ch);} :
+      function(ch) {return !/\s/.test(ch) && !isWordChar(ch);};
+      while (start > 0 && check(line.charAt(start - 1))) --start;
+      while (end < line.length && check(line.charAt(end))) ++end;
+    }
+    return {from: {line: pos.line, ch: start}, to: {line: pos.line, ch: end}};
+  }
+
+  function selectLine(cm, line) {
+    extendSelection(cm, {line: line, ch: 0}, clipPos(cm.view.doc, {line: line + 1, ch: 0}));
+  }
+
+  // PROTOTYPE
+
+  // The publicly visible API. Note that operation(null, f) means
+  // 'wrap f in an operation, performed on its `this` parameter'
+
+  CodeMirror.prototype = {
+    getValue: function(lineSep) {
+      var text = [], doc = this.view.doc;
+      doc.iter(0, doc.size, function(line) { text.push(line.text); });
+      return text.join(lineSep || "\n");
+    },
+
+    setValue: operation(null, function(code) {
+      var doc = this.view.doc, top = {line: 0, ch: 0}, lastLen = getLine(doc, doc.size-1).text.length;
+      updateDocInner(this, top, {line: doc.size - 1, ch: lastLen}, splitLines(code), top, top, "setValue");
+    }),
+
+    getSelection: function(lineSep) { return this.getRange(this.view.sel.from, this.view.sel.to, lineSep); },
+
+    replaceSelection: operation(null, function(code, collapse, origin) {
+      var sel = this.view.sel;
+      updateDoc(this, sel.from, sel.to, splitLines(code), collapse || "around", origin);
+    }),
+
+    focus: function(){window.focus(); focusInput(this); onFocus(this); fastPoll(this);},
+
+    setOption: function(option, value) {
+      var options = this.options, old = options[option];
+      if (options[option] == value && option != "mode") return;
+      options[option] = value;
+      if (optionHandlers.hasOwnProperty(option))
+        operation(this, optionHandlers[option])(this, value, old);
+    },
+
+    getOption: function(option) {return this.options[option];},
+
+    getMode: function() {return this.view.mode;},
+
+    addKeyMap: function(map) {
+      this.view.keyMaps.push(map);
+    },
+
+    removeKeyMap: function(map) {
+      var maps = this.view.keyMaps;
+      for (var i = 0; i < maps.length; ++i)
+        if ((typeof map == "string" ? maps[i].name : maps[i]) == map) {
+          maps.splice(i, 1);
+          return true;
+        }
+    },
+
+    undo: operation(null, function() {unredoHelper(this, "undo");}),
+    redo: operation(null, function() {unredoHelper(this, "redo");}),
+
+    indentLine: operation(null, function(n, dir, aggressive) {
+      if (typeof dir != "string") {
+        if (dir == null) dir = this.options.smartIndent ? "smart" : "prev";
+        else dir = dir ? "add" : "subtract";
+      }
+      if (isLine(this.view.doc, n)) indentLine(this, n, dir, aggressive);
+    }),
+
+    indentSelection: operation(null, function(how) {
+      var sel = this.view.sel;
+      if (posEq(sel.from, sel.to)) return indentLine(this, sel.from.line, how);
+      var e = sel.to.line - (sel.to.ch ? 0 : 1);
+      for (var i = sel.from.line; i <= e; ++i) indentLine(this, i, how);
+    }),
+
+    historySize: function() {
+      var hist = this.view.history;
+      return {undo: hist.done.length, redo: hist.undone.length};
+    },
+
+    clearHistory: function() {this.view.history = makeHistory();},
+
+    markClean: function() {
+      this.view.history.dirtyCounter = 0;
+      this.view.history.lastOp = this.view.history.lastOrigin = null;
+    },
+
+    isClean: function () {return this.view.history.dirtyCounter == 0;},
+      
+    getHistory: function() {
+      var hist = this.view.history;
+      function cp(arr) {
+        for (var i = 0, nw = [], nwelt; i < arr.length; ++i) {
+          var set = arr[i];
+          nw.push({events: nwelt = [], fromBefore: set.fromBefore, toBefore: set.toBefore,
+                   fromAfter: set.fromAfter, toAfter: set.toAfter});
+          for (var j = 0, elt = set.events; j < elt.length; ++j) {
+            var old = [], cur = elt[j];
+            nwelt.push({start: cur.start, added: cur.added, old: old});
+            for (var k = 0; k < cur.old.length; ++k) old.push(hlText(cur.old[k]));
+          }
+        }
+        return nw;
+      }
+      return {done: cp(hist.done), undone: cp(hist.undone)};
+    },
+
+    setHistory: function(histData) {
+      var hist = this.view.history = makeHistory();
+      hist.done = histData.done;
+      hist.undone = histData.undone;
+    },
+
+    // Fetch the parser token for a given character. Useful for hacks
+    // that want to inspect the mode state (say, for completion).
+    getTokenAt: function(pos) {
+      var doc = this.view.doc;
+      pos = clipPos(doc, pos);
+      var state = getStateBefore(this, pos.line), mode = this.view.mode;
+      var line = getLine(doc, pos.line);
+      var stream = new StringStream(line.text, this.options.tabSize);
+      while (stream.pos < pos.ch && !stream.eol()) {
+        stream.start = stream.pos;
+        var style = mode.token(stream, state);
+      }
+      return {start: stream.start,
+              end: stream.pos,
+              string: stream.current(),
+              className: style || null, // Deprecated, use 'type' instead
+              type: style || null,
+              state: state};
+    },
+
+    getStateAfter: function(line) {
+      var doc = this.view.doc;
+      line = clipLine(doc, line == null ? doc.size - 1: line);
+      return getStateBefore(this, line + 1);
+    },
+
+    cursorCoords: function(start, mode) {
+      var pos, sel = this.view.sel;
+      if (start == null) pos = sel.head;
+      else if (typeof start == "object") pos = clipPos(this.view.doc, start);
+      else pos = start ? sel.from : sel.to;
+      return cursorCoords(this, pos, mode || "page");
+    },
+
+    charCoords: function(pos, mode) {
+      return charCoords(this, clipPos(this.view.doc, pos), mode || "page");
+    },
+
+    coordsChar: function(coords) {
+      var off = this.display.lineSpace.getBoundingClientRect();
+      return coordsChar(this, coords.left - off.left, coords.top - off.top);
+    },
+
+    defaultTextHeight: function() { return textHeight(this.display); },
+
+    markText: operation(null, function(from, to, options) {
+      return markText(this, clipPos(this.view.doc, from), clipPos(this.view.doc, to),
+                      options, "range");
+    }),
+
+    setBookmark: operation(null, function(pos, widget) {
+      pos = clipPos(this.view.doc, pos);
+      return markText(this, pos, pos, widget ? {replacedWith: widget} : {}, "bookmark");
+    }),
+
+    findMarksAt: function(pos) {
+      var doc = this.view.doc;
+      pos = clipPos(doc, pos);
+      var markers = [], spans = getLine(doc, pos.line).markedSpans;
+      if (spans) for (var i = 0; i < spans.length; ++i) {
+        var span = spans[i];
+        if ((span.from == null || span.from <= pos.ch) &&
+            (span.to == null || span.to >= pos.ch))
+          markers.push(span.marker);
+      }
+      return markers;
+    },
+
+    setGutterMarker: operation(null, function(line, gutterID, value) {
+      return changeLine(this, line, function(line) {
+        var markers = line.gutterMarkers || (line.gutterMarkers = {});
+        markers[gutterID] = value;
+        if (!value && isEmpty(markers)) line.gutterMarkers = null;
+        return true;
+      });
+    }),
+
+    clearGutter: operation(null, function(gutterID) {
+      var i = 0, cm = this, doc = cm.view.doc;
+      doc.iter(0, doc.size, function(line) {
+        if (line.gutterMarkers && line.gutterMarkers[gutterID]) {
+          line.gutterMarkers[gutterID] = null;
+          regChange(cm, i, i + 1);
+          if (isEmpty(line.gutterMarkers)) line.gutterMarkers = null;
+        }
+        ++i;
+      });
+    }),
+
+    addLineClass: operation(null, function(handle, where, cls) {
+      return changeLine(this, handle, function(line) {
+        var prop = where == "text" ? "textClass" : where == "background" ? "bgClass" : "wrapClass";
+        if (!line[prop]) line[prop] = cls;
+        else if (new RegExp("\\b" + cls + "\\b").test(line[prop])) return false;
+        else line[prop] += " " + cls;
+        return true;
+      });
+    }),
+
+    removeLineClass: operation(null, function(handle, where, cls) {
+      return changeLine(this, handle, function(line) {
+        var prop = where == "text" ? "textClass" : where == "background" ? "bgClass" : "wrapClass";
+        var cur = line[prop];
+        if (!cur) return false;
+        else if (cls == null) line[prop] = null;
+        else {
+          var upd = cur.replace(new RegExp("^" + cls + "\\b\\s*|\\s*\\b" + cls + "\\b"), "");
+          if (upd == cur) return false;
+          line[prop] = upd || null;
+        }
+        return true;
+      });
+    }),
+
+    addLineWidget: operation(null, function(handle, node, options) {
+      var widget = options || {};
+      widget.node = node;
+      if (widget.noHScroll) this.display.alignWidgets = true;
+      changeLine(this, handle, function(line) {
+        (line.widgets || (line.widgets = [])).push(widget);
+        widget.line = line;
+        return true;
+      });
+      return widget;
+    }),
+
+    removeLineWidget: operation(null, function(widget) {
+      var ws = widget.line.widgets, no = lineNo(widget.line);
+      if (no == null) return;
+      for (var i = 0; i < ws.length; ++i) if (ws[i] == widget) ws.splice(i--, 1);
+      regChange(this, no, no + 1);
+    }),
+
+    lineInfo: function(line) {
+      if (typeof line == "number") {
+        if (!isLine(this.view.doc, line)) return null;
+        var n = line;
+        line = getLine(this.view.doc, line);
+        if (!line) return null;
+      } else {
+        var n = lineNo(line);
+        if (n == null) return null;
+      }
+      return {line: n, handle: line, text: line.text, gutterMarkers: line.gutterMarkers,
+              textClass: line.textClass, bgClass: line.bgClass, wrapClass: line.wrapClass,
+              widgets: line.widgets};
+    },
+
+    getViewport: function() { return {from: this.display.showingFrom, to: this.display.showingTo};},
+
+    addWidget: function(pos, node, scroll, vert, horiz) {
+      var display = this.display;
+      pos = cursorCoords(this, clipPos(this.view.doc, pos));
+      var top = pos.top, left = pos.left;
+      node.style.position = "absolute";
+      display.sizer.appendChild(node);
+      if (vert == "over") top = pos.top;
+      else if (vert == "near") {
+        var vspace = Math.max(display.wrapper.clientHeight, this.view.doc.height),
+        hspace = Math.max(display.sizer.clientWidth, display.lineSpace.clientWidth);
+        if (pos.bottom + node.offsetHeight > vspace && pos.top > node.offsetHeight)
+          top = pos.top - node.offsetHeight;
+        if (left + node.offsetWidth > hspace)
+          left = hspace - node.offsetWidth;
+      }
+      node.style.top = (top + paddingTop(display)) + "px";
+      node.style.left = node.style.right = "";
+      if (horiz == "right") {
+        left = display.sizer.clientWidth - node.offsetWidth;
+        node.style.right = "0px";
+      } else {
+        if (horiz == "left") left = 0;
+        else if (horiz == "middle") left = (display.sizer.clientWidth - node.offsetWidth) / 2;
+        node.style.left = left + "px";
+      }
+      if (scroll)
+        scrollIntoView(this, left, top, left + node.offsetWidth, top + node.offsetHeight);
+    },
+
+    lineCount: function() {return this.view.doc.size;},
+
+    clipPos: function(pos) {return clipPos(this.view.doc, pos);},
+
+    getCursor: function(start) {
+      var sel = this.view.sel, pos;
+      if (start == null || start == "head") pos = sel.head;
+      else if (start == "anchor") pos = sel.anchor;
+      else if (start == "end" || start === false) pos = sel.to;
+      else pos = sel.from;
+      return copyPos(pos);
+    },
+
+    somethingSelected: function() {return !posEq(this.view.sel.from, this.view.sel.to);},
+
+    setCursor: operation(null, function(line, ch, extend) {
+      var pos = clipPos(this.view.doc, typeof line == "number" ? {line: line, ch: ch || 0} : line);
+      if (extend) extendSelection(this, pos);
+      else setSelection(this, pos, pos);
+    }),
+
+    setSelection: operation(null, function(anchor, head) {
+      var doc = this.view.doc;
+      setSelection(this, clipPos(doc, anchor), clipPos(doc, head || anchor));
+    }),
+
+    extendSelection: operation(null, function(from, to) {
+      var doc = this.view.doc;
+      extendSelection(this, clipPos(doc, from), to && clipPos(doc, to));
+    }),
+
+    setExtending: function(val) {this.view.sel.extend = val;},
+
+    getLine: function(line) {var l = this.getLineHandle(line); return l && l.text;},
+
+    getLineHandle: function(line) {
+      var doc = this.view.doc;
+      if (isLine(doc, line)) return getLine(doc, line);
+    },
+
+    getLineNumber: function(line) {return lineNo(line);},
+
+    setLine: operation(null, function(line, text) {
+      if (isLine(this.view.doc, line))
+        replaceRange(this, text, {line: line, ch: 0}, {line: line, ch: getLine(this.view.doc, line).text.length});
+    }),
+
+    removeLine: operation(null, function(line) {
+      if (isLine(this.view.doc, line))
+        replaceRange(this, "", {line: line, ch: 0}, clipPos(this.view.doc, {line: line+1, ch: 0}));
+    }),
+
+    replaceRange: operation(null, function(code, from, to) {
+      var doc = this.view.doc;
+      from = clipPos(doc, from);
+      to = to ? clipPos(doc, to) : from;
+      return replaceRange(this, code, from, to);
+    }),
+
+    getRange: function(from, to, lineSep) {
+      var doc = this.view.doc;
+      from = clipPos(doc, from); to = clipPos(doc, to);
+      var l1 = from.line, l2 = to.line;
+      if (l1 == l2) return getLine(doc, l1).text.slice(from.ch, to.ch);
+      var code = [getLine(doc, l1).text.slice(from.ch)];
+      doc.iter(l1 + 1, l2, function(line) { code.push(line.text); });
+      code.push(getLine(doc, l2).text.slice(0, to.ch));
+      return code.join(lineSep || "\n");
+    },
+
+    triggerOnKeyDown: operation(null, onKeyDown),
+
+    execCommand: function(cmd) {return commands[cmd](this);},
+
+    // Stuff used by commands, probably not much use to outside code.
+    moveH: operation(null, function(dir, unit) {
+      var sel = this.view.sel, pos = dir < 0 ? sel.from : sel.to;
+      if (sel.shift || sel.extend || posEq(sel.from, sel.to)) pos = findPosH(this, dir, unit, true);
+      extendSelection(this, pos, pos, dir);
+    }),
+
+    deleteH: operation(null, function(dir, unit) {
+      var sel = this.view.sel;
+      if (!posEq(sel.from, sel.to)) replaceRange(this, "", sel.from, sel.to, "delete");
+      else replaceRange(this, "", sel.from, findPosH(this, dir, unit, false), "delete");
+      this.curOp.userSelChange = true;
+    }),
+
+    moveV: operation(null, function(dir, unit) {
+      var view = this.view, doc = view.doc, display = this.display;
+      var cur = view.sel.head, pos = cursorCoords(this, cur, "div");
+      var x = pos.left, y;
+      if (view.goalColumn != null) x = view.goalColumn;
+      if (unit == "page") {
+        var pageSize = Math.min(display.wrapper.clientHeight, window.innerHeight || document.documentElement.clientHeight);
+        y = pos.top + dir * pageSize;
+      } else if (unit == "line") {
+        y = dir > 0 ? pos.bottom + 3 : pos.top - 3;
+      }
+      do {
+        var target = coordsChar(this, x, y);
+        y += dir * 5;
+      } while (target.outside && (dir < 0 ? y > 0 : y < doc.height));
+
+      if (unit == "page") display.scrollbarV.scrollTop += charCoords(this, target, "div").top - pos.top;
+      extendSelection(this, target, target, dir);
+      view.goalColumn = x;
+    }),
+
+    toggleOverwrite: function() {
+      if (this.view.overwrite = !this.view.overwrite)
+        this.display.cursor.className += " CodeMirror-overwrite";
+      else
+        this.display.cursor.className = this.display.cursor.className.replace(" CodeMirror-overwrite", "");
+    },
+
+    posFromIndex: function(off) {
+      var lineNo = 0, ch, doc = this.view.doc;
+      doc.iter(0, doc.size, function(line) {
+        var sz = line.text.length + 1;
+        if (sz > off) { ch = off; return true; }
+        off -= sz;
+        ++lineNo;
+      });
+      return clipPos(doc, {line: lineNo, ch: ch});
+    },
+    indexFromPos: function (coords) {
+      if (coords.line < 0 || coords.ch < 0) return 0;
+      var index = coords.ch;
+      this.view.doc.iter(0, coords.line, function (line) {
+        index += line.text.length + 1;
+      });
+      return index;
+    },
+
+    scrollTo: function(x, y) {
+      if (x != null) this.display.scrollbarH.scrollLeft = this.display.scroller.scrollLeft = x;
+      if (y != null) this.display.scrollbarV.scrollTop = this.display.scroller.scrollTop = y;
+      updateDisplay(this, []);
+    },
+    getScrollInfo: function() {
+      var scroller = this.display.scroller, co = scrollerCutOff;
+      return {left: scroller.scrollLeft, top: scroller.scrollTop,
+              height: scroller.scrollHeight - co, width: scroller.scrollWidth - co,
+              clientHeight: scroller.clientHeight - co, clientWidth: scroller.clientWidth - co};
+    },
+
+    scrollIntoView: function(pos) {
+      if (typeof pos == "number") pos = {line: pos, ch: 0};
+      pos = pos ? clipPos(this.view.doc, pos) : this.view.sel.head;
+      scrollPosIntoView(this, pos);
+    },
+
+    setSize: function(width, height) {
+      function interpret(val) {
+        return typeof val == "number" || /^\d+$/.test(String(val)) ? val + "px" : val;
+      }
+      if (width != null) this.display.wrapper.style.width = interpret(width);
+      if (height != null) this.display.wrapper.style.height = interpret(height);
+      this.refresh();
+    },
+
+    on: function(type, f) {on(this, type, f);},
+    off: function(type, f) {off(this, type, f);},
+
+    operation: function(f){return operation(this, f)();},
+
+    refresh: function() {
+      clearCaches(this);
+      if (this.display.scroller.scrollHeight > this.view.scrollTop)
+        this.display.scrollbarV.scrollTop = this.display.scroller.scrollTop = this.view.scrollTop;
+      updateDisplay(this, true);
+    },
+
+    getInputField: function(){return this.display.input;},
+    getWrapperElement: function(){return this.display.wrapper;},
+    getScrollerElement: function(){return this.display.scroller;},
+    getGutterElement: function(){return this.display.gutters;}
+  };
+
+  // OPTION DEFAULTS
+
+  var optionHandlers = CodeMirror.optionHandlers = {};
+
+  // The default configuration options.
+  var defaults = CodeMirror.defaults = {};
+
+  function option(name, deflt, handle, notOnInit) {
+    CodeMirror.defaults[name] = deflt;
+    if (handle) optionHandlers[name] =
+      notOnInit ? function(cm, val, old) {if (old != Init) handle(cm, val, old);} : handle;
+  }
+
+  var Init = CodeMirror.Init = {toString: function(){return "CodeMirror.Init";}};
+
+  // These two are, on init, called from the constructor because they
+  // have to be initialized before the editor can start at all.
+  option("value", "", function(cm, val) {cm.setValue(val);}, true);
+  option("mode", null, loadMode, true);
+
+  option("indentUnit", 2, loadMode, true);
+  option("indentWithTabs", false);
+  option("smartIndent", true);
+  option("tabSize", 4, function(cm) {
+    loadMode(cm);
+    clearCaches(cm);
+    updateDisplay(cm, true);
+  }, true);
+  option("electricChars", true);
+
+  option("theme", "default", function(cm) {
+    themeChanged(cm);
+    guttersChanged(cm);
+  }, true);
+  option("keyMap", "default", keyMapChanged);
+  option("extraKeys", null);
+
+  option("onKeyEvent", null);
+  option("onDragEvent", null);
+
+  option("lineWrapping", false, wrappingChanged, true);
+  option("gutters", [], function(cm) {
+    setGuttersForLineNumbers(cm.options);
+    guttersChanged(cm);
+  }, true);
+  option("lineNumbers", false, function(cm) {
+    setGuttersForLineNumbers(cm.options);
+    guttersChanged(cm);
+  }, true);
+  option("firstLineNumber", 1, guttersChanged, true);
+  option("lineNumberFormatter", function(integer) {return integer;}, guttersChanged, true);
+  option("showCursorWhenSelecting", false, updateSelection, true);
+  
+  option("readOnly", false, function(cm, val) {
+    if (val == "nocursor") {onBlur(cm); cm.display.input.blur();}
+    else if (!val) resetInput(cm, true);
+  });
+  option("dragDrop", true);
+
+  option("cursorBlinkRate", 530);
+  option("cursorHeight", 1);
+  option("workTime", 100);
+  option("workDelay", 100);
+  option("flattenSpans", true);
+  option("pollInterval", 100);
+  option("undoDepth", 40);
+  option("viewportMargin", 10, function(cm){cm.refresh();}, true);
+
+  option("tabindex", null, function(cm, val) {
+    cm.display.input.tabIndex = val || "";
+  });
+  option("autofocus", null);
+
+  // MODE DEFINITION AND QUERYING
+
+  // Known modes, by name and by MIME
+  var modes = CodeMirror.modes = {}, mimeModes = CodeMirror.mimeModes = {};
+
+  CodeMirror.defineMode = function(name, mode) {
+    if (!CodeMirror.defaults.mode && name != "null") CodeMirror.defaults.mode = name;
+    if (arguments.length > 2) {
+      mode.dependencies = [];
+      for (var i = 2; i < arguments.length; ++i) mode.dependencies.push(arguments[i]);
+    }
+    modes[name] = mode;
+  };
+
+  CodeMirror.defineMIME = function(mime, spec) {
+    mimeModes[mime] = spec;
+  };
+
+  CodeMirror.resolveMode = function(spec) {
+    if (typeof spec == "string" && mimeModes.hasOwnProperty(spec))
+      spec = mimeModes[spec];
+    else if (typeof spec == "string" && /^[\w\-]+\/[\w\-]+\+xml$/.test(spec))
+      return CodeMirror.resolveMode("application/xml");
+    if (typeof spec == "string") return {name: spec};
+    else return spec || {name: "null"};
+  };
+
+  CodeMirror.getMode = function(options, spec) {
+    var spec = CodeMirror.resolveMode(spec);
+    var mfactory = modes[spec.name];
+    if (!mfactory) return CodeMirror.getMode(options, "text/plain");
+    var modeObj = mfactory(options, spec);
+    if (modeExtensions.hasOwnProperty(spec.name)) {
+      var exts = modeExtensions[spec.name];
+      for (var prop in exts) {
+        if (!exts.hasOwnProperty(prop)) continue;
+        if (modeObj.hasOwnProperty(prop)) modeObj["_" + prop] = modeObj[prop];
+        modeObj[prop] = exts[prop];
+      }
+    }
+    modeObj.name = spec.name;
+    return modeObj;
+  };
+
+  CodeMirror.defineMode("null", function() {
+    return {token: function(stream) {stream.skipToEnd();}};
+  });
+  CodeMirror.defineMIME("text/plain", "null");
+
+  var modeExtensions = CodeMirror.modeExtensions = {};
+  CodeMirror.extendMode = function(mode, properties) {
+    var exts = modeExtensions.hasOwnProperty(mode) ? modeExtensions[mode] : (modeExtensions[mode] = {});
+    for (var prop in properties) if (properties.hasOwnProperty(prop))
+      exts[prop] = properties[prop];
+  };
+
+  // EXTENSIONS
+
+  CodeMirror.defineExtension = function(name, func) {
+    CodeMirror.prototype[name] = func;
+  };
+
+  CodeMirror.defineOption = option;
+
+  var initHooks = [];
+  CodeMirror.defineInitHook = function(f) {initHooks.push(f);};
+
+  // MODE STATE HANDLING
+
+  // Utility functions for working with state. Exported because modes
+  // sometimes need to do this.
+  function copyState(mode, state) {
+    if (state === true) return state;
+    if (mode.copyState) return mode.copyState(state);
+    var nstate = {};
+    for (var n in state) {
+      var val = state[n];
+      if (val instanceof Array) val = val.concat([]);
+      nstate[n] = val;
+    }
+    return nstate;
+  }
+  CodeMirror.copyState = copyState;
+
+  function startState(mode, a1, a2) {
+    return mode.startState ? mode.startState(a1, a2) : true;
+  }
+  CodeMirror.startState = startState;
+
+  CodeMirror.innerMode = function(mode, state) {
+    while (mode.innerMode) {
+      var info = mode.innerMode(state);
+      state = info.state;
+      mode = info.mode;
+    }
+    return info || {mode: mode, state: state};
+  };
+
+  // STANDARD COMMANDS
+
+  var commands = CodeMirror.commands = {
+    selectAll: function(cm) {cm.setSelection({line: 0, ch: 0}, {line: cm.lineCount() - 1});},
+    killLine: function(cm) {
+      var from = cm.getCursor(true), to = cm.getCursor(false), sel = !posEq(from, to);
+      if (!sel && cm.getLine(from.line).length == from.ch)
+        cm.replaceRange("", from, {line: from.line + 1, ch: 0}, "delete");
+      else cm.replaceRange("", from, sel ? to : {line: from.line}, "delete");
+    },
+    deleteLine: function(cm) {
+      var l = cm.getCursor().line;
+      cm.replaceRange("", {line: l, ch: 0}, {line: l}, "delete");
+    },
+    undo: function(cm) {cm.undo();},
+    redo: function(cm) {cm.redo();},
+    goDocStart: function(cm) {cm.extendSelection({line: 0, ch: 0});},
+    goDocEnd: function(cm) {cm.extendSelection({line: cm.lineCount() - 1});},
+    goLineStart: function(cm) {
+      cm.extendSelection(lineStart(cm, cm.getCursor().line));
+    },
+    goLineStartSmart: function(cm) {
+      var cur = cm.getCursor(), start = lineStart(cm, cur.line);
+      var line = cm.getLineHandle(start.line);
+      var order = getOrder(line);
+      if (!order || order[0].level == 0) {
+        var firstNonWS = Math.max(0, line.text.search(/\S/));
+        var inWS = cur.line == start.line && cur.ch <= firstNonWS && cur.ch;
+        cm.extendSelection({line: start.line, ch: inWS ? 0 : firstNonWS});
+      } else cm.extendSelection(start);
+    },
+    goLineEnd: function(cm) {
+      cm.extendSelection(lineEnd(cm, cm.getCursor().line));
+    },
+    goLineUp: function(cm) {cm.moveV(-1, "line");},
+    goLineDown: function(cm) {cm.moveV(1, "line");},
+    goPageUp: function(cm) {cm.moveV(-1, "page");},
+    goPageDown: function(cm) {cm.moveV(1, "page");},
+    goCharLeft: function(cm) {cm.moveH(-1, "char");},
+    goCharRight: function(cm) {cm.moveH(1, "char");},
+    goColumnLeft: function(cm) {cm.moveH(-1, "column");},
+    goColumnRight: function(cm) {cm.moveH(1, "column");},
+    goWordLeft: function(cm) {cm.moveH(-1, "word");},
+    goWordRight: function(cm) {cm.moveH(1, "word");},
+    delCharBefore: function(cm) {cm.deleteH(-1, "char");},
+    delCharAfter: function(cm) {cm.deleteH(1, "char");},
+    delWordBefore: function(cm) {cm.deleteH(-1, "word");},
+    delWordAfter: function(cm) {cm.deleteH(1, "word");},
+    indentAuto: function(cm) {cm.indentSelection("smart");},
+    indentMore: function(cm) {cm.indentSelection("add");},
+    indentLess: function(cm) {cm.indentSelection("subtract");},
+    insertTab: function(cm) {cm.replaceSelection("\t", "end", "input");},
+    defaultTab: function(cm) {
+      if (cm.somethingSelected()) cm.indentSelection("add");
+      else cm.replaceSelection("\t", "end", "input");
+    },
+    transposeChars: function(cm) {
+      var cur = cm.getCursor(), line = cm.getLine(cur.line);
+      if (cur.ch > 0 && cur.ch < line.length - 1)
+        cm.replaceRange(line.charAt(cur.ch) + line.charAt(cur.ch - 1),
+                        {line: cur.line, ch: cur.ch - 1}, {line: cur.line, ch: cur.ch + 1});
+    },
+    newlineAndIndent: function(cm) {
+      operation(cm, function() {
+        cm.replaceSelection("\n", "end", "input");
+        cm.indentLine(cm.getCursor().line, null, true);
+      })();
+    },
+    toggleOverwrite: function(cm) {cm.toggleOverwrite();}
+  };
+
+  // STANDARD KEYMAPS
+
+  var keyMap = CodeMirror.keyMap = {};
+  keyMap.basic = {
+    "Left": "goCharLeft", "Right": "goCharRight", "Up": "goLineUp", "Down": "goLineDown",
+    "End": "goLineEnd", "Home": "goLineStartSmart", "PageUp": "goPageUp", "PageDown": "goPageDown",
+    "Delete": "delCharAfter", "Backspace": "delCharBefore", "Tab": "defaultTab", "Shift-Tab": "indentAuto",
+    "Enter": "newlineAndIndent", "Insert": "toggleOverwrite"
+  };
+  // Note that the save and find-related commands aren't defined by
+  // default. Unknown commands are simply ignored.
+  keyMap.pcDefault = {
+    "Ctrl-A": "selectAll", "Ctrl-D": "deleteLine", "Ctrl-Z": "undo", "Shift-Ctrl-Z": "redo", "Ctrl-Y": "redo",
+    "Ctrl-Home": "goDocStart", "Alt-Up": "goDocStart", "Ctrl-End": "goDocEnd", "Ctrl-Down": "goDocEnd",
+    "Ctrl-Left": "goWordLeft", "Ctrl-Right": "goWordRight", "Alt-Left": "goLineStart", "Alt-Right": "goLineEnd",
+    "Ctrl-Backspace": "delWordBefore", "Ctrl-Delete": "delWordAfter", "Ctrl-S": "save", "Ctrl-F": "find",
+    "Ctrl-G": "findNext", "Shift-Ctrl-G": "findPrev", "Shift-Ctrl-F": "replace", "Shift-Ctrl-R": "replaceAll",
+    "Ctrl-[": "indentLess", "Ctrl-]": "indentMore",
+    fallthrough: "basic"
+  };
+  keyMap.macDefault = {
+    "Cmd-A": "selectAll", "Cmd-D": "deleteLine", "Cmd-Z": "undo", "Shift-Cmd-Z": "redo", "Cmd-Y": "redo",
+    "Cmd-Up": "goDocStart", "Cmd-End": "goDocEnd", "Cmd-Down": "goDocEnd", "Alt-Left": "goWordLeft",
+    "Alt-Right": "goWordRight", "Cmd-Left": "goLineStart", "Cmd-Right": "goLineEnd", "Alt-Backspace": "delWordBefore",
+    "Ctrl-Alt-Backspace": "delWordAfter", "Alt-Delete": "delWordAfter", "Cmd-S": "save", "Cmd-F": "find",
+    "Cmd-G": "findNext", "Shift-Cmd-G": "findPrev", "Cmd-Alt-F": "replace", "Shift-Cmd-Alt-F": "replaceAll",
+    "Cmd-[": "indentLess", "Cmd-]": "indentMore",
+    fallthrough: ["basic", "emacsy"]
+  };
+  keyMap["default"] = mac ? keyMap.macDefault : keyMap.pcDefault;
+  keyMap.emacsy = {
+    "Ctrl-F": "goCharRight", "Ctrl-B": "goCharLeft", "Ctrl-P": "goLineUp", "Ctrl-N": "goLineDown",
+    "Alt-F": "goWordRight", "Alt-B": "goWordLeft", "Ctrl-A": "goLineStart", "Ctrl-E": "goLineEnd",
+    "Ctrl-V": "goPageDown", "Shift-Ctrl-V": "goPageUp", "Ctrl-D": "delCharAfter", "Ctrl-H": "delCharBefore",
+    "Alt-D": "delWordAfter", "Alt-Backspace": "delWordBefore", "Ctrl-K": "killLine", "Ctrl-T": "transposeChars"
+  };
+
+  // KEYMAP DISPATCH
+
+  function getKeyMap(val) {
+    if (typeof val == "string") return keyMap[val];
+    else return val;
+  }
+
+  function lookupKey(name, maps, handle, stop) {
+    function lookup(map) {
+      map = getKeyMap(map);
+      var found = map[name];
+      if (found === false) {
+        if (stop) stop();
+        return true;
+      }
+      if (found != null && handle(found)) return true;
+      if (map.nofallthrough) {
+        if (stop) stop();
+        return true;
+      }
+      var fallthrough = map.fallthrough;
+      if (fallthrough == null) return false;
+      if (Object.prototype.toString.call(fallthrough) != "[object Array]")
+        return lookup(fallthrough);
+      for (var i = 0, e = fallthrough.length; i < e; ++i) {
+        if (lookup(fallthrough[i])) return true;
+      }
+      return false;
+    }
+
+    for (var i = 0; i < maps.length; ++i)
+      if (lookup(maps[i])) return true;
+  }
+  function isModifierKey(event) {
+    var name = keyNames[e_prop(event, "keyCode")];
+    return name == "Ctrl" || name == "Alt" || name == "Shift" || name == "Mod";
+  }
+  CodeMirror.isModifierKey = isModifierKey;
+
+  // FROMTEXTAREA
+
+  CodeMirror.fromTextArea = function(textarea, options) {
+    if (!options) options = {};
+    options.value = textarea.value;
+    if (!options.tabindex && textarea.tabindex)
+      options.tabindex = textarea.tabindex;
+    // Set autofocus to true if this textarea is focused, or if it has
+    // autofocus and no other element is focused.
+    if (options.autofocus == null) {
+      var hasFocus = document.body;
+      // doc.activeElement occasionally throws on IE
+      try { hasFocus = document.activeElement; } catch(e) {}
+      options.autofocus = hasFocus == textarea ||
+        textarea.getAttribute("autofocus") != null && hasFocus == document.body;
+    }
+
+    function save() {textarea.value = cm.getValue();}
+    if (textarea.form) {
+      // Deplorable hack to make the submit method do the right thing.
+      on(textarea.form, "submit", save);
+      var form = textarea.form, realSubmit = form.submit;
+      try {
+        form.submit = function wrappedSubmit() {
+          save();
+          form.submit = realSubmit;
+          form.submit();
+          form.submit = wrappedSubmit;
+        };
+      } catch(e) {}
+    }
+
+    textarea.style.display = "none";
+    var cm = CodeMirror(function(node) {
+      textarea.parentNode.insertBefore(node, textarea.nextSibling);
+    }, options);
+    cm.save = save;
+    cm.getTextArea = function() { return textarea; };
+    cm.toTextArea = function() {
+      save();
+      textarea.parentNode.removeChild(cm.getWrapperElement());
+      textarea.style.display = "";
+      if (textarea.form) {
+        off(textarea.form, "submit", save);
+        if (typeof textarea.form.submit == "function")
+          textarea.form.submit = realSubmit;
+      }
+    };
+    return cm;
+  };
+
+  // STRING STREAM
+
+  // Fed to the mode parsers, provides helper functions to make
+  // parsers more succinct.
+
+  // The character stream used by a mode's parser.
+  function StringStream(string, tabSize) {
+    this.pos = this.start = 0;
+    this.string = string;
+    this.tabSize = tabSize || 8;
+  }
+
+  StringStream.prototype = {
+    eol: function() {return this.pos >= this.string.length;},
+    sol: function() {return this.pos == 0;},
+    peek: function() {return this.string.charAt(this.pos) || undefined;},
+    next: function() {
+      if (this.pos < this.string.length)
+        return this.string.charAt(this.pos++);
+    },
+    eat: function(match) {
+      var ch = this.string.charAt(this.pos);
+      if (typeof match == "string") var ok = ch == match;
+      else var ok = ch && (match.test ? match.test(ch) : match(ch));
+      if (ok) {++this.pos; return ch;}
+    },
+    eatWhile: function(match) {
+      var start = this.pos;
+      while (this.eat(match)){}
+      return this.pos > start;
+    },
+    eatSpace: function() {
+      var start = this.pos;
+      while (/[\s\u00a0]/.test(this.string.charAt(this.pos))) ++this.pos;
+      return this.pos > start;
+    },
+    skipToEnd: function() {this.pos = this.string.length;},
+    skipTo: function(ch) {
+      var found = this.string.indexOf(ch, this.pos);
+      if (found > -1) {this.pos = found; return true;}
+    },
+    backUp: function(n) {this.pos -= n;},
+    column: function() {return countColumn(this.string, this.start, this.tabSize);},
+    indentation: function() {return countColumn(this.string, null, this.tabSize);},
+    match: function(pattern, consume, caseInsensitive) {
+      if (typeof pattern == "string") {
+        var cased = function(str) {return caseInsensitive ? str.toLowerCase() : str;};
+        if (cased(this.string).indexOf(cased(pattern), this.pos) == this.pos) {
+          if (consume !== false) this.pos += pattern.length;
+          return true;
+        }
+      } else {
+        var match = this.string.slice(this.pos).match(pattern);
+        if (match && match.index > 0) return null;
+        if (match && consume !== false) this.pos += match[0].length;
+        return match;
+      }
+    },
+    current: function(){return this.string.slice(this.start, this.pos);}
+  };
+  CodeMirror.StringStream = StringStream;
+
+  // TEXTMARKERS
+
+  function TextMarker(cm, type) {
+    this.lines = [];
+    this.type = type;
+    this.cm = cm;
+  }
+
+  TextMarker.prototype.clear = function() {
+    if (this.explicitlyCleared) return;
+    startOperation(this.cm);
+    var min = null, max = null;
+    for (var i = 0; i < this.lines.length; ++i) {
+      var line = this.lines[i];
+      var span = getMarkedSpanFor(line.markedSpans, this);
+      if (span.to != null) max = lineNo(line);
+      line.markedSpans = removeMarkedSpan(line.markedSpans, span);
+      if (span.from != null)
+        min = lineNo(line);
+      else if (this.collapsed && !lineIsHidden(line))
+        updateLineHeight(line, textHeight(this.cm.display));
+    }
+    if (min != null) regChange(this.cm, min, max + 1);
+    this.lines.length = 0;
+    this.explicitlyCleared = true;
+    if (this.collapsed && this.cm.view.cantEdit) {
+      this.cm.view.cantEdit = false;
+      reCheckSelection(this.cm);
+    }
+    endOperation(this.cm);
+    signalLater(this.cm, this, "clear");
+  };
+
+  TextMarker.prototype.find = function() {
+    var from, to;
+    for (var i = 0; i < this.lines.length; ++i) {
+      var line = this.lines[i];
+      var span = getMarkedSpanFor(line.markedSpans, this);
+      if (span.from != null || span.to != null) {
+        var found = lineNo(line);
+        if (span.from != null) from = {line: found, ch: span.from};
+        if (span.to != null) to = {line: found, ch: span.to};
+      }
+    }
+    if (this.type == "bookmark") return from;
+    return from && {from: from, to: to};
+  };
+
+  function markText(cm, from, to, options, type) {
+    var doc = cm.view.doc;
+    var marker = new TextMarker(cm, type);
+    if (type == "range" && !posLess(from, to)) return marker;
+    if (options) for (var opt in options) if (options.hasOwnProperty(opt))
+      marker[opt] = options[opt];
+    if (marker.replacedWith) {
+      marker.collapsed = true;
+      marker.replacedWith = elt("span", [marker.replacedWith], "CodeMirror-widget");
+    }
+    if (marker.collapsed) sawCollapsedSpans = true;
+
+    var curLine = from.line, size = 0, collapsedAtStart, collapsedAtEnd;
+    doc.iter(curLine, to.line + 1, function(line) {
+      var span = {from: null, to: null, marker: marker};
+      size += line.text.length;
+      if (curLine == from.line) {span.from = from.ch; size -= from.ch;}
+      if (curLine == to.line) {span.to = to.ch; size -= line.text.length - to.ch;}
+      if (marker.collapsed) {
+        if (curLine == to.line) collapsedAtEnd = collapsedSpanAt(line, to.ch);
+        if (curLine == from.line) collapsedAtStart = collapsedSpanAt(line, from.ch);
+        else updateLineHeight(line, 0);
+      }
+      addMarkedSpan(line, span);
+      if (marker.collapsed && curLine == from.line && lineIsHidden(line))
+        updateLineHeight(line, 0);
+      ++curLine;
+    });
+
+    if (marker.readOnly) {
+      sawReadOnlySpans = true;
+      if (cm.view.history.done.length || cm.view.history.undone.length)
+        cm.clearHistory();
+    }
+    if (marker.collapsed) {
+      if (collapsedAtStart != collapsedAtEnd)
+        throw new Error("Inserting collapsed marker overlapping an existing one");
+      marker.size = size;
+      marker.atomic = true;
+    }
+    if (marker.className || marker.startStyle || marker.endStyle || marker.collapsed)
+      regChange(cm, from.line, to.line + 1);
+    if (marker.atomic) reCheckSelection(cm);
+    return marker;
+  }
+
+  // TEXTMARKER SPANS
+
+  function getMarkedSpanFor(spans, marker) {
+    if (spans) for (var i = 0; i < spans.length; ++i) {
+      var span = spans[i];
+      if (span.marker == marker) return span;
+    }
+  }
+  function removeMarkedSpan(spans, span) {
+    for (var r, i = 0; i < spans.length; ++i)
+      if (spans[i] != span) (r || (r = [])).push(spans[i]);
+    return r;
+  }
+  function addMarkedSpan(line, span) {
+    line.markedSpans = line.markedSpans ? line.markedSpans.concat([span]) : [span];
+    span.marker.lines.push(line);
+  }
+
+  function markedSpansBefore(old, startCh) {
+    if (old) for (var i = 0, nw; i < old.length; ++i) {
+      var span = old[i], marker = span.marker;
+      var startsBefore = span.from == null || (marker.inclusiveLeft ? span.from <= startCh : span.from < startCh);
+      if (startsBefore || marker.type == "bookmark" && span.from == startCh) {
+        var endsAfter = span.to == null || (marker.inclusiveRight ? span.to >= startCh : span.to > startCh);
+        (nw || (nw = [])).push({from: span.from,
+                                to: endsAfter ? null : span.to,
+                                marker: marker});
+      }
+    }
+    return nw;
+  }
+
+  function markedSpansAfter(old, startCh, endCh) {
+    if (old) for (var i = 0, nw; i < old.length; ++i) {
+      var span = old[i], marker = span.marker;
+      var endsAfter = span.to == null || (marker.inclusiveRight ? span.to >= endCh : span.to > endCh);
+      if (endsAfter || marker.type == "bookmark" && span.from == endCh && span.from != startCh) {
+        var startsBefore = span.from == null || (marker.inclusiveLeft ? span.from <= endCh : span.from < endCh);
+        (nw || (nw = [])).push({from: startsBefore ? null : span.from - endCh,
+                                to: span.to == null ? null : span.to - endCh,
+                                marker: marker});
+      }
+    }
+    return nw;
+  }
+
+  function updateMarkedSpans(oldFirst, oldLast, startCh, endCh, newText) {
+    if (!oldFirst && !oldLast) return newText;
+    // Get the spans that 'stick out' on both sides
+    var first = markedSpansBefore(oldFirst, startCh);
+    var last = markedSpansAfter(oldLast, startCh, endCh);
+
+    // Next, merge those two ends
+    var sameLine = newText.length == 1, offset = lst(newText).length + (sameLine ? startCh : 0);
+    if (first) {
+      // Fix up .to properties of first
+      for (var i = 0; i < first.length; ++i) {
+        var span = first[i];
+        if (span.to == null) {
+          var found = getMarkedSpanFor(last, span.marker);
+          if (!found) span.to = startCh;
+          else if (sameLine) span.to = found.to == null ? null : found.to + offset;
+        }
+      }
+    }
+    if (last) {
+      // Fix up .from in last (or move them into first in case of sameLine)
+      for (var i = 0; i < last.length; ++i) {
+        var span = last[i];
+        if (span.to != null) span.to += offset;
+        if (span.from == null) {
+          var found = getMarkedSpanFor(first, span.marker);
+          if (!found) {
+            span.from = offset;
+            if (sameLine) (first || (first = [])).push(span);
+          }
+        } else {
+          span.from += offset;
+          if (sameLine) (first || (first = [])).push(span);
+        }
+      }
+    }
+
+    var newMarkers = [newHL(newText[0], first)];
+    if (!sameLine) {
+      // Fill gap with whole-line-spans
+      var gap = newText.length - 2, gapMarkers;
+      if (gap > 0 && first)
+        for (var i = 0; i < first.length; ++i)
+          if (first[i].to == null)
+            (gapMarkers || (gapMarkers = [])).push({from: null, to: null, marker: first[i].marker});
+      for (var i = 0; i < gap; ++i)
+        newMarkers.push(newHL(newText[i+1], gapMarkers));
+      newMarkers.push(newHL(lst(newText), last));
+    }
+    return newMarkers;
+  }
+
+  function removeReadOnlyRanges(doc, from, to) {
+    var markers = null;
+    doc.iter(from.line, to.line + 1, function(line) {
+      if (line.markedSpans) for (var i = 0; i < line.markedSpans.length; ++i) {
+        var mark = line.markedSpans[i].marker;
+        if (mark.readOnly && (!markers || indexOf(markers, mark) == -1))
+          (markers || (markers = [])).push(mark);
+      }
+    });
+    if (!markers) return null;
+    var parts = [{from: from, to: to}];
+    for (var i = 0; i < markers.length; ++i) {
+      var m = markers[i].find();
+      for (var j = 0; j < parts.length; ++j) {
+        var p = parts[j];
+        if (!posLess(m.from, p.to) || posLess(m.to, p.from)) continue;
+        var newParts = [j, 1];
+        if (posLess(p.from, m.from)) newParts.push({from: p.from, to: m.from});
+        if (posLess(m.to, p.to)) newParts.push({from: m.to, to: p.to});
+        parts.splice.apply(parts, newParts);
+        j += newParts.length - 1;
+      }
+    }
+    return parts;
+  }
+
+  function collapsedSpanAt(line, ch) {
+    var sps = sawCollapsedSpans && line.markedSpans, found;
+    if (sps) for (var sp, i = 0; i < sps.length; ++i) {
+      sp = sps[i];
+      if (!sp.marker.collapsed) continue;
+      if ((sp.from == null || sp.from < ch) &&
+          (sp.to == null || sp.to > ch) &&
+          (!found || found.width < sp.marker.width))
+        found = sp.marker;
+    }
+    return found;
+  }
+  function collapsedSpanAtStart(line) { return collapsedSpanAt(line, -1); }
+  function collapsedSpanAtEnd(line) { return collapsedSpanAt(line, line.text.length + 1); }
+
+  function visualLine(doc, line) {
+    var merged;
+    while (merged = collapsedSpanAtStart(line))
+      line = getLine(doc, merged.find().from.line);
+    return line;
+  }
+
+  function lineIsHidden(line) {
+    var sps = sawCollapsedSpans && line.markedSpans;
+    if (sps) for (var sp, i = 0; i < sps.length; ++i) {
+      sp = sps[i];
+      if (!sp.marker.collapsed) continue;
+      if (sp.from == null) return true;
+      if (sp.from == 0 && sp.marker.inclusiveLeft && lineIsHiddenInner(line, sp))
+        return true;
+    }
+  }
+  window.lineIsHidden = lineIsHidden;
+  function lineIsHiddenInner(line, span) {
+    if (span.to == null || span.marker.inclusiveRight && span.to == line.text.length)
+      return true;
+    for (var sp, i = 0; i < line.markedSpans.length; ++i) {
+      sp = line.markedSpans[i];
+      if (sp.marker.collapsed && sp.from == span.to &&
+          (sp.marker.inclusiveLeft || span.marker.inclusiveRight) &&
+          lineIsHiddenInner(line, sp)) return true;
+    }
+  }
+
+  // hl stands for history-line, a data structure that can be either a
+  // string (line without markers) or a {text, markedSpans} object.
+  function hlText(val) { return typeof val == "string" ? val : val.text; }
+  function hlSpans(val) {
+    if (typeof val == "string") return null;
+    var spans = val.markedSpans, out = null;
+    for (var i = 0; i < spans.length; ++i) {
+      if (spans[i].marker.explicitlyCleared) { if (!out) out = spans.slice(0, i); }
+      else if (out) out.push(spans[i]);
+    }
+    return !out ? spans : out.length ? out : null;
+  }
+  function newHL(text, spans) { return spans ? {text: text, markedSpans: spans} : text; }
+
+  function detachMarkedSpans(line) {
+    var spans = line.markedSpans;
+    if (!spans) return;
+    for (var i = 0; i < spans.length; ++i) {
+      var lines = spans[i].marker.lines;
+      var ix = indexOf(lines, line);
+      lines.splice(ix, 1);
+    }
+    line.markedSpans = null;
+  }
+
+  function attachMarkedSpans(line, spans) {
+    if (!spans) return;
+    for (var i = 0; i < spans.length; ++i)
+      spans[i].marker.lines.push(line);
+    line.markedSpans = spans;
+  }
+
+  // LINE DATA STRUCTURE
+
+  // Line objects. These hold state related to a line, including
+  // highlighting info (the styles array).
+  function makeLine(text, markedSpans, height) {
+    var line = {text: text, height: height};
+    attachMarkedSpans(line, markedSpans);
+    if (lineIsHidden(line)) line.height = 0;
+    return line;
+  }
+
+  function updateLine(cm, line, text, markedSpans) {
+    line.text = text;
+    line.stateAfter = line.styles = null;
+    if (line.order != null) line.order = null;
+    detachMarkedSpans(line);
+    attachMarkedSpans(line, markedSpans);
+    if (lineIsHidden(line)) line.height = 0;
+    else if (!line.height) line.height = textHeight(cm.display);
+    signalLater(cm, line, "change");
+  }
+
+  function cleanUpLine(line) {
+    line.parent = null;
+    detachMarkedSpans(line);
+  }
+
+  // Run the given mode's parser over a line, update the styles
+  // array, which contains alternating fragments of text and CSS
+  // classes.
+  function highlightLine(cm, line, state) {
+    var mode = cm.view.mode, flattenSpans = cm.options.flattenSpans;
+    var changed = !line.styles, pos = 0, curText = "", curStyle = null;
+    var stream = new StringStream(line.text, cm.options.tabSize), st = line.styles || (line.styles = []);
+    if (line.text == "" && mode.blankLine) mode.blankLine(state);
+    while (!stream.eol()) {
+      var style = mode.token(stream, state), substr = stream.current();
+      stream.start = stream.pos;
+      if (!flattenSpans || curStyle != style) {
+        if (curText) {
+          changed = changed || pos >= st.length || curText != st[pos] || curStyle != st[pos+1];
+          st[pos++] = curText; st[pos++] = curStyle;
+        }
+        curText = substr; curStyle = style;
+      } else curText = curText + substr;
+      // Give up when line is ridiculously long
+      if (stream.pos > 5000) break;
+    }
+    if (curText) {
+      changed = changed || pos >= st.length || curText != st[pos] || curStyle != st[pos+1];
+      st[pos++] = curText; st[pos++] = curStyle;
+    }
+    if (stream.pos > 5000) { st[pos++] = line.text.slice(stream.pos); st[pos++] = null; }
+    if (pos != st.length) { st.length = pos; changed = true; }
+    return changed;
+  }
+
+  // Lightweight form of highlight -- proceed over this line and
+  // update state, but don't save a style array.
+  function processLine(cm, line, state) {
+    var mode = cm.view.mode;
+    var stream = new StringStream(line.text, cm.options.tabSize);
+    if (line.text == "" && mode.blankLine) mode.blankLine(state);
+    while (!stream.eol() && stream.pos <= 5000) {
+      mode.token(stream, state);
+      stream.start = stream.pos;
+    }
+  }
+
+  var styleToClassCache = {};
+  function styleToClass(style) {
+    if (!style) return null;
+    return styleToClassCache[style] ||
+      (styleToClassCache[style] = "cm-" + style.replace(/ +/g, " cm-"));
+  }
+
+  function lineContent(cm, realLine, measure) {
+    var merged, line = realLine, lineBefore, sawBefore, simple = true;
+    while (merged = collapsedSpanAtStart(line)) {
+      simple = false;
+      line = getLine(cm.view.doc, merged.find().from.line);
+      if (!lineBefore) lineBefore = line;
+    }
+
+    var builder = {pre: elt("pre"), col: 0, pos: 0, display: !measure,
+                   measure: null, addedOne: false, cm: cm};
+    if (line.textClass) builder.pre.className = line.textClass;
+
+    do {
+      if (!line.styles)
+        highlightLine(cm, line, line.stateAfter = getStateBefore(cm, lineNo(line)));
+      builder.measure = line == realLine && measure;
+      builder.pos = 0;
+      builder.addToken = builder.measure ? buildTokenMeasure : buildToken;
+      if (measure && sawBefore && line != realLine && !builder.addedOne) {
+        measure[0] = builder.pre.appendChild(zeroWidthElement(cm.display.measure));
+        builder.addedOne = true;
+      }
+      var next = insertLineContent(line, builder);
+      sawBefore = line == lineBefore;
+      if (next) {
+        line = getLine(cm.view.doc, next.to.line);
+        simple = false;
+      }
+    } while (next);
+
+    if (measure && !builder.addedOne)
+      measure[0] = builder.pre.appendChild(simple ? elt("span", "\u00a0") : zeroWidthElement(cm.display.measure));
+    if (!builder.pre.firstChild && !lineIsHidden(realLine))
+      builder.pre.appendChild(document.createTextNode("\u00a0"));
+
+    return builder.pre;
+  }
+
+  var tokenSpecialChars = /[\t\u0000-\u0019\u200b\u2028\u2029\uFEFF]/g;
+  function buildToken(builder, text, style, startStyle, endStyle) {
+    if (!text) return;
+    if (!tokenSpecialChars.test(text)) {
+      builder.col += text.length;
+      var content = document.createTextNode(text);
+    } else {
+      var content = document.createDocumentFragment(), pos = 0;
+      while (true) {
+        tokenSpecialChars.lastIndex = pos;
+        var m = tokenSpecialChars.exec(text);
+        var skipped = m ? m.index - pos : text.length - pos;
+        if (skipped) {
+          content.appendChild(document.createTextNode(text.slice(pos, pos + skipped)));
+          builder.col += skipped;
+        }
+        if (!m) break;
+        pos += skipped + 1;
+        if (m[0] == "\t") {
+          var tabSize = builder.cm.options.tabSize, tabWidth = tabSize - builder.col % tabSize;
+          content.appendChild(elt("span", spaceStr(tabWidth), "cm-tab"));
+          builder.col += tabWidth;
+        } else {
+          var token = elt("span", "\u2022", "cm-invalidchar");
+          token.title = "\\u" + m[0].charCodeAt(0).toString(16);
+          content.appendChild(token);
+          builder.col += 1;
+        }
+      }
+    }
+    if (style || startStyle || endStyle || builder.measure) {
+      var fullStyle = style || "";
+      if (startStyle) fullStyle += startStyle;
+      if (endStyle) fullStyle += endStyle;
+      return builder.pre.appendChild(elt("span", [content], fullStyle));
+    }
+    builder.pre.appendChild(content);
+  }
+
+  function buildTokenMeasure(builder, text, style, startStyle, endStyle) {
+    for (var i = 0; i < text.length; ++i) {
+      if (i && i < text.length - 1 &&
+          builder.cm.options.lineWrapping &&
+          spanAffectsWrapping.test(text.slice(i - 1, i + 1)))
+        builder.pre.appendChild(elt("wbr"));
+      builder.measure[builder.pos++] =
+        buildToken(builder, text.charAt(i), style,
+                   i == 0 && startStyle, i == text.length - 1 && endStyle);
+    }
+    if (text.length) builder.addedOne = true;
+  }
+
+  function buildCollapsedSpan(builder, size, widget) {
+    if (widget) {
+      if (!builder.display) widget = widget.cloneNode(true);
+      builder.pre.appendChild(widget);
+      if (builder.measure && size) {
+        builder.measure[builder.pos] = widget;
+        builder.addedOne = true;
+      }
+    }
+    builder.pos += size;
+  }
+
+  // Outputs a number of spans to make up a line, taking highlighting
+  // and marked text into account.
+  function insertLineContent(line, builder) {
+    var st = line.styles, spans = line.markedSpans;
+    if (!spans) {
+      for (var i = 0; i < st.length; i+=2)
+        builder.addToken(builder, st[i], styleToClass(st[i+1]));
+      return;
+    }
+
+    var allText = line.text, len = allText.length;
+    var pos = 0, i = 0, text = "", style;
+    var nextChange = 0, spanStyle, spanEndStyle, spanStartStyle, collapsed;
+    for (;;) {
+      if (nextChange == pos) { // Update current marker set
+        spanStyle = spanEndStyle = spanStartStyle = "";
+        collapsed = null; nextChange = Infinity;
+        var foundBookmark = null;
+        for (var j = 0; j < spans.length; ++j) {
+          var sp = spans[j], m = sp.marker;
+          if (sp.from <= pos && (sp.to == null || sp.to > pos)) {
+            if (sp.to != null && nextChange > sp.to) { nextChange = sp.to; spanEndStyle = ""; }
+            if (m.className) spanStyle += " " + m.className;
+            if (m.startStyle && sp.from == pos) spanStartStyle += " " + m.startStyle;
+            if (m.endStyle && sp.to == nextChange) spanEndStyle += " " + m.endStyle;
+            if (m.collapsed && (!collapsed || collapsed.marker.width < m.width))
+              collapsed = sp;
+          } else if (sp.from > pos && nextChange > sp.from) {
+            nextChange = sp.from;
+          }
+          if (m.type == "bookmark" && sp.from == pos && m.replacedWith)
+            foundBookmark = m.replacedWith;
+        }
+        if (collapsed && (collapsed.from || 0) == pos) {
+          buildCollapsedSpan(builder, (collapsed.to == null ? len : collapsed.to) - pos,
+                             collapsed.from != null && collapsed.marker.replacedWith);
+          if (collapsed.to == null) return collapsed.marker.find();
+        }
+        if (foundBookmark && !collapsed) buildCollapsedSpan(builder, 0, foundBookmark);
+      }
+      if (pos >= len) break;
+
+      var upto = Math.min(len, nextChange);
+      while (true) {
+        if (text) {
+          var end = pos + text.length;
+          if (!collapsed) {
+            var tokenText = end > upto ? text.slice(0, upto - pos) : text;
+            builder.addToken(builder, tokenText, style + spanStyle,
+                             spanStartStyle, pos + tokenText.length == nextChange ? spanEndStyle : "");
+          }
+          if (end >= upto) {text = text.slice(upto - pos); pos = upto; break;}
+          pos = end;
+          spanStartStyle = "";
+        }
+        text = st[i++]; style = styleToClass(st[i++]);
+      }
+    }
+  }
+
+  // DOCUMENT DATA STRUCTURE
+
+  function LeafChunk(lines) {
+    this.lines = lines;
+    this.parent = null;
+    for (var i = 0, e = lines.length, height = 0; i < e; ++i) {
+      lines[i].parent = this;
+      height += lines[i].height;
+    }
+    this.height = height;
+  }
+
+  LeafChunk.prototype = {
+    chunkSize: function() { return this.lines.length; },
+    remove: function(at, n, cm) {
+      for (var i = at, e = at + n; i < e; ++i) {
+        var line = this.lines[i];
+        this.height -= line.height;
+        cleanUpLine(line);
+        signalLater(cm, line, "delete");
+      }
+      this.lines.splice(at, n);
+    },
+    collapse: function(lines) {
+      lines.splice.apply(lines, [lines.length, 0].concat(this.lines));
+    },
+    insertHeight: function(at, lines, height) {
+      this.height += height;
+      this.lines = this.lines.slice(0, at).concat(lines).concat(this.lines.slice(at));
+      for (var i = 0, e = lines.length; i < e; ++i) lines[i].parent = this;
+    },
+    iterN: function(at, n, op) {
+      for (var e = at + n; at < e; ++at)
+        if (op(this.lines[at])) return true;
+    }
+  };
+
+  function BranchChunk(children) {
+    this.children = children;
+    var size = 0, height = 0;
+    for (var i = 0, e = children.length; i < e; ++i) {
+      var ch = children[i];
+      size += ch.chunkSize(); height += ch.height;
+      ch.parent = this;
+    }
+    this.size = size;
+    this.height = height;
+    this.parent = null;
+  }
+
+  BranchChunk.prototype = {
+    chunkSize: function() { return this.size; },
+    remove: function(at, n, callbacks) {
+      this.size -= n;
+      for (var i = 0; i < this.children.length; ++i) {
+        var child = this.children[i], sz = child.chunkSize();
+        if (at < sz) {
+          var rm = Math.min(n, sz - at), oldHeight = child.height;
+          child.remove(at, rm, callbacks);
+          this.height -= oldHeight - child.height;
+          if (sz == rm) { this.children.splice(i--, 1); child.parent = null; }
+          if ((n -= rm) == 0) break;
+          at = 0;
+        } else at -= sz;
+      }
+      if (this.size - n < 25) {
+        var lines = [];
+        this.collapse(lines);
+        this.children = [new LeafChunk(lines)];
+        this.children[0].parent = this;
+      }
+    },
+    collapse: function(lines) {
+      for (var i = 0, e = this.children.length; i < e; ++i) this.children[i].collapse(lines);
+    },
+    insert: function(at, lines) {
+      var height = 0;
+      for (var i = 0, e = lines.length; i < e; ++i) height += lines[i].height;
+      this.insertHeight(at, lines, height);
+    },
+    insertHeight: function(at, lines, height) {
+      this.size += lines.length;
+      this.height += height;
+      for (var i = 0, e = this.children.length; i < e; ++i) {
+        var child = this.children[i], sz = child.chunkSize();
+        if (at <= sz) {
+          child.insertHeight(at, lines, height);
+          if (child.lines && child.lines.length > 50) {
+            while (child.lines.length > 50) {
+              var spilled = child.lines.splice(child.lines.length - 25, 25);
+              var newleaf = new LeafChunk(spilled);
+              child.height -= newleaf.height;
+              this.children.splice(i + 1, 0, newleaf);
+              newleaf.parent = this;
+            }
+            this.maybeSpill();
+          }
+          break;
+        }
+        at -= sz;
+      }
+    },
+    maybeSpill: function() {
+      if (this.children.length <= 10) return;
+      var me = this;
+      do {
+        var spilled = me.children.splice(me.children.length - 5, 5);
+        var sibling = new BranchChunk(spilled);
+        if (!me.parent) { // Become the parent node
+          var copy = new BranchChunk(me.children);
+          copy.parent = me;
+          me.children = [copy, sibling];
+          me = copy;
+        } else {
+          me.size -= sibling.size;
+          me.height -= sibling.height;
+          var myIndex = indexOf(me.parent.children, me);
+          me.parent.children.splice(myIndex + 1, 0, sibling);
+        }
+        sibling.parent = me.parent;
+      } while (me.children.length > 10);
+      me.parent.maybeSpill();
+    },
+    iter: function(from, to, op) { this.iterN(from, to - from, op); },
+    iterN: function(at, n, op) {
+      for (var i = 0, e = this.children.length; i < e; ++i) {
+        var child = this.children[i], sz = child.chunkSize();
+        if (at < sz) {
+          var used = Math.min(n, sz - at);
+          if (child.iterN(at, used, op)) return true;
+          if ((n -= used) == 0) break;
+          at = 0;
+        } else at -= sz;
+      }
+    }
+  };
+
+  // LINE UTILITIES
+
+  function getLine(chunk, n) {
+    while (!chunk.lines) {
+      for (var i = 0;; ++i) {
+        var child = chunk.children[i], sz = child.chunkSize();
+        if (n < sz) { chunk = child; break; }
+        n -= sz;
+      }
+    }
+    return chunk.lines[n];
+  }
+
+  function updateLineHeight(line, height) {
+    var diff = height - line.height;
+    for (var n = line; n; n = n.parent) n.height += diff;
+  }
+
+  function lineNo(line) {
+    if (line.parent == null) return null;
+    var cur = line.parent, no = indexOf(cur.lines, line);
+    for (var chunk = cur.parent; chunk; cur = chunk, chunk = chunk.parent) {
+      for (var i = 0;; ++i) {
+        if (chunk.children[i] == cur) break;
+        no += chunk.children[i].chunkSize();
+      }
+    }
+    return no;
+  }
+
+  function lineAtHeight(chunk, h) {
+    var n = 0;
+    outer: do {
+      for (var i = 0, e = chunk.children.length; i < e; ++i) {
+        var child = chunk.children[i], ch = child.height;
+        if (h < ch) { chunk = child; continue outer; }
+        h -= ch;
+        n += child.chunkSize();
+      }
+      return n;
+    } while (!chunk.lines);
+    for (var i = 0, e = chunk.lines.length; i < e; ++i) {
+      var line = chunk.lines[i], lh = line.height;
+      if (h < lh) break;
+      h -= lh;
+    }
+    return n + i;
+  }
+
+  function heightAtLine(cm, lineObj) {
+    lineObj = visualLine(cm.view.doc, lineObj);
+
+    var h = 0, chunk = lineObj.parent;
+    for (var i = 0; i < chunk.lines.length; ++i) {
+      var line = chunk.lines[i];
+      if (line == lineObj) break;
+      else h += line.height;
+    }
+    for (var p = chunk.parent; p; chunk = p, p = chunk.parent) {
+      for (var i = 0; i < p.children.length; ++i) {
+        var cur = p.children[i];
+        if (cur == chunk) break;
+        else h += cur.height;
+      }
+    }
+    return h;
+  }
+
+  function getOrder(line) {
+    var order = line.order;
+    if (order == null) order = line.order = bidiOrdering(line.text);
+    return order;
+  }
+
+  // HISTORY
+
+  function makeHistory() {
+    return {
+      // Arrays of history events. Doing something adds an event to
+      // done and clears undo. Undoing moves events from done to
+      // undone, redoing moves them in the other direction.
+      done: [], undone: [],
+      // Used to track when changes can be merged into a single undo
+      // event
+      lastTime: 0, lastOp: null, lastOrigin: null,
+      // Used by the isClean() method
+      dirtyCounter: 0
+    };
+  }
+
+  function addChange(cm, start, added, old, origin, fromBefore, toBefore, fromAfter, toAfter) {
+    var history = cm.view.history;
+    history.undone.length = 0;
+    var time = +new Date, cur = lst(history.done);
+    
+    if (cur &&
+        (history.lastOp == cm.curOp.id ||
+         history.lastOrigin == origin && (origin == "input" || origin == "delete") &&
+         history.lastTime > time - 600)) {
+      // Merge this change into the last event
+      var last = lst(cur.events);
+      if (last.start > start + old.length || last.start + last.added < start) {
+        // Doesn't intersect with last sub-event, add new sub-event
+        cur.events.push({start: start, added: added, old: old});
+      } else {
+        // Patch up the last sub-event
+        var startBefore = Math.max(0, last.start - start),
+        endAfter = Math.max(0, (start + old.length) - (last.start + last.added));
+        for (var i = startBefore; i > 0; --i) last.old.unshift(old[i - 1]);
+        for (var i = endAfter; i > 0; --i) last.old.push(old[old.length - i]);
+        if (startBefore) last.start = start;
+        last.added += added - (old.length - startBefore - endAfter);
+      }
+      cur.fromAfter = fromAfter; cur.toAfter = toAfter;
+    } else {
+      // Can not be merged, start a new event.
+      cur = {events: [{start: start, added: added, old: old}],
+             fromBefore: fromBefore, toBefore: toBefore, fromAfter: fromAfter, toAfter: toAfter};
+      history.done.push(cur);
+      while (history.done.length > cm.options.undoDepth)
+        history.done.shift();
+      if (history.dirtyCounter < 0)
+          // The user has made a change after undoing past the last clean state. 
+          // We can never get back to a clean state now until markClean() is called.
+          history.dirtyCounter = NaN;
+      else
+        history.dirtyCounter++;
+    }
+    history.lastTime = time;
+    history.lastOp = cm.curOp.id;
+    history.lastOrigin = origin;
+  }
+
+  // EVENT OPERATORS
+
+  function stopMethod() {e_stop(this);}
+  // Ensure an event has a stop method.
+  function addStop(event) {
+    if (!event.stop) event.stop = stopMethod;
+    return event;
+  }
+
+  function e_preventDefault(e) {
+    if (e.preventDefault) e.preventDefault();
+    else e.returnValue = false;
+  }
+  function e_stopPropagation(e) {
+    if (e.stopPropagation) e.stopPropagation();
+    else e.cancelBubble = true;
+  }
+  function e_stop(e) {e_preventDefault(e); e_stopPropagation(e);}
+  CodeMirror.e_stop = e_stop;
+  CodeMirror.e_preventDefault = e_preventDefault;
+  CodeMirror.e_stopPropagation = e_stopPropagation;
+
+  function e_target(e) {return e.target || e.srcElement;}
+  function e_button(e) {
+    var b = e.which;
+    if (b == null) {
+      if (e.button & 1) b = 1;
+      else if (e.button & 2) b = 3;
+      else if (e.button & 4) b = 2;
+    }
+    if (mac && e.ctrlKey && b == 1) b = 3;
+    return b;
+  }
+
+  // Allow 3rd-party code to override event properties by adding an override
+  // object to an event object.
+  function e_prop(e, prop) {
+    var overridden = e.override && e.override.hasOwnProperty(prop);
+    return overridden ? e.override[prop] : e[prop];
+  }
+
+  // EVENT HANDLING
+
+  function on(emitter, type, f) {
+    if (emitter.addEventListener)
+      emitter.addEventListener(type, f, false);
+    else if (emitter.attachEvent)
+      emitter.attachEvent("on" + type, f);
+    else {
+      var map = emitter._handlers || (emitter._handlers = {});
+      var arr = map[type] || (map[type] = []);
+      arr.push(f);
+    }
+  }
+
+  function off(emitter, type, f) {
+    if (emitter.removeEventListener)
+      emitter.removeEventListener(type, f, false);
+    else if (emitter.detachEvent)
+      emitter.detachEvent("on" + type, f);
+    else {
+      var arr = emitter._handlers && emitter._handlers[type];
+      if (!arr) return;
+      for (var i = 0; i < arr.length; ++i)
+        if (arr[i] == f) { arr.splice(i, 1); break; }
+    }
+  }
+
+  function signal(emitter, type /*, values...*/) {
+    var arr = emitter._handlers && emitter._handlers[type];
+    if (!arr) return;
+    var args = Array.prototype.slice.call(arguments, 2);
+    for (var i = 0; i < arr.length; ++i) arr[i].apply(null, args);
+  }
+
+  function signalLater(cm, emitter, type /*, values...*/) {
+    var arr = emitter._handlers && emitter._handlers[type];
+    if (!arr) return;
+    var args = Array.prototype.slice.call(arguments, 3), flist = cm.curOp && cm.curOp.delayedCallbacks;
+    function bnd(f) {return function(){f.apply(null, args);};};
+    for (var i = 0; i < arr.length; ++i)
+      if (flist) flist.push(bnd(arr[i]));
+      else arr[i].apply(null, args);
+  }
+
+  function hasHandler(emitter, type) {
+    var arr = emitter._handlers && emitter._handlers[type];
+    return arr && arr.length > 0;
+  }
+
+  CodeMirror.on = on; CodeMirror.off = off; CodeMirror.signal = signal;
+
+  // MISC UTILITIES
+
+  // Number of pixels added to scroller and sizer to hide scrollbar
+  var scrollerCutOff = 30;
+
+  // Returned or thrown by various protocols to signal 'I'm not
+  // handling this'.
+  var Pass = CodeMirror.Pass = {toString: function(){return "CodeMirror.Pass";}};
+
+  function Delayed() {this.id = null;}
+  Delayed.prototype = {set: function(ms, f) {clearTimeout(this.id); this.id = setTimeout(f, ms);}};
+
+  // Counts the column offset in a string, taking tabs into account.
+  // Used mostly to find indentation.
+  function countColumn(string, end, tabSize) {
+    if (end == null) {
+      end = string.search(/[^\s\u00a0]/);
+      if (end == -1) end = string.length;
+    }
+    for (var i = 0, n = 0; i < end; ++i) {
+      if (string.charAt(i) == "\t") n += tabSize - (n % tabSize);
+      else ++n;
+    }
+    return n;
+  }
+  CodeMirror.countColumn = countColumn;
+
+  var spaceStrs = [""];
+  function spaceStr(n) {
+    while (spaceStrs.length <= n)
+      spaceStrs.push(lst(spaceStrs) + " ");
+    return spaceStrs[n];
+  }
+
+  function lst(arr) { return arr[arr.length-1]; }
+
+  function selectInput(node) {
+    if (ios) { // Mobile Safari apparently has a bug where select() is broken.
+      node.selectionStart = 0;
+      node.selectionEnd = node.value.length;
+    } else node.select();
+  }
+
+  function indexOf(collection, elt) {
+    if (collection.indexOf) return collection.indexOf(elt);
+    for (var i = 0, e = collection.length; i < e; ++i)
+      if (collection[i] == elt) return i;
+    return -1;
+  }
+
+  function emptyArray(size) {
+    for (var a = [], i = 0; i < size; ++i) a.push(undefined);
+    return a;
+  }
+
+  function bind(f) {
+    var args = Array.prototype.slice.call(arguments, 1);
+    return function(){return f.apply(null, args);};
+  }
+
+  var nonASCIISingleCaseWordChar = /[\u3040-\u309f\u30a0-\u30ff\u3400-\u4db5\u4e00-\u9fcc]/;
+  function isWordChar(ch) {
+    return /\w/.test(ch) || ch > "\x80" &&
+      (ch.toUpperCase() != ch.toLowerCase() || nonASCIISingleCaseWordChar.test(ch));
+  }
+
+  function isEmpty(obj) {
+    var c = 0;
+    for (var n in obj) if (obj.hasOwnProperty(n) && obj[n]) ++c;
+    return !c;
+  }
+
+  var isExtendingChar = /[\u0300-\u036F\u0483-\u0487\u0488-\u0489\u0591-\u05BD\u05BF\u05C1-\u05C2\u05C4-\u05C5\u05C7\u0610-\u061A\u064B-\u065F\u0670\u06D6-\u06DC\u06DF-\u06E4\u06E7-\u06E8\u06EA-\u06ED\uA66F\uA670-\uA672\uA674-\uA67D\uA69F]/;
+
+  // DOM UTILITIES
+
+  function elt(tag, content, className, style) {
+    var e = document.createElement(tag);
+    if (className) e.className = className;
+    if (style) e.style.cssText = style;
+    if (typeof content == "string") setTextContent(e, content);
+    else if (content) for (var i = 0; i < content.length; ++i) e.appendChild(content[i]);
+    return e;
+  }
+
+  function removeChildren(e) {
+    e.innerHTML = "";
+    return e;
+  }
+
+  function removeChildrenAndAdd(parent, e) {
+    return removeChildren(parent).appendChild(e);
+  }
+
+  function setTextContent(e, str) {
+    if (ie_lt9) {
+      e.innerHTML = "";
+      e.appendChild(document.createTextNode(str));
+    } else e.textContent = str;
+  }
+
+  // FEATURE DETECTION
+
+  // Detect drag-and-drop
+  var dragAndDrop = function() {
+    // There is *some* kind of drag-and-drop support in IE6-8, but I
+    // couldn't get it to work yet.
+    if (ie_lt9) return false;
+    var div = elt('div');
+    return "draggable" in div || "dragDrop" in div;
+  }();
+
+  // For a reason I have yet to figure out, some browsers disallow
+  // word wrapping between certain characters *only* if a new inline
+  // element is started between them. This makes it hard to reliably
+  // measure the position of things, since that requires inserting an
+  // extra span. This terribly fragile set of regexps matches the
+  // character combinations that suffer from this phenomenon on the
+  // various browsers.
+  var spanAffectsWrapping = /^$/; // Won't match any two-character string
+  if (gecko) spanAffectsWrapping = /$'/;
+  else if (safari) spanAffectsWrapping = /\-[^ \-?]|\?[^ !'\"\),.\-\/:;\?\]\}]/;
+  else if (chrome) spanAffectsWrapping = /\-[^ \-\.?]|\?[^ \-\.?\]\}:;!'\"\),\/]|[\.!\"#&%\)*+,:;=>\]|\}~][\(\{\[<]|\$'/;
+
+  var knownScrollbarWidth;
+  function scrollbarWidth(measure) {
+    if (knownScrollbarWidth != null) return knownScrollbarWidth;
+    var test = elt("div", null, null, "width: 50px; height: 50px; overflow-x: scroll");
+    removeChildrenAndAdd(measure, test);
+    if (test.offsetWidth)
+      knownScrollbarWidth = test.offsetHeight - test.clientHeight;
+    return knownScrollbarWidth || 0;
+  }
+
+  var zwspSupported;
+  function zeroWidthElement(measure) {
+    if (zwspSupported == null) {
+      var test = elt("span", "\u200b");
+      removeChildrenAndAdd(measure, elt("span", [test, document.createTextNode("x")]));
+      if (measure.firstChild.offsetHeight != 0)
+        zwspSupported = test.offsetWidth <= 1 && test.offsetHeight > 2 && !ie_lt8;
+    }
+    if (zwspSupported) return elt("span", "\u200b");
+    else return elt("span", "\u00a0", null, "display: inline-block; width: 1px; margin-right: -1px");
+  }
+
+  // See if "".split is the broken IE version, if so, provide an
+  // alternative way to split lines.
+  var splitLines = "\n\nb".split(/\n/).length != 3 ? function(string) {
+    var pos = 0, result = [], l = string.length;
+    while (pos <= l) {
+      var nl = string.indexOf("\n", pos);
+      if (nl == -1) nl = string.length;
+      var line = string.slice(pos, string.charAt(nl - 1) == "\r" ? nl - 1 : nl);
+      var rt = line.indexOf("\r");
+      if (rt != -1) {
+        result.push(line.slice(0, rt));
+        pos += rt + 1;
+      } else {
+        result.push(line);
+        pos = nl + 1;
+      }
+    }
+    return result;
+  } : function(string){return string.split(/\r\n?|\n/);};
+  CodeMirror.splitLines = splitLines;
+
+  var hasSelection = window.getSelection ? function(te) {
+    try { return te.selectionStart != te.selectionEnd; }
+    catch(e) { return false; }
+  } : function(te) {
+    try {var range = te.ownerDocument.selection.createRange();}
+    catch(e) {}
+    if (!range || range.parentElement() != te) return false;
+    return range.compareEndPoints("StartToEnd", range) != 0;
+  };
+
+  var hasCopyEvent = (function() {
+    var e = elt("div");
+    if ("oncopy" in e) return true;
+    e.setAttribute("oncopy", "return;");
+    return typeof e.oncopy == 'function';
+  })();
+
+  // KEY NAMING
+
+  var keyNames = {3: "Enter", 8: "Backspace", 9: "Tab", 13: "Enter", 16: "Shift", 17: "Ctrl", 18: "Alt",
+                  19: "Pause", 20: "CapsLock", 27: "Esc", 32: "Space", 33: "PageUp", 34: "PageDown", 35: "End",
+                  36: "Home", 37: "Left", 38: "Up", 39: "Right", 40: "Down", 44: "PrintScrn", 45: "Insert",
+                  46: "Delete", 59: ";", 91: "Mod", 92: "Mod", 93: "Mod", 109: "-", 107: "=", 127: "Delete",
+                  186: ";", 187: "=", 188: ",", 189: "-", 190: ".", 191: "/", 192: "`", 219: "[", 220: "\\",
+                  221: "]", 222: "'", 63276: "PageUp", 63277: "PageDown", 63275: "End", 63273: "Home",
+                  63234: "Left", 63232: "Up", 63235: "Right", 63233: "Down", 63302: "Insert", 63272: "Delete"};
+  CodeMirror.keyNames = keyNames;
+  (function() {
+    // Number keys
+    for (var i = 0; i < 10; i++) keyNames[i + 48] = String(i);
+    // Alphabetic keys
+    for (var i = 65; i <= 90; i++) keyNames[i] = String.fromCharCode(i);
+    // Function keys
+    for (var i = 1; i <= 12; i++) keyNames[i + 111] = keyNames[i + 63235] = "F" + i;
+  })();
+
+  // BIDI HELPERS
+
+  function iterateBidiSections(order, from, to, f) {
+    if (!order) return f(from, to, "ltr");
+    for (var i = 0; i < order.length; ++i) {
+      var part = order[i];
+      if (part.from < to && part.to > from)
+        f(Math.max(part.from, from), Math.min(part.to, to), part.level == 1 ? "rtl" : "ltr");
+    }
+  }
+
+  function bidiLeft(part) { return part.level % 2 ? part.to : part.from; }
+  function bidiRight(part) { return part.level % 2 ? part.from : part.to; }
+
+  function lineLeft(line) { var order = getOrder(line); return order ? bidiLeft(order[0]) : 0; }
+  function lineRight(line) {
+    var order = getOrder(line);
+    if (!order) return line.text.length;
+    return bidiRight(lst(order));
+  }
+
+  function lineStart(cm, lineN) {
+    var line = getLine(cm.view.doc, lineN);
+    var visual = visualLine(cm.view.doc, line);
+    if (visual != line) lineN = lineNo(visual);
+    var order = getOrder(visual);
+    var ch = !order ? 0 : order[0].level % 2 ? lineRight(visual) : lineLeft(visual);
+    return {line: lineN, ch: ch};
+  }
+  function lineEnd(cm, lineNo) {
+    var merged, line;
+    while (merged = collapsedSpanAtEnd(line = getLine(cm.view.doc, lineNo)))
+      lineNo = merged.find().to.line;
+    var order = getOrder(line);
+    var ch = !order ? line.text.length : order[0].level % 2 ? lineLeft(line) : lineRight(line);
+    return {line: lineNo, ch: ch};
+  }
+
+  // This is somewhat involved. It is needed in order to move
+  // 'visually' through bi-directional text -- i.e., pressing left
+  // should make the cursor go left, even when in RTL text. The
+  // tricky part is the 'jumps', where RTL and LTR text touch each
+  // other. This often requires the cursor offset to move more than
+  // one unit, in order to visually move one unit.
+  function moveVisually(line, start, dir, byUnit) {
+    var bidi = getOrder(line);
+    if (!bidi) return moveLogically(line, start, dir, byUnit);
+    var moveOneUnit = byUnit ? function(pos, dir) {
+      do pos += dir;
+      while (pos > 0 && isExtendingChar.test(line.text.charAt(pos)));
+      return pos;
+    } : function(pos, dir) { return pos + dir; };
+    var linedir = bidi[0].level;
+    for (var i = 0; i < bidi.length; ++i) {
+      var part = bidi[i], sticky = part.level % 2 == linedir;
+      if ((part.from < start && part.to > start) ||
+          (sticky && (part.from == start || part.to == start))) break;
+    }
+    var target = moveOneUnit(start, part.level % 2 ? -dir : dir);
+
+    while (target != null) {
+      if (part.level % 2 == linedir) {
+        if (target < part.from || target > part.to) {
+          part = bidi[i += dir];
+          target = part && (dir > 0 == part.level % 2 ? moveOneUnit(part.to, -1) : moveOneUnit(part.from, 1));
+        } else break;
+      } else {
+        if (target == bidiLeft(part)) {
+          part = bidi[--i];
+          target = part && bidiRight(part);
+        } else if (target == bidiRight(part)) {
+          part = bidi[++i];
+          target = part && bidiLeft(part);
+        } else break;
+      }
+    }
+
+    return target < 0 || target > line.text.length ? null : target;
+  }
+
+  function moveLogically(line, start, dir, byUnit) {
+    var target = start + dir;
+    if (byUnit) while (target > 0 && isExtendingChar.test(line.text.charAt(target))) target += dir;
+    return target < 0 || target > line.text.length ? null : target;
+  }
+
+  // Bidirectional ordering algorithm
+  // See http://unicode.org/reports/tr9/tr9-13.html for the algorithm
+  // that this (partially) implements.
+
+  // One-char codes used for character types:
+  // L (L):   Left-to-Right
+  // R (R):   Right-to-Left
+  // r (AL):  Right-to-Left Arabic
+  // 1 (EN):  European Number
+  // + (ES):  European Number Separator
+  // % (ET):  European Number Terminator
+  // n (AN):  Arabic Number
+  // , (CS):  Common Number Separator
+  // m (NSM): Non-Spacing Mark
+  // b (BN):  Boundary Neutral
+  // s (B):   Paragraph Separator
+  // t (S):   Segment Separator
+  // w (WS):  Whitespace
+  // N (ON):  Other Neutrals
+
+  // Returns null if characters are ordered as they appear
+  // (left-to-right), or an array of sections ({from, to, level}
+  // objects) in the order in which they occur visually.
+  var bidiOrdering = (function() {
+    // Character types for codepoints 0 to 0xff
+    var lowTypes = "bbbbbbbbbtstwsbbbbbbbbbbbbbbssstwNN%%%NNNNNN,N,N1111111111NNNNNNNLLLLLLLLLLLLLLLLLLLLLLLLLLNNNNNNLLLLLLLLLLLLLLLLLLLLLLLLLLNNNNbbbbbbsbbbbbbbbbbbbbbbbbbbbbbbbbb,N%%%%NNNNLNNNNN%%11NLNNN1LNNNNNLLLLLLLLLLLLLLLLLLLLLLLNLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLNLLLLLLLL";
+    // Character types for codepoints 0x600 to 0x6ff
+    var arabicTypes = "rrrrrrrrrrrr,rNNmmmmmmrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrmmmmmmmmmmmmmmrrrrrrrnnnnnnnnnn%nnrrrmrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrmmmmmmmmmmmmmmmmmmmNmmmmrrrrrrrrrrrrrrrrrr";
+    function charType(code) {
+      if (code <= 0xff) return lowTypes.charAt(code);
+      else if (0x590 <= code && code <= 0x5f4) return "R";
+      else if (0x600 <= code && code <= 0x6ff) return arabicTypes.charAt(code - 0x600);
+      else if (0x700 <= code && code <= 0x8ac) return "r";
+      else return "L";
+    }
+
+    var bidiRE = /[\u0590-\u05f4\u0600-\u06ff\u0700-\u08ac]/;
+    var isNeutral = /[stwN]/, isStrong = /[LRr]/, countsAsLeft = /[Lb1n]/, countsAsNum = /[1n]/;
+
+    return function charOrdering(str) {
+      if (!bidiRE.test(str)) return false;
+      var len = str.length, types = [], startType = null;
+      for (var i = 0, type; i < len; ++i) {
+        types.push(type = charType(str.charCodeAt(i)));
+        if (startType == null) {
+          if (type == "L") startType = "L";
+          else if (type == "R" || type == "r") startType = "R";
+        }
+      }
+      if (startType == null) startType = "L";
+
+      // W1. Examine each non-spacing mark (NSM) in the level run, and
+      // change the type of the NSM to the type of the previous
+      // character. If the NSM is at the start of the level run, it will
+      // get the type of sor.
+      for (var i = 0, prev = startType; i < len; ++i) {
+        var type = types[i];
+        if (type == "m") types[i] = prev;
+        else prev = type;
+      }
+
+      // W2. Search backwards from each instance of a European number
+      // until the first strong type (R, L, AL, or sor) is found. If an
+      // AL is found, change the type of the European number to Arabic
+      // number.
+      // W3. Change all ALs to R.
+      for (var i = 0, cur = startType; i < len; ++i) {
+        var type = types[i];
+        if (type == "1" && cur == "r") types[i] = "n";
+        else if (isStrong.test(type)) { cur = type; if (type == "r") types[i] = "R"; }
+      }
+
+      // W4. A single European separator between two European numbers
+      // changes to a European number. A single common separator between
+      // two numbers of the same type changes to that type.
+      for (var i = 1, prev = types[0]; i < len - 1; ++i) {
+        var type = types[i];
+        if (type == "+" && prev == "1" && types[i+1] == "1") types[i] = "1";
+        else if (type == "," && prev == types[i+1] &&
+                 (prev == "1" || prev == "n")) types[i] = prev;
+        prev = type;
+      }
+
+      // W5. A sequence of European terminators adjacent to European
+      // numbers changes to all European numbers.
+      // W6. Otherwise, separators and terminators change to Other
+      // Neutral.
+      for (var i = 0; i < len; ++i) {
+        var type = types[i];
+        if (type == ",") types[i] = "N";
+        else if (type == "%") {
+          for (var end = i + 1; end < len && types[end] == "%"; ++end) {}
+          var replace = (i && types[i-1] == "!") || (end < len - 1 && types[end] == "1") ? "1" : "N";
+          for (var j = i; j < end; ++j) types[j] = replace;
+          i = end - 1;
+        }
+      }
+
+      // W7. Search backwards from each instance of a European number
+      // until the first strong type (R, L, or sor) is found. If an L is
+      // found, then change the type of the European number to L.
+      for (var i = 0, cur = startType; i < len; ++i) {
+        var type = types[i];
+        if (cur == "L" && type == "1") types[i] = "L";
+        else if (isStrong.test(type)) cur = type;
+      }
+
+      // N1. A sequence of neutrals takes the direction of the
+      // surrounding strong text if the text on both sides has the same
+      // direction. European and Arabic numbers act as if they were R in
+      // terms of their influence on neutrals. Start-of-level-run (sor)
+      // and end-of-level-run (eor) are used at level run boundaries.
+      // N2. Any remaining neutrals take the embedding direction.
+      for (var i = 0; i < len; ++i) {
+        if (isNeutral.test(types[i])) {
+          for (var end = i + 1; end < len && isNeutral.test(types[end]); ++end) {}
+          var before = (i ? types[i-1] : startType) == "L";
+          var after = (end < len - 1 ? types[end] : startType) == "L";
+          var replace = before || after ? "L" : "R";
+          for (var j = i; j < end; ++j) types[j] = replace;
+          i = end - 1;
+        }
+      }
+
+      // Here we depart from the documented algorithm, in order to avoid
+      // building up an actual levels array. Since there are only three
+      // levels (0, 1, 2) in an implementation that doesn't take
+      // explicit embedding into account, we can build up the order on
+      // the fly, without following the level-based algorithm.
+      var order = [], m;
+      for (var i = 0; i < len;) {
+        if (countsAsLeft.test(types[i])) {
+          var start = i;
+          for (++i; i < len && countsAsLeft.test(types[i]); ++i) {}
+          order.push({from: start, to: i, level: 0});
+        } else {
+          var pos = i, at = order.length;
+          for (++i; i < len && types[i] != "L"; ++i) {}
+          for (var j = pos; j < i;) {
+            if (countsAsNum.test(types[j])) {
+              if (pos < j) order.splice(at, 0, {from: pos, to: j, level: 1});
+              var nstart = j;
+              for (++j; j < i && countsAsNum.test(types[j]); ++j) {}
+              order.splice(at, 0, {from: nstart, to: j, level: 2});
+              pos = j;
+            } else ++j;
+          }
+          if (pos < i) order.splice(at, 0, {from: pos, to: i, level: 1});
+        }
+      }
+      if (order[0].level == 1 && (m = str.match(/^\s+/))) {
+        order[0].from = m[0].length;
+        order.unshift({from: 0, to: m[0].length, level: 0});
+      }
+      if (lst(order).level == 1 && (m = str.match(/\s+$/))) {
+        lst(order).to -= m[0].length;
+        order.push({from: len - m[0].length, to: len, level: 0});
+      }
+      if (order[0].level != lst(order).level)
+        order.push({from: len, to: len, level: order[0].level});
+
+      return order;
+    };
+  })();
+
+  // THE END
+
+  CodeMirror.version = "3.0";
+
+  return CodeMirror;
+})();
diff -r 1adce93fea0f -r 08ffdc3938e7 dew/src/main/resources/org/apidesign/bck2brwsr/dew/js/codemirror/mode/clike.js
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/dew/src/main/resources/org/apidesign/bck2brwsr/dew/js/codemirror/mode/clike.js	Wed Jan 23 13:18:46 2013 +0100
@@ -0,0 +1,300 @@
+CodeMirror.defineMode("clike", function(config, parserConfig) {
+  var indentUnit = config.indentUnit,
+      statementIndentUnit = parserConfig.statementIndentUnit || indentUnit,
+      keywords = parserConfig.keywords || {},
+      builtin = parserConfig.builtin || {},
+      blockKeywords = parserConfig.blockKeywords || {},
+      atoms = parserConfig.atoms || {},
+      hooks = parserConfig.hooks || {},
+      multiLineStrings = parserConfig.multiLineStrings;
+  var isOperatorChar = /[+\-*&%=<>!?|\/]/;
+
+  var curPunc;
+
+  function tokenBase(stream, state) {
+    var ch = stream.next();
+    if (hooks[ch]) {
+      var result = hooks[ch](stream, state);
+      if (result !== false) return result;
+    }
+    if (ch == '"' || ch == "'") {
+      state.tokenize = tokenString(ch);
+      return state.tokenize(stream, state);
+    }
+    if (/[\[\]{}\(\),;\:\.]/.test(ch)) {
+      curPunc = ch;
+      return null;
+    }
+    if (/\d/.test(ch)) {
+      stream.eatWhile(/[\w\.]/);
+      return "number";
+    }
+    if (ch == "/") {
+      if (stream.eat("*")) {
+        state.tokenize = tokenComment;
+        return tokenComment(stream, state);
+      }
+      if (stream.eat("/")) {
+        stream.skipToEnd();
+        return "comment";
+      }
+    }
+    if (isOperatorChar.test(ch)) {
+      stream.eatWhile(isOperatorChar);
+      return "operator";
+    }
+    stream.eatWhile(/[\w\$_]/);
+    var cur = stream.current();
+    if (keywords.propertyIsEnumerable(cur)) {
+      if (blockKeywords.propertyIsEnumerable(cur)) curPunc = "newstatement";
+      return "keyword";
+    }
+    if (builtin.propertyIsEnumerable(cur)) {
+      if (blockKeywords.propertyIsEnumerable(cur)) curPunc = "newstatement";
+      return "builtin";
+    }
+    if (atoms.propertyIsEnumerable(cur)) return "atom";
+    return "variable";
+  }
+
+  function tokenString(quote) {
+    return function(stream, state) {
+      var escaped = false, next, end = false;
+      while ((next = stream.next()) != null) {
+        if (next == quote && !escaped) {end = true; break;}
+        escaped = !escaped && next == "\\";
+      }
+      if (end || !(escaped || multiLineStrings))
+        state.tokenize = null;
+      return "string";
+    };
+  }
+
+  function tokenComment(stream, state) {
+    var maybeEnd = false, ch;
+    while (ch = stream.next()) {
+      if (ch == "/" && maybeEnd) {
+        state.tokenize = null;
+        break;
+      }
+      maybeEnd = (ch == "*");
+    }
+    return "comment";
+  }
+
+  function Context(indented, column, type, align, prev) {
+    this.indented = indented;
+    this.column = column;
+    this.type = type;
+    this.align = align;
+    this.prev = prev;
+  }
+  function pushContext(state, col, type) {
+    var indent = state.indented;
+    if (state.context && state.context.type == "statement")
+      indent = state.context.indented;
+    return state.context = new Context(indent, col, type, null, state.context);
+  }
+  function popContext(state) {
+    var t = state.context.type;
+    if (t == ")" || t == "]" || t == "}")
+      state.indented = state.context.indented;
+    return state.context = state.context.prev;
+  }
+
+  // Interface
+
+  return {
+    startState: function(basecolumn) {
+      return {
+        tokenize: null,
+        context: new Context((basecolumn || 0) - indentUnit, 0, "top", false),
+        indented: 0,
+        startOfLine: true
+      };
+    },
+
+    token: function(stream, state) {
+      var ctx = state.context;
+      if (stream.sol()) {
+        if (ctx.align == null) ctx.align = false;
+        state.indented = stream.indentation();
+        state.startOfLine = true;
+      }
+      if (stream.eatSpace()) return null;
+      curPunc = null;
+      var style = (state.tokenize || tokenBase)(stream, state);
+      if (style == "comment" || style == "meta") return style;
+      if (ctx.align == null) ctx.align = true;
+
+      if ((curPunc == ";" || curPunc == ":" || curPunc == ",") && ctx.type == "statement") popContext(state);
+      else if (curPunc == "{") pushContext(state, stream.column(), "}");
+      else if (curPunc == "[") pushContext(state, stream.column(), "]");
+      else if (curPunc == "(") pushContext(state, stream.column(), ")");
+      else if (curPunc == "}") {
+        while (ctx.type == "statement") ctx = popContext(state);
+        if (ctx.type == "}") ctx = popContext(state);
+        while (ctx.type == "statement") ctx = popContext(state);
+      }
+      else if (curPunc == ctx.type) popContext(state);
+      else if (((ctx.type == "}" || ctx.type == "top") && curPunc != ';') || (ctx.type == "statement" && curPunc == "newstatement"))
+        pushContext(state, stream.column(), "statement");
+      state.startOfLine = false;
+      return style;
+    },
+
+    indent: function(state, textAfter) {
+      if (state.tokenize != tokenBase && state.tokenize != null) return CodeMirror.Pass;
+      var ctx = state.context, firstChar = textAfter && textAfter.charAt(0);
+      if (ctx.type == "statement" && firstChar == "}") ctx = ctx.prev;
+      var closing = firstChar == ctx.type;
+      if (ctx.type == "statement") return ctx.indented + (firstChar == "{" ? 0 : statementIndentUnit);
+      else if (ctx.align) return ctx.column + (closing ? 0 : 1);
+      else return ctx.indented + (closing ? 0 : indentUnit);
+    },
+
+    electricChars: "{}"
+  };
+});
+
+(function() {
+  function words(str) {
+    var obj = {}, words = str.split(" ");
+    for (var i = 0; i < words.length; ++i) obj[words[i]] = true;
+    return obj;
+  }
+  var cKeywords = "auto if break int case long char register continue return default short do sizeof " +
+    "double static else struct entry switch extern typedef float union for unsigned " +
+    "goto while enum void const signed volatile";
+
+  function cppHook(stream, state) {
+    if (!state.startOfLine) return false;
+    for (;;) {
+      if (stream.skipTo("\\")) {
+        stream.next();
+        if (stream.eol()) {
+          state.tokenize = cppHook;
+          break;
+        }
+      } else {
+        stream.skipToEnd();
+        state.tokenize = null;
+        break;
+      }
+    }
+    return "meta";
+  }
+
+  // C#-style strings where "" escapes a quote.
+  function tokenAtString(stream, state) {
+    var next;
+    while ((next = stream.next()) != null) {
+      if (next == '"' && !stream.eat('"')) {
+        state.tokenize = null;
+        break;
+      }
+    }
+    return "string";
+  }
+
+  function mimes(ms, mode) {
+    for (var i = 0; i < ms.length; ++i) CodeMirror.defineMIME(ms[i], mode);
+  }
+
+  mimes(["text/x-csrc", "text/x-c", "text/x-chdr"], {
+    name: "clike",
+    keywords: words(cKeywords),
+    blockKeywords: words("case do else for if switch while struct"),
+    atoms: words("null"),
+    hooks: {"#": cppHook}
+  });
+  mimes(["text/x-c++src", "text/x-c++hdr"], {
+    name: "clike",
+    keywords: words(cKeywords + " asm dynamic_cast namespace reinterpret_cast try bool explicit new " +
+                    "static_cast typeid catch operator template typename class friend private " +
+                    "this using const_cast inline public throw virtual delete mutable protected " +
+                    "wchar_t"),
+    blockKeywords: words("catch class do else finally for if struct switch try while"),
+    atoms: words("true false null"),
+    hooks: {"#": cppHook}
+  });
+  CodeMirror.defineMIME("text/x-java", {
+    name: "clike",
+    keywords: words("abstract assert boolean break byte case catch char class const continue default " + 
+                    "do double else enum extends final finally float for goto if implements import " +
+                    "instanceof int interface long native new package private protected public " +
+                    "return short static strictfp super switch synchronized this throw throws transient " +
+                    "try void volatile while"),
+    blockKeywords: words("catch class do else finally for if switch try while"),
+    atoms: words("true false null"),
+    hooks: {
+      "@": function(stream) {
+        stream.eatWhile(/[\w\$_]/);
+        return "meta";
+      }
+    }
+  });
+  CodeMirror.defineMIME("text/x-csharp", {
+    name: "clike",
+    keywords: words("abstract as base break case catch checked class const continue" + 
+                    " default delegate do else enum event explicit extern finally fixed for" + 
+                    " foreach goto if implicit in interface internal is lock namespace new" + 
+                    " operator out override params private protected public readonly ref return sealed" + 
+                    " sizeof stackalloc static struct switch this throw try typeof unchecked" + 
+                    " unsafe using virtual void volatile while add alias ascending descending dynamic from get" + 
+                    " global group into join let orderby partial remove select set value var yield"),
+    blockKeywords: words("catch class do else finally for foreach if struct switch try while"),
+    builtin: words("Boolean Byte Char DateTime DateTimeOffset Decimal Double" +
+                    " Guid Int16 Int32 Int64 Object SByte Single String TimeSpan UInt16 UInt32" +
+                    " UInt64 bool byte char decimal double short int long object"  +
+                    " sbyte float string ushort uint ulong"),
+    atoms: words("true false null"),
+    hooks: {
+      "@": function(stream, state) {
+        if (stream.eat('"')) {
+          state.tokenize = tokenAtString;
+          return tokenAtString(stream, state);
+        }
+        stream.eatWhile(/[\w\$_]/);
+        return "meta";
+      }
+    }
+  });
+  CodeMirror.defineMIME("text/x-scala", {
+    name: "clike",
+    keywords: words(
+      
+      /* scala */
+      "abstract case catch class def do else extends false final finally for forSome if " +
+      "implicit import lazy match new null object override package private protected return " +
+      "sealed super this throw trait try trye type val var while with yield _ : = => <- <: " +
+      "<% >: # @ " +
+                    
+      /* package scala */
+      "assert assume require print println printf readLine readBoolean readByte readShort " +
+      "readChar readInt readLong readFloat readDouble " +
+      
+      "AnyVal App Application Array BufferedIterator BigDecimal BigInt Char Console Either " +
+      "Enumeration Equiv Error Exception Fractional Function IndexedSeq Integral Iterable " +
+      "Iterator List Map Numeric Nil NotNull Option Ordered Ordering PartialFunction PartialOrdering " +
+      "Product Proxy Range Responder Seq Serializable Set Specializable Stream StringBuilder " +
+      "StringContext Symbol Throwable Traversable TraversableOnce Tuple Unit Vector :: #:: " +
+      
+      /* package java.lang */            
+      "Boolean Byte Character CharSequence Class ClassLoader Cloneable Comparable " +
+      "Compiler Double Exception Float Integer Long Math Number Object Package Pair Process " +
+      "Runtime Runnable SecurityManager Short StackTraceElement StrictMath String " +
+      "StringBuffer System Thread ThreadGroup ThreadLocal Throwable Triple Void"
+      
+      
+    ),
+    blockKeywords: words("catch class do else finally for forSome if match switch try while"),
+    atoms: words("true false null"),
+    hooks: {
+      "@": function(stream) {
+        stream.eatWhile(/[\w\$_]/);
+        return "meta";
+      }
+    }
+  });
+}());
diff -r 1adce93fea0f -r 08ffdc3938e7 dew/src/main/resources/org/apidesign/bck2brwsr/dew/js/codemirror/mode/xml.js
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/dew/src/main/resources/org/apidesign/bck2brwsr/dew/js/codemirror/mode/xml.js	Wed Jan 23 13:18:46 2013 +0100
@@ -0,0 +1,324 @@
+CodeMirror.defineMode("xml", function(config, parserConfig) {
+  var indentUnit = config.indentUnit;
+  var Kludges = parserConfig.htmlMode ? {
+    autoSelfClosers: {'area': true, 'base': true, 'br': true, 'col': true, 'command': true,
+                      'embed': true, 'frame': true, 'hr': true, 'img': true, 'input': true,
+                      'keygen': true, 'link': true, 'meta': true, 'param': true, 'source': true,
+                      'track': true, 'wbr': true},
+    implicitlyClosed: {'dd': true, 'li': true, 'optgroup': true, 'option': true, 'p': true,
+                       'rp': true, 'rt': true, 'tbody': true, 'td': true, 'tfoot': true,
+                       'th': true, 'tr': true},
+    contextGrabbers: {
+      'dd': {'dd': true, 'dt': true},
+      'dt': {'dd': true, 'dt': true},
+      'li': {'li': true},
+      'option': {'option': true, 'optgroup': true},
+      'optgroup': {'optgroup': true},
+      'p': {'address': true, 'article': true, 'aside': true, 'blockquote': true, 'dir': true,
+            'div': true, 'dl': true, 'fieldset': true, 'footer': true, 'form': true,
+            'h1': true, 'h2': true, 'h3': true, 'h4': true, 'h5': true, 'h6': true,
+            'header': true, 'hgroup': true, 'hr': true, 'menu': true, 'nav': true, 'ol': true,
+            'p': true, 'pre': true, 'section': true, 'table': true, 'ul': true},
+      'rp': {'rp': true, 'rt': true},
+      'rt': {'rp': true, 'rt': true},
+      'tbody': {'tbody': true, 'tfoot': true},
+      'td': {'td': true, 'th': true},
+      'tfoot': {'tbody': true},
+      'th': {'td': true, 'th': true},
+      'thead': {'tbody': true, 'tfoot': true},
+      'tr': {'tr': true}
+    },
+    doNotIndent: {"pre": true},
+    allowUnquoted: true,
+    allowMissing: true
+  } : {
+    autoSelfClosers: {},
+    implicitlyClosed: {},
+    contextGrabbers: {},
+    doNotIndent: {},
+    allowUnquoted: false,
+    allowMissing: false
+  };
+  var alignCDATA = parserConfig.alignCDATA;
+
+  // Return variables for tokenizers
+  var tagName, type;
+
+  function inText(stream, state) {
+    function chain(parser) {
+      state.tokenize = parser;
+      return parser(stream, state);
+    }
+
+    var ch = stream.next();
+    if (ch == "<") {
+      if (stream.eat("!")) {
+        if (stream.eat("[")) {
+          if (stream.match("CDATA[")) return chain(inBlock("atom", "]]>"));
+          else return null;
+        }
+        else if (stream.match("--")) return chain(inBlock("comment", "-->"));
+        else if (stream.match("DOCTYPE", true, true)) {
+          stream.eatWhile(/[\w\._\-]/);
+          return chain(doctype(1));
+        }
+        else return null;
+      }
+      else if (stream.eat("?")) {
+        stream.eatWhile(/[\w\._\-]/);
+        state.tokenize = inBlock("meta", "?>");
+        return "meta";
+      }
+      else {
+        var isClose = stream.eat("/");
+        tagName = "";
+        var c;
+        while ((c = stream.eat(/[^\s\u00a0=<>\"\'\/?]/))) tagName += c;
+        if (!tagName) return "error";
+        type = isClose ? "closeTag" : "openTag";
+        state.tokenize = inTag;
+        return "tag";
+      }
+    }
+    else if (ch == "&") {
+      var ok;
+      if (stream.eat("#")) {
+        if (stream.eat("x")) {
+          ok = stream.eatWhile(/[a-fA-F\d]/) && stream.eat(";");          
+        } else {
+          ok = stream.eatWhile(/[\d]/) && stream.eat(";");
+        }
+      } else {
+        ok = stream.eatWhile(/[\w\.\-:]/) && stream.eat(";");
+      }
+      return ok ? "atom" : "error";
+    }
+    else {
+      stream.eatWhile(/[^&<]/);
+      return null;
+    }
+  }
+
+  function inTag(stream, state) {
+    var ch = stream.next();
+    if (ch == ">" || (ch == "/" && stream.eat(">"))) {
+      state.tokenize = inText;
+      type = ch == ">" ? "endTag" : "selfcloseTag";
+      return "tag";
+    }
+    else if (ch == "=") {
+      type = "equals";
+      return null;
+    }
+    else if (/[\'\"]/.test(ch)) {
+      state.tokenize = inAttribute(ch);
+      return state.tokenize(stream, state);
+    }
+    else {
+      stream.eatWhile(/[^\s\u00a0=<>\"\']/);
+      return "word";
+    }
+  }
+
+  function inAttribute(quote) {
+    return function(stream, state) {
+      while (!stream.eol()) {
+        if (stream.next() == quote) {
+          state.tokenize = inTag;
+          break;
+        }
+      }
+      return "string";
+    };
+  }
+
+  function inBlock(style, terminator) {
+    return function(stream, state) {
+      while (!stream.eol()) {
+        if (stream.match(terminator)) {
+          state.tokenize = inText;
+          break;
+        }
+        stream.next();
+      }
+      return style;
+    };
+  }
+  function doctype(depth) {
+    return function(stream, state) {
+      var ch;
+      while ((ch = stream.next()) != null) {
+        if (ch == "<") {
+          state.tokenize = doctype(depth + 1);
+          return state.tokenize(stream, state);
+        } else if (ch == ">") {
+          if (depth == 1) {
+            state.tokenize = inText;
+            break;
+          } else {
+            state.tokenize = doctype(depth - 1);
+            return state.tokenize(stream, state);
+          }
+        }
+      }
+      return "meta";
+    };
+  }
+
+  var curState, setStyle;
+  function pass() {
+    for (var i = arguments.length - 1; i >= 0; i--) curState.cc.push(arguments[i]);
+  }
+  function cont() {
+    pass.apply(null, arguments);
+    return true;
+  }
+
+  function pushContext(tagName, startOfLine) {
+    var noIndent = Kludges.doNotIndent.hasOwnProperty(tagName) || (curState.context && curState.context.noIndent);
+    curState.context = {
+      prev: curState.context,
+      tagName: tagName,
+      indent: curState.indented,
+      startOfLine: startOfLine,
+      noIndent: noIndent
+    };
+  }
+  function popContext() {
+    if (curState.context) curState.context = curState.context.prev;
+  }
+
+  function element(type) {
+    if (type == "openTag") {
+      curState.tagName = tagName;
+      return cont(attributes, endtag(curState.startOfLine));
+    } else if (type == "closeTag") {
+      var err = false;
+      if (curState.context) {
+        if (curState.context.tagName != tagName) {
+          if (Kludges.implicitlyClosed.hasOwnProperty(curState.context.tagName.toLowerCase())) {
+            popContext();
+          }
+          err = !curState.context || curState.context.tagName != tagName;
+        }
+      } else {
+        err = true;
+      }
+      if (err) setStyle = "error";
+      return cont(endclosetag(err));
+    }
+    return cont();
+  }
+  function endtag(startOfLine) {
+    return function(type) {
+      var tagName = curState.tagName;
+      curState.tagName = null;
+      if (type == "selfcloseTag" ||
+          (type == "endTag" && Kludges.autoSelfClosers.hasOwnProperty(tagName.toLowerCase()))) {
+        maybePopContext(tagName.toLowerCase());
+        return cont();
+      }
+      if (type == "endTag") {
+        maybePopContext(tagName.toLowerCase());
+        pushContext(tagName, startOfLine);
+        return cont();
+      }
+      return cont();
+    };
+  }
+  function endclosetag(err) {
+    return function(type) {
+      if (err) setStyle = "error";
+      if (type == "endTag") { popContext(); return cont(); }
+      setStyle = "error";
+      return cont(arguments.callee);
+    };
+  }
+  function maybePopContext(nextTagName) {
+    var parentTagName;
+    while (true) {
+      if (!curState.context) {
+        return;
+      }
+      parentTagName = curState.context.tagName.toLowerCase();
+      if (!Kludges.contextGrabbers.hasOwnProperty(parentTagName) ||
+          !Kludges.contextGrabbers[parentTagName].hasOwnProperty(nextTagName)) {
+        return;
+      }
+      popContext();
+    }
+  }
+
+  function attributes(type) {
+    if (type == "word") {setStyle = "attribute"; return cont(attribute, attributes);}
+    if (type == "endTag" || type == "selfcloseTag") return pass();
+    setStyle = "error";
+    return cont(attributes);
+  }
+  function attribute(type) {
+    if (type == "equals") return cont(attvalue, attributes);
+    if (!Kludges.allowMissing) setStyle = "error";
+    else if (type == "word") setStyle = "attribute";
+    return (type == "endTag" || type == "selfcloseTag") ? pass() : cont();
+  }
+  function attvalue(type) {
+    if (type == "string") return cont(attvaluemaybe);
+    if (type == "word" && Kludges.allowUnquoted) {setStyle = "string"; return cont();}
+    setStyle = "error";
+    return (type == "endTag" || type == "selfCloseTag") ? pass() : cont();
+  }
+  function attvaluemaybe(type) {
+    if (type == "string") return cont(attvaluemaybe);
+    else return pass();
+  }
+
+  return {
+    startState: function() {
+      return {tokenize: inText, cc: [], indented: 0, startOfLine: true, tagName: null, context: null};
+    },
+
+    token: function(stream, state) {
+      if (stream.sol()) {
+        state.startOfLine = true;
+        state.indented = stream.indentation();
+      }
+      if (stream.eatSpace()) return null;
+
+      setStyle = type = tagName = null;
+      var style = state.tokenize(stream, state);
+      state.type = type;
+      if ((style || type) && style != "comment") {
+        curState = state;
+        while (true) {
+          var comb = state.cc.pop() || element;
+          if (comb(type || style)) break;
+        }
+      }
+      state.startOfLine = false;
+      return setStyle || style;
+    },
+
+    indent: function(state, textAfter, fullLine) {
+      var context = state.context;
+      if ((state.tokenize != inTag && state.tokenize != inText) ||
+          context && context.noIndent)
+        return fullLine ? fullLine.match(/^(\s*)/)[0].length : 0;
+      if (alignCDATA && /<!\[CDATA\[/.test(textAfter)) return 0;
+      if (context && /^<\//.test(textAfter))
+        context = context.prev;
+      while (context && !context.startOfLine)
+        context = context.prev;
+      if (context) return context.indent + indentUnit;
+      else return 0;
+    },
+
+    electricChars: "/",
+
+    configuration: parserConfig.htmlMode ? "html" : "xml"
+  };
+});
+
+CodeMirror.defineMIME("text/xml", "xml");
+CodeMirror.defineMIME("application/xml", "xml");
+if (!CodeMirror.mimeModes.hasOwnProperty("text/html"))
+  CodeMirror.defineMIME("text/html", {name: "xml", htmlMode: true});
diff -r 1adce93fea0f -r 08ffdc3938e7 dew/src/main/resources/org/apidesign/bck2brwsr/dew/js/codemirror/theme/elegant.css
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/dew/src/main/resources/org/apidesign/bck2brwsr/dew/js/codemirror/theme/elegant.css	Wed Jan 23 13:18:46 2013 +0100
@@ -0,0 +1,10 @@
+.cm-s-elegant span.cm-number, .cm-s-elegant span.cm-string, .cm-s-elegant span.cm-atom {color: #762;}
+.cm-s-elegant span.cm-comment {color: #262; font-style: italic; line-height: 1em;}
+.cm-s-elegant span.cm-meta {color: #555; font-style: italic; line-height: 1em;}
+.cm-s-elegant span.cm-variable {color: black;}
+.cm-s-elegant span.cm-variable-2 {color: #b11;}
+.cm-s-elegant span.cm-qualifier {color: #555;}
+.cm-s-elegant span.cm-keyword {color: #730;}
+.cm-s-elegant span.cm-builtin {color: #30a;}
+.cm-s-elegant span.cm-error {background-color: #fdd;}
+.cm-s-elegant span.cm-link {color: #762;}
diff -r 1adce93fea0f -r 08ffdc3938e7 dew/src/main/resources/org/apidesign/bck2brwsr/launcher/harness.xhtml
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/dew/src/main/resources/org/apidesign/bck2brwsr/launcher/harness.xhtml	Wed Jan 23 13:18:46 2013 +0100
@@ -0,0 +1,41 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<!--
+
+    Back 2 Browser Bytecode Translator
+    Copyright (C) 2012 Jaroslav Tulach <jaroslav.tulach@apidesign.org>
+
+    This program is free software: you can redistribute it and/or modify
+    it under the terms of the GNU General Public License as published by
+    the Free Software Foundation, version 2 of the License.
+
+    This program is distributed in the hope that it will be useful,
+    but WITHOUT ANY WARRANTY; without even the implied warranty of
+    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+    GNU General Public License for more details.
+
+    You should have received a copy of the GNU General Public License
+    along with this program. Look for COPYING file in the top folder.
+    If not, see http://opensource.org/licenses/GPL-2.0.
+
+-->
+<!DOCTYPE html>
+<html xmlns="http://www.w3.org/1999/xhtml">
+    <head>
+        <title>Bck2Brwsr Harness</title>
+    </head>
+    <body>
+        <script src="/bck2brwsr.js"></script>
+        <script src="/vm.js"></script>
+        
+        <h1>Bck2Brwsr Execution Harness</h1>
+        
+        <textarea id="bck2brwsr.result" rows="25" style="width: 100%;" disabled="">
+        </textarea>
+
+        <div id="bck2brwsr.fragment"/>
+        
+        <script type="text/javascript">
+            vm.loadClass('org.apidesign.bck2brwsr.launcher.Console').harness__VLjava_lang_String_2('$U/../data');
+        </script>
+    </body>
+</html>
diff -r 1adce93fea0f -r 08ffdc3938e7 dew/src/test/java/org/apidesign/bck2brwsr/dew/CompileTest.java
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/dew/src/test/java/org/apidesign/bck2brwsr/dew/CompileTest.java	Wed Jan 23 13:18:46 2013 +0100
@@ -0,0 +1,45 @@
+/**
+ * Back 2 Browser Bytecode Translator
+ * Copyright (C) 2012 Jaroslav Tulach <jaroslav.tulach@apidesign.org>
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, version 2 of the License.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program. Look for COPYING file in the top folder.
+ * If not, see http://opensource.org/licenses/GPL-2.0.
+ */
+package org.apidesign.bck2brwsr.dew;
+
+import java.io.IOException;
+import static org.testng.Assert.*;
+import org.testng.annotations.Test;
+
+/**
+ *
+ * @author Jaroslav Tulach <jtulach@netbeans.org>
+ */
+public class CompileTest  {
+    @Test public void testCompile() throws IOException {
+        String html = "<html><body>"
+                + " <button id='btn'>Hello!</button>"
+                + "</body></html>";
+        String java = "package x.y.z;"
+                + "import org.apidesign.bck2brwsr.htmlpage.api.*;"
+                + "import static org.apidesign.bck2brwsr.htmlpage.api.OnEvent.*;"
+            + "@Page(xhtml=\"index.html\", className=\"Index\")"
+            + "class X { "
+            + "   @On(event=CLICK, id=\"btn\") static void clcs() {}"
+            + "}";
+        Compile result = Compile.create(html, java);
+
+        assertNotNull(result.get("x/y/z/X.class"), "Class X is compiled: " + result);
+        assertNotNull(result.get("x/y/z/Index.class"), "Class Index is compiled: " + result);
+    }
+}
diff -r 1adce93fea0f -r 08ffdc3938e7 launcher/pom.xml
--- a/launcher/pom.xml	Wed Jan 23 12:53:23 2013 +0100
+++ b/launcher/pom.xml	Wed Jan 23 13:18:46 2013 +0100
@@ -30,6 +30,12 @@
   </properties>
   <dependencies>
     <dependency>
+      <groupId>junit</groupId>
+      <artifactId>junit</artifactId>
+      <version>3.8.1</version>
+      <scope>test</scope>
+    </dependency>
+    <dependency>
       <groupId>org.glassfish.grizzly</groupId>
       <artifactId>grizzly-http-server</artifactId>
       <version>2.2.19</version>
@@ -39,26 +45,5 @@
       <artifactId>vm4brwsr</artifactId>
       <version>${project.version}</version>
     </dependency>
-    <dependency>
-      <groupId>org.json</groupId>
-      <artifactId>json</artifactId>
-      <version>20090211</version>
-    </dependency>
-    <dependency>
-      <groupId>org.testng</groupId>
-      <artifactId>testng</artifactId>
-      <scope>test</scope>
-      <exclusions>
-        <exclusion>
-          <artifactId>junit</artifactId>
-          <groupId>junit</groupId>
-        </exclusion>
-      </exclusions>
-    </dependency>
-    <dependency>
-      <groupId>${project.groupId}</groupId>
-      <artifactId>javaquery.api</artifactId>
-      <version>${project.version}</version>
-    </dependency>
   </dependencies>
 </project>
diff -r 1adce93fea0f -r 08ffdc3938e7 launcher/src/main/java/org/apidesign/bck2brwsr/dew/Compile.java
--- a/launcher/src/main/java/org/apidesign/bck2brwsr/dew/Compile.java	Wed Jan 23 12:53:23 2013 +0100
+++ /dev/null	Thu Jan 01 00:00:00 1970 +0000
@@ -1,196 +0,0 @@
-/**
- * Back 2 Browser Bytecode Translator
- * Copyright (C) 2012 Jaroslav Tulach <jaroslav.tulach@apidesign.org>
- *
- * This program is free software: you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation, version 2 of the License.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program. Look for COPYING file in the top folder.
- * If not, see http://opensource.org/licenses/GPL-2.0.
- */
-package org.apidesign.bck2brwsr.dew;
-
-import java.io.ByteArrayInputStream;
-import java.io.ByteArrayOutputStream;
-import java.io.IOException;
-import java.io.InputStream;
-import java.io.OutputStream;
-import java.net.URI;
-import java.net.URISyntaxException;
-import java.util.ArrayList;
-import java.util.Arrays;
-import java.util.HashMap;
-import java.util.List;
-import java.util.Map;
-import java.util.regex.Matcher;
-import java.util.regex.Pattern;
-import javax.tools.Diagnostic;
-import javax.tools.DiagnosticListener;
-import javax.tools.FileObject;
-import javax.tools.ForwardingJavaFileManager;
-import javax.tools.JavaFileManager;
-import javax.tools.JavaFileObject;
-import javax.tools.JavaFileObject.Kind;
-import javax.tools.SimpleJavaFileObject;
-import javax.tools.StandardJavaFileManager;
-import javax.tools.StandardLocation;
-import javax.tools.ToolProvider;
-
-/**
- *
- * @author Jaroslav Tulach <jtulach@netbeans.org>
- */
-final class Compile implements DiagnosticListener<JavaFileObject> {
-    private final List<Diagnostic<? extends JavaFileObject>> errors = new ArrayList<>();
-    private final Map<String, byte[]> classes;
-    private final String pkg;
-    private final String cls;
-
-    private Compile(String html, String code) throws IOException {
-        this.pkg = findPkg(code);
-        this.cls = findCls(code);
-        classes = compile(html, code);
-    }
-
-    /** Performs compilation of given HTML page and associated Java code
-     */
-    public static Compile create(String html, String code) throws IOException {
-        return new Compile(html, code);
-    }
-    
-    /** Checks for given class among compiled resources */
-    public byte[] get(String res) {
-        return classes.get(res);
-    }
-    
-    /** Obtains errors created during compilation.
-     */
-    public List<Diagnostic<? extends JavaFileObject>> getErrors() {
-        List<Diagnostic<? extends JavaFileObject>> err = new ArrayList<>();
-        for (Diagnostic<? extends JavaFileObject> diagnostic : errors) {
-            if (diagnostic.getKind() == Diagnostic.Kind.ERROR) {
-                err.add(diagnostic);
-            }
-        }
-        return err;
-    }
-    
-    private Map<String, byte[]> compile(final String html, final String code) throws IOException {
-        StandardJavaFileManager sjfm = ToolProvider.getSystemJavaCompiler().getStandardFileManager(this, null, null);
-
-        final Map<String, ByteArrayOutputStream> class2BAOS = new HashMap<>();
-
-        JavaFileObject file = new SimpleJavaFileObject(URI.create("mem://mem"), Kind.SOURCE) {
-            @Override
-            public CharSequence getCharContent(boolean ignoreEncodingErrors) throws IOException {
-                return code;
-            }
-        };
-        final JavaFileObject htmlFile = new SimpleJavaFileObject(URI.create("mem://mem2"), Kind.OTHER) {
-            @Override
-            public CharSequence getCharContent(boolean ignoreEncodingErrors) throws IOException {
-                return html;
-            }
-
-            @Override
-            public InputStream openInputStream() throws IOException {
-                return new ByteArrayInputStream(html.getBytes());
-            }
-        };
-        
-        final URI scratch;
-        try {
-            scratch = new URI("mem://mem3");
-        } catch (URISyntaxException ex) {
-            throw new IOException(ex);
-        }
-        
-        JavaFileManager jfm = new ForwardingJavaFileManager<JavaFileManager>(sjfm) {
-            @Override
-            public JavaFileObject getJavaFileForOutput(Location location, String className, Kind kind, FileObject sibling) throws IOException {
-                if (kind  == Kind.CLASS) {
-                    final ByteArrayOutputStream buffer = new ByteArrayOutputStream();
-
-                    class2BAOS.put(className.replace('.', '/') + ".class", buffer);
-                    return new SimpleJavaFileObject(sibling.toUri(), kind) {
-                        @Override
-                        public OutputStream openOutputStream() throws IOException {
-                            return buffer;
-                        }
-                    };
-                }
-                
-                if (kind == Kind.SOURCE) {
-                    return new SimpleJavaFileObject(scratch/*sibling.toUri()*/, kind) {
-                        private final ByteArrayOutputStream data = new ByteArrayOutputStream();
-                        @Override
-                        public OutputStream openOutputStream() throws IOException {
-                            return data;
-                        }
-
-                        @Override
-                        public CharSequence getCharContent(boolean ignoreEncodingErrors) throws IOException {
-                            data.close();
-                            return new String(data.toByteArray());
-                        }
-                    };
-                }
-                
-                throw new IllegalStateException();
-            }
-
-            @Override
-            public FileObject getFileForInput(Location location, String packageName, String relativeName) throws IOException {
-                if (location == StandardLocation.SOURCE_PATH) {
-                    if (packageName.equals(pkg)) {
-                        return htmlFile;
-                    }
-                }
-                
-                return null;
-            }
-            
-        };
-
-        ToolProvider.getSystemJavaCompiler().getTask(null, jfm, this, /*XXX:*/Arrays.asList("-source", "1.7", "-target", "1.7"), null, Arrays.asList(file)).call();
-
-        Map<String, byte[]> result = new HashMap<>();
-
-        for (Map.Entry<String, ByteArrayOutputStream> e : class2BAOS.entrySet()) {
-            result.put(e.getKey(), e.getValue().toByteArray());
-        }
-
-        return result;
-    }
-
-
-    @Override
-    public void report(Diagnostic<? extends JavaFileObject> diagnostic) {
-        errors.add(diagnostic);
-    }
-    private static String findPkg(String java) throws IOException {
-        Pattern p = Pattern.compile("package\\p{javaWhitespace}*([\\p{Alnum}\\.]+)\\p{javaWhitespace}*;", Pattern.MULTILINE);
-        Matcher m = p.matcher(java);
-        if (!m.find()) {
-            throw new IOException("Can't find package declaration in the java file");
-        }
-        String pkg = m.group(1);
-        return pkg;
-    }
-    private static String findCls(String java) throws IOException {
-        Pattern p = Pattern.compile("class\\p{javaWhitespace}*([\\p{Alnum}\\.]+)\\p{javaWhitespace}", Pattern.MULTILINE);
-        Matcher m = p.matcher(java);
-        if (!m.find()) {
-            throw new IOException("Can't find package declaration in the java file");
-        }
-        String cls = m.group(1);
-        return cls;
-    }
-}
diff -r 1adce93fea0f -r 08ffdc3938e7 launcher/src/main/java/org/apidesign/bck2brwsr/dew/Dew.java
--- a/launcher/src/main/java/org/apidesign/bck2brwsr/dew/Dew.java	Wed Jan 23 12:53:23 2013 +0100
+++ /dev/null	Thu Jan 01 00:00:00 1970 +0000
@@ -1,131 +0,0 @@
-/**
- * Back 2 Browser Bytecode Translator
- * Copyright (C) 2012 Jaroslav Tulach <jaroslav.tulach@apidesign.org>
- *
- * This program is free software: you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation, version 2 of the License.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program. Look for COPYING file in the top folder.
- * If not, see http://opensource.org/licenses/GPL-2.0.
- */
-package org.apidesign.bck2brwsr.dew;
-
-import java.io.ByteArrayInputStream;
-import java.io.IOException;
-import java.io.InputStream;
-import java.io.InputStreamReader;
-import java.io.OutputStream;
-import java.io.Writer;
-import java.util.List;
-import java.util.Locale;
-import java.util.Locale;
-import java.util.logging.Logger;
-import javax.tools.Diagnostic;
-import javax.tools.JavaFileObject;
-import org.apidesign.vm4brwsr.Bck2Brwsr;
-import org.glassfish.grizzly.http.Method;
-import org.glassfish.grizzly.http.server.HttpHandler;
-import org.glassfish.grizzly.http.server.Request;
-import org.glassfish.grizzly.http.server.Response;
-import org.glassfish.grizzly.http.util.HttpStatus;
-import org.json.JSONArray;
-import org.json.JSONObject;
-import org.json.JSONStringer;
-import org.json.JSONTokener;
-
-/**
- *
- * @author phrebejk
- */
-public class Dew extends HttpHandler implements Bck2Brwsr.Resources {
-    private String html = "";
-    private Compile data;
-
-    @Override
-    public void service(Request request, Response response) throws Exception {
-        
-        if ( request.getMethod() == Method.POST ) {
-            InputStream is = request.getInputStream();
-            JSONTokener tok = new JSONTokener(new InputStreamReader(is));
-            JSONObject obj = new JSONObject(tok);
-            String tmpHtml = obj.getString("html");
-            String tmpJava = obj.getString("java");
-            
-            Compile res = Compile.create(tmpHtml, tmpJava);
-            List<Diagnostic<? extends JavaFileObject>> err = res.getErrors();
-            if (err.isEmpty()) {
-                data = res;
-                html = tmpHtml;
-                response.getOutputStream().write("[]".getBytes());
-                response.setStatus(HttpStatus.OK_200);
-            } else {
-                
-                JSONArray errors = new JSONArray();
-                
-                for (Diagnostic<? extends JavaFileObject> d : err) {
-                    JSONObject e = new JSONObject();
-                    e.put("col", d.getColumnNumber());
-                    e.put("line", d.getLineNumber());
-                    e.put("kind", d.getKind().toString());
-                    e.put("msg", d.getMessage(Locale.ENGLISH));
-                    errors.put(e);
-                }
-                
-                errors.write(response.getWriter());                
-                response.setStatus(HttpStatus.PRECONDITION_FAILED_412);
-            }
-            
-            return;
-        }
-        
-        String r = request.getHttpHandlerPath();
-        if (r == null || r.equals("/")) {
-            r = "index.html";
-        }
-        if (r.equals("/result.html")) {
-            response.setContentType("text/html");
-            response.getOutputBuffer().write(html);
-            response.setStatus(HttpStatus.OK_200);
-            return;
-        }
-        
-        if (r.startsWith("/")) {
-            r = r.substring(1);
-        }
-        
-        if (r.endsWith(".html") || r.endsWith(".xhtml")) {
-            response.setContentType("text/html");
-        }
-        OutputStream os = response.getOutputStream();
-        try (InputStream is = Dew.class.getResourceAsStream(r) ) {
-            copyStream(is, os, request.getRequestURL().toString() );
-        } catch (IOException ex) {
-            response.setDetailMessage(ex.getLocalizedMessage());
-            response.setError();
-            response.setStatus(404);
-        }
-    }
-    
-    static void copyStream(InputStream is, OutputStream os, String baseURL) throws IOException {
-        for (;;) {
-            int ch = is.read();
-            if (ch == -1) {
-                break;
-            }
-            os.write(ch);            
-        }
-    }
-
-    @Override
-    public InputStream get(String r) throws IOException {
-        byte[] arr = data == null ? null : data.get(r);
-        return arr == null ? null : new ByteArrayInputStream(arr);
-    }
-}
diff -r 1adce93fea0f -r 08ffdc3938e7 launcher/src/main/java/org/apidesign/bck2brwsr/launcher/Bck2BrwsrLauncher.java
--- a/launcher/src/main/java/org/apidesign/bck2brwsr/launcher/Bck2BrwsrLauncher.java	Wed Jan 23 12:53:23 2013 +0100
+++ b/launcher/src/main/java/org/apidesign/bck2brwsr/launcher/Bck2BrwsrLauncher.java	Wed Jan 23 13:18:46 2013 +0100
@@ -39,7 +39,6 @@
 import java.util.concurrent.TimeUnit;
 import java.util.logging.Level;
 import java.util.logging.Logger;
-import org.apidesign.bck2brwsr.dew.Dew;
 import org.apidesign.vm4brwsr.Bck2Brwsr;
 import org.glassfish.grizzly.PortRange;
 import org.glassfish.grizzly.http.server.HttpHandler;
@@ -58,7 +57,6 @@
     private static final Logger LOG = Logger.getLogger(Bck2BrwsrLauncher.class.getName());
     private static final MethodInvocation END = new MethodInvocation(null, null, null);
     private Set<ClassLoader> loaders = new LinkedHashSet<>();
-    private Set<Bck2Brwsr.Resources> xRes = new LinkedHashSet<>();
     private BlockingQueue<MethodInvocation> methods = new LinkedBlockingQueue<>();
     private long timeOut;
     private final Res resources = new Res();
@@ -104,17 +102,6 @@
             throw new IOException(ex);
         }
     }
-    
-    public static void main(String... args) throws Exception {
-        Bck2BrwsrLauncher l = new Bck2BrwsrLauncher(null);
-        l.addClassLoader(Bck2BrwsrLauncher.class.getClassLoader());
-        HttpServer s = l.initServer();
-        final Dew dew = new Dew();
-        s.getServerConfiguration().addHttpHandler(dew, "/dew/");
-        l.xRes.add(dew);
-        l.launchServerAndBrwsr(s, "/dew/");
-        System.in.read();
-    }
 
     @Override
     public void initialize() throws IOException {
@@ -376,12 +363,6 @@
                     return u.openStream();
                 }
             }
-            for (Bck2Brwsr.Resources r : xRes) {
-                InputStream is = r.get(resource);
-                if (is != null) {
-                    return is;
-                }
-            }
             throw new IOException("Can't find " + resource);
         }
     }
diff -r 1adce93fea0f -r 08ffdc3938e7 launcher/src/main/resources/org/apidesign/bck2brwsr/dew/css/app.css
--- a/launcher/src/main/resources/org/apidesign/bck2brwsr/dew/css/app.css	Wed Jan 23 12:53:23 2013 +0100
+++ /dev/null	Thu Jan 01 00:00:00 1970 +0000
@@ -1,54 +0,0 @@
-/* app css stylesheet */
-.code-editor, .mono-font, .CodeMirror {
-    font-family: "Inconsolata","Monaco","Consolas","Andale Mono","Bitstream Vera Sans Mono","Courier New",Courier,monospace;
-    font-size: 13px;
-    line-height: 15px;
-}
-
-.CodeMirror {                    
-    border: 1px solid #d9edf7;      
-    height: 300px;
-}
-      
-.CodeMirror-scroll {
-    overflow-y: auto;
-    overflow-x: auto;
-}
-
-.error-hover:hover {
-    text-decoration: underline;
-    cursor: pointer;
-} 
-
-.ic-html5 {
-  display: inline-block;  
-  height: 20px;
-  width: 20px;
-  vertical-align: text-bottom;
-  background-repeat: no-repeat;  
-  background-image: url("../img/html5.png");  
-}
-
-.ic-java {
-  display: inline-block;  
-  height: 20px;
-  width: 20px;
-  vertical-align: text-bottom;
-  background-repeat: no-repeat;  
-  background-image: url("../img/java.png"); 
- 
-}
-
-.issues {    
-    width: 16px;
-}
-
-.issue { 
-    height: 16px;
-    width: 16px;
-    vertical-align: middle;
-    background-repeat: no-repeat;  
-    background-image: url("../img/error.png"); 
-    /* color: #822; */
-}
-
diff -r 1adce93fea0f -r 08ffdc3938e7 launcher/src/main/resources/org/apidesign/bck2brwsr/dew/css/bootstrap-combined.min.css
--- a/launcher/src/main/resources/org/apidesign/bck2brwsr/dew/css/bootstrap-combined.min.css	Wed Jan 23 12:53:23 2013 +0100
+++ /dev/null	Thu Jan 01 00:00:00 1970 +0000
@@ -1,18 +0,0 @@
-/*!
- * Bootstrap v2.2.2
- *
- * Copyright 2012 Twitter, Inc
- * Licensed under the Apache License v2.0
- * http://www.apache.org/licenses/LICENSE-2.0
- *
- * Designed and built with all the love in the world @twitter by @mdo and @fat.
- */article,aside,details,figcaption,figure,footer,header,hgroup,nav,section{display:block}audio,canvas,video{display:inline-block;*display:inline;*zoom:1}audio:not([controls]){display:none}html{font-size:100%;-webkit-text-size-adjust:100%;-ms-text-size-adjust:100%}a:focus{outline:thin dotted #333;outline:5px auto -webkit-focus-ring-color;outline-offset:-2px}a:hover,a:active{outline:0}sub,sup{position:relative;font-size:75%;line-height:0;vertical-align:baseline}sup{top:-0.5em}sub{bottom:-0.25em}img{width:auto\9;height:auto;max-width:100%;vertical-align:middle;border:0;-ms-interpolation-mode:bicubic}#map_canvas img,.google-maps img{max-width:none}button,input,select,textarea{margin:0;font-size:100%;vertical-align:middle}button,input{*overflow:visible;line-height:normal}button::-moz-focus-inner,input::-moz-focus-inner{padding:0;border:0}button,html input[type="button"],input[type="reset"],input[type="submit"]{cursor:pointer;-webkit-appearance:button}label,select,button,input[type="button"],input[type="reset"],input[type="submit"],input[type="radio"],input[type="checkbox"]{cursor:pointer}input[type="search"]{-webkit-box-sizing:content-box;-moz-box-sizing:content-box;box-sizing:content-box;-webkit-appearance:textfield}input[type="search"]::-webkit-search-decoration,input[type="search"]::-webkit-search-cancel-button{-webkit-appearance:none}textarea{overflow:auto;vertical-align:top}@media print{*{color:#000!important;text-shadow:none!important;background:transparent!important;box-shadow:none!important}a,a:visited{text-decoration:underline}a[href]:after{content:" (" attr(href) ")"}abbr[title]:after{content:" (" attr(title) ")"}.ir a:after,a[href^="javascript:"]:after,a[href^="#"]:after{content:""}pre,blockquote{border:1px solid #999;page-break-inside:avoid}thead{display:table-header-group}tr,img{page-break-inside:avoid}img{max-width:100%!important}@page{margin:.5cm}p,h2,h3{orphans:3;widows:3}h2,h3{page-break-after:avoid}}.clearfix{*zoom:1}.clearfix:before,.clearfix:after{display:table;line-height:0;content:""}.clearfix:after{clear:both}.hide-text{font:0/0 a;color:transparent;text-shadow:none;background-color:transparent;border:0}.input-block-level{display:block;width:100%;min-height:30px;-webkit-box-sizing:border-box;-moz-box-sizing:border-box;box-sizing:border-box}body{margin:0;font-family:"Helvetica Neue",Helvetica,Arial,sans-serif;font-size:14px;line-height:20px;color:#333;background-color:#fff}a{color:#08c;text-decoration:none}a:hover{color:#005580;text-decoration:underline}.img-rounded{-webkit-border-radius:6px;-moz-border-radius:6px;border-radius:6px}.img-polaroid{padding:4px;background-color:#fff;border:1px solid #ccc;border:1px solid rgba(0,0,0,0.2);-webkit-box-shadow:0 1px 3px rgba(0,0,0,0.1);-moz-box-shadow:0 1px 3px rgba(0,0,0,0.1);box-shadow:0 1px 3px rgba(0,0,0,0.1)}.img-circle{-webkit-border-radius:500px;-moz-border-radius:500px;border-radius:500px}.row{margin-left:-20px;*zoom:1}.row:before,.row:after{display:table;line-height:0;content:""}.row:after{clear:both}[class*="span"]{float:left;min-height:1px;margin-left:20px}.container,.navbar-static-top .container,.navbar-fixed-top .container,.navbar-fixed-bottom .container{width:940px}.span12{width:940px}.span11{width:860px}.span10{width:780px}.span9{width:700px}.span8{width:620px}.span7{width:540px}.span6{width:460px}.span5{width:380px}.span4{width:300px}.span3{width:220px}.span2{width:140px}.span1{width:60px}.offset12{margin-left:980px}.offset11{margin-left:900px}.offset10{margin-left:820px}.offset9{margin-left:740px}.offset8{margin-left:660px}.offset7{margin-left:580px}.offset6{margin-left:500px}.offset5{margin-left:420px}.offset4{margin-left:340px}.offset3{margin-left:260px}.offset2{margin-left:180px}.offset1{margin-left:100px}.row-fluid{width:100%;*zoom:1}.row-fluid:before,.row-fluid:after{display:table;line-height:0;content:""}.row-fluid:after{clear:both}.row-fluid [class*="span"]{display:block;float:left;width:100%;min-height:30px;margin-left:2.127659574468085%;*margin-left:2.074468085106383%;-webkit-box-sizing:border-box;-moz-box-sizing:border-box;box-sizing:border-box}.row-fluid [class*="span"]:first-child{margin-left:0}.row-fluid .controls-row [class*="span"]+[class*="span"]{margin-left:2.127659574468085%}.row-fluid .span12{width:100%;*width:99.94680851063829%}.row-fluid .span11{width:91.48936170212765%;*width:91.43617021276594%}.row-fluid .span10{width:82.97872340425532%;*width:82.92553191489361%}.row-fluid .span9{width:74.46808510638297%;*width:74.41489361702126%}.row-fluid .span8{width:65.95744680851064%;*width:65.90425531914893%}.row-fluid .span7{width:57.44680851063829%;*width:57.39361702127659%}.row-fluid .span6{width:48.93617021276595%;*width:48.88297872340425%}.row-fluid .span5{width:40.42553191489362%;*width:40.37234042553192%}.row-fluid .span4{width:31.914893617021278%;*width:31.861702127659576%}.row-fluid .span3{width:23.404255319148934%;*width:23.351063829787233%}.row-fluid .span2{width:14.893617021276595%;*width:14.840425531914894%}.row-fluid .span1{width:6.382978723404255%;*width:6.329787234042553%}.row-fluid .offset12{margin-left:104.25531914893617%;*margin-left:104.14893617021275%}.row-fluid .offset12:first-child{margin-left:102.12765957446808%;*margin-left:102.02127659574467%}.row-fluid .offset11{margin-left:95.74468085106382%;*margin-left:95.6382978723404%}.row-fluid .offset11:first-child{margin-left:93.61702127659574%;*margin-left:93.51063829787232%}.row-fluid .offset10{margin-left:87.23404255319149%;*margin-left:87.12765957446807%}.row-fluid .offset10:first-child{margin-left:85.1063829787234%;*margin-left:84.99999999999999%}.row-fluid .offset9{margin-left:78.72340425531914%;*margin-left:78.61702127659572%}.row-fluid .offset9:first-child{margin-left:76.59574468085106%;*margin-left:76.48936170212764%}.row-fluid .offset8{margin-left:70.2127659574468%;*margin-left:70.10638297872339%}.row-fluid .offset8:first-child{margin-left:68.08510638297872%;*margin-left:67.9787234042553%}.row-fluid .offset7{margin-left:61.70212765957446%;*margin-left:61.59574468085106%}.row-fluid .offset7:first-child{margin-left:59.574468085106375%;*margin-left:59.46808510638297%}.row-fluid .offset6{margin-left:53.191489361702125%;*margin-left:53.085106382978715%}.row-fluid .offset6:first-child{margin-left:51.063829787234035%;*margin-left:50.95744680851063%}.row-fluid .offset5{margin-left:44.68085106382979%;*margin-left:44.57446808510638%}.row-fluid .offset5:first-child{margin-left:42.5531914893617%;*margin-left:42.4468085106383%}.row-fluid .offset4{margin-left:36.170212765957444%;*margin-left:36.06382978723405%}.row-fluid .offset4:first-child{margin-left:34.04255319148936%;*margin-left:33.93617021276596%}.row-fluid .offset3{margin-left:27.659574468085104%;*margin-left:27.5531914893617%}.row-fluid .offset3:first-child{margin-left:25.53191489361702%;*margin-left:25.425531914893618%}.row-fluid .offset2{margin-left:19.148936170212764%;*margin-left:19.04255319148936%}.row-fluid .offset2:first-child{margin-left:17.02127659574468%;*margin-left:16.914893617021278%}.row-fluid .offset1{margin-left:10.638297872340425%;*margin-left:10.53191489361702%}.row-fluid .offset1:first-child{margin-left:8.51063829787234%;*margin-left:8.404255319148938%}[class*="span"].hide,.row-fluid [class*="span"].hide{display:none}[class*="span"].pull-right,.row-fluid [class*="span"].pull-right{float:right}.container{margin-right:auto;margin-left:auto;*zoom:1}.container:before,.container:after{display:table;line-height:0;content:""}.container:after{clear:both}.container-fluid{padding-right:20px;padding-left:20px;*zoom:1}.container-fluid:before,.container-fluid:after{display:table;line-height:0;content:""}.container-fluid:after{clear:both}p{margin:0 0 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diff -r 1adce93fea0f -r 08ffdc3938e7 launcher/src/main/resources/org/apidesign/bck2brwsr/dew/img/error.png
Binary file launcher/src/main/resources/org/apidesign/bck2brwsr/dew/img/error.png has changed
diff -r 1adce93fea0f -r 08ffdc3938e7 launcher/src/main/resources/org/apidesign/bck2brwsr/dew/img/glyphicons-halflings-white.png
Binary file launcher/src/main/resources/org/apidesign/bck2brwsr/dew/img/glyphicons-halflings-white.png has changed
diff -r 1adce93fea0f -r 08ffdc3938e7 launcher/src/main/resources/org/apidesign/bck2brwsr/dew/img/glyphicons-halflings.png
Binary file launcher/src/main/resources/org/apidesign/bck2brwsr/dew/img/glyphicons-halflings.png has changed
diff -r 1adce93fea0f -r 08ffdc3938e7 launcher/src/main/resources/org/apidesign/bck2brwsr/dew/img/html5.png
Binary file launcher/src/main/resources/org/apidesign/bck2brwsr/dew/img/html5.png has changed
diff -r 1adce93fea0f -r 08ffdc3938e7 launcher/src/main/resources/org/apidesign/bck2brwsr/dew/img/java.png
Binary file launcher/src/main/resources/org/apidesign/bck2brwsr/dew/img/java.png has changed
diff -r 1adce93fea0f -r 08ffdc3938e7 launcher/src/main/resources/org/apidesign/bck2brwsr/dew/index.html
--- a/launcher/src/main/resources/org/apidesign/bck2brwsr/dew/index.html	Wed Jan 23 12:53:23 2013 +0100
+++ /dev/null	Thu Jan 01 00:00:00 1970 +0000
@@ -1,98 +0,0 @@
-<!--
-To change this template, choose Tools | Templates
-and open the template in the editor.
--->
-<!DOCTYPE html>
-<html lang="en" ng-app="bck2brwsr" ng-controller="DevCtrl">
-    <head>
-        <title>Back2Browser - DEW</title>
-        <meta http-equiv="Content-Type" content="text/html; charset=UTF-8">
-        <meta name="viewport" content="width=device-width, initial-scale=1.0">
-        <link rel="stylesheet" href="css/bootstrap-combined.min.css"/>  
-        <link rel="stylesheet" href="js/codemirror/codemirror.css">
-        <link rel="stylesheet" href="js/codemirror/theme/elegant.css"/>
-        <link rel="stylesheet" href="css/app.css"/>
-    </head>
-    <body>
-                
-        <div class="navbar navbar-fixed-top" style="width: 100%"> 
-        <div class="navbar-inner" style="padding-left: 12px; padding-right: 12px;">
-            <!-- a class="brand" style="font-size: 100%"><span class="text-info"><b>Java and HTML5</b></span><small>- Together at Last!</small></a-->
-            <form class="navbar-form pull-right">
-                <!-- select class="span2"></select -->
-                <button ng-click="post()" class="btn btn-warning">Rebuild</button>
-              </form>
-            <!-- ul class="nav">                          
-                <li><select class="btn-small" type="text"></select></li>
-            </ul -->
-            <!-- form class="form form-horizontal pull-right">
-                <button class="btn btn-warning btn-small pull-right top" ng-click="post()">Rebuild</button>
-            </form -->
-            <!-- ul class="nav pull-right">
-                
-            </ul-->     
-        </div>  
-        </div>
-
-        <div class="container-fluid">        
-        
-        <div style="height: 4em;">&nbsp;</div>    
-            
-        <div class="row-fluid">
-            <div class="span6" style="margin-bottom: 10px;"> 
-                <table class="table table-condensed" style="margin-bottom: 2px">
-                <tr><td><i class="ic-html5"></i> HTML5</td></tr>               
-                </table>
-                <div>
-                    <textarea ui-codemirror='{ lineNumbers : true, mode : "xml", theme : "elegant", matchBrackets : true, lineWrapping : true }' ng-model="html"></textarea>
-                    <div class="alert alert-error" ng-show="doc.modelError">
-                        <small>{{doc.modelError.toString()}}</small>
-                    </div>
-                </div>    
-            </div>
-            
-            <div class="span6">  
-                <table class="table table-condensed" style="margin-bottom: 2px">
-                <tr><td><i class="ic-java"></i> Java</td></tr>               
-                </table>                
-                <div>
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-                    <div class="alert alert-error" ng-show="doc.modelError">
-                        <small>{{doc.modelError.toString()}}</small>
-                    </div>
-                </div>
-            </div>
-        
-        </div>    
-            
-        <table class="table table-condensed">
-            <tr ng-click="gotoError(e.line, e.col)" ng-repeat="e in errors" ng-class="errorClass(e.kind)">
-                <td style="text-align: right">{{e.line}}</td> 
-                <td>:</td> 
-                <td style="text-align: left">{{e.col}}</td> 
-                <td width="100%" class="text-error error-hover">{{e.msg}} <i class="icon-play"/></td>
-            </tr>            
-        </table>    
-            
-        
-        <div>&nbsp;</div>    
-            
-        <ul class="nav nav-tabs">
-            <li ng-class="'active'"><a href="#">Result</a></li>
-        </ul>    
-        
-        
-        <!-- button class="btn" ng-click="reload()">Reload</button -->
-        <iframe id="result" frameborder="0" scrolling="yes" width="100%" style="height: 1000px; overflow: auto; border: 1px solid #DFDFDF;" src="result.html">
-            <p>Your browser does not support iframes.</p>
-        </iframe>
-            
-        </div>
-        
-        <script src="js/angular/angular.min.js"></script>
-        <script src="js/codemirror/codemirror.js"></script>
-        <script src="js/codemirror/mode/xml.js"></script>
-        <script src="js/codemirror/mode/clike.js"></script>
-        <script src="js/app.js"></script>
-    </body>
-</html>
diff -r 1adce93fea0f -r 08ffdc3938e7 launcher/src/main/resources/org/apidesign/bck2brwsr/dew/js/angular/angular.min.js
--- a/launcher/src/main/resources/org/apidesign/bck2brwsr/dew/js/angular/angular.min.js	Wed Jan 23 12:53:23 2013 +0100
+++ /dev/null	Thu Jan 01 00:00:00 1970 +0000
@@ -1,159 +0,0 @@
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diff -r 1adce93fea0f -r 08ffdc3938e7 launcher/src/main/resources/org/apidesign/bck2brwsr/dew/js/app.js
--- a/launcher/src/main/resources/org/apidesign/bck2brwsr/dew/js/app.js	Wed Jan 23 12:53:23 2013 +0100
+++ /dev/null	Thu Jan 01 00:00:00 1970 +0000
@@ -1,206 +0,0 @@
-// 'use strict';
-
-// Declare app level module which depends on filters, and services
-angular.module('bck2brwsr', []).
-  directive('uiCodemirror', ['$timeout', function($timeout) {
-        'use strict';
-
-        var events = ["cursorActivity", "viewportChange", "gutterClick", "focus", "blur", "scroll", "update"];
-        return {
-            restrict: 'A',
-            require: 'ngModel',
-            link: function(scope, elm, attrs, ngModel) {
-                var options, opts, onChange, deferCodeMirror, codeMirror, timeoutId, val;
-
-                if (elm[0].type !== 'textarea') {
-                    throw new Error('uiCodemirror3 can only be applied to a textarea element');
-                }
-
-                options = /* uiConfig.codemirror  || */ {};
-                opts = angular.extend({}, options, scope.$eval(attrs.uiCodemirror));
-
-                onChange = function(instance, changeObj) {                    
-                    val = instance.getValue();
-                    $timeout.cancel(timeoutId);
-                    timeoutId = $timeout(function() {
-                        ngModel.$setViewValue(val);                        
-                      }, 500);                    
-                };
-                
-                deferCodeMirror = function() {
-                    codeMirror = CodeMirror.fromTextArea(elm[0], opts);
-                    elm[0].codeMirror = codeMirror;
-                    // codeMirror.on("change", onChange(opts.onChange));
-                    codeMirror.on("change", onChange);
-
-                    for (var i = 0, n = events.length, aEvent; i < n; ++i) {
-                        aEvent = opts["on" + events[i].charAt(0).toUpperCase() + events[i].slice(1)];
-                        if (aEvent === void 0)
-                            continue;
-                        if (typeof aEvent !== "function")
-                            continue;
-                                                
-                        var bound = _.bind( aEvent, scope );
-                        
-                        codeMirror.on(events[i], bound);
-                    }
-
-                    // CodeMirror expects a string, so make sure it gets one.
-                    // This does not change the model.
-                    ngModel.$formatters.push(function(value) {
-                        if (angular.isUndefined(value) || value === null) {
-                            return '';
-                        }
-                        else if (angular.isObject(value) || angular.isArray(value)) {
-                            throw new Error('ui-codemirror cannot use an object or an array as a model');
-                        }
-                        return value;
-                    });
-
-                    // Override the ngModelController $render method, which is what gets called when the model is updated.
-                    // This takes care of the synchronizing the codeMirror element with the underlying model, in the case that it is changed by something else.
-                    ngModel.$render = function() {
-                        codeMirror.setValue(ngModel.$viewValue);
-                    };
-
-                };
-
-                $timeout(deferCodeMirror);
-
-            }
-        };
-}]);
-
-function DevCtrl( $scope, $http ) {
-    var templateHtml = "<html><body>\n"
-        + " <button id='btn'>Hello!</button>\n"
-        + " <hr/>\n"
-        + "\n"
-        + "\n"
-        + "\n"
-        + "\n"
-        + "\n"
-        + "\n"
-        + "\n"
-        + "\n"
-        + "\n"
-        + "\n"
-        + "\n"
-        + "\n"
-        + "\n"
-        + "\n"
-        + "\n"
-        + "\n"
-        + "\n"
-        + "\n"
-        + "\n"
-        + "\n"
-        + " <script src=\"/bck2brwsr.js\"></script>\n"
-        + " <script type=\"text/javascript\">\n"
-        + "   function ldCls(res) {\n"
-        + "     var request = new XMLHttpRequest();\n"
-        + "     request.open('GET', '/classes/' + res, false);\n"
-        + "     request.send();\n"
-        + "     var arr = eval('(' + request.responseText + ')');\n"
-        + "     return arr;\n"
-        + "   }\n"
-        + "   var vm = new bck2brwsr(ldCls);\n"
-        + "   vm.loadClass('bck2brwsr.demo.Index');\n"
-        + " </script>\n"
-        + "</body></html>\n";
-    var templateJava = "package bck2brwsr.demo;\n"
-        + "import org.apidesign.bck2brwsr.htmlpage.api.*;\n"
-        + "import static org.apidesign.bck2brwsr.htmlpage.api.OnEvent.*;\n"
-        + "@Page(xhtml=\"index.html\", className=\"Index\")\n"
-        + "class YourFirstHTML5PageInRealLanguage {\n"
-        + "   @On(event=CLICK, id=\"btn\") static void clcs() {\n"
-        + "     Element.alert(\"Hello World!\");\n"
-        + "     Index.BTN.setDisabled(true);\n"
-        + "   }\n"
-        + "}\n";
-
-    
-    $scope.makeMarker = function( editor, line ) {
-        var marker = document.createElement("div");
-        marker.innerHTML = " ";
-        marker.className = "issue";
-        
-        var info = editor.lineInfo(line);
-        editor.setGutterMarker(line, "issues", info.markers ? null : marker);
-        
-        return marker;
-    };
-    
-    
-    // Returns a function, that, as long as it continues to be invoked, will not
-    // be triggered. The function will be called after it stops being called for
-    // N milliseconds. If `immediate` is passed, trigger the function on the
-    // leading edge, instead of the trailing.
-    $scope.debounce = function(func, wait, immediate) {
-      var timeout, result;
-      return function() {
-        var context = this, args = arguments;
-        var later = function() {
-          timeout = null;
-          if (!immediate) result = func.apply(context, args);
-        };
-        var callNow = immediate && !timeout;
-        clearTimeout(timeout);
-        timeout = setTimeout(later, wait);
-        if (callNow) result = func.apply(context, args);
-        return result;
-      };
-    };
-    
-    $scope.reload = function() {
-        $scope.errors = null;
-        var frame = document.getElementById("result");        
-        frame.src = "result.html";
-        frame.contentDocument.location.reload(true);
-        frame.contentWindow.location.reload();
-        document.getElementById("editorJava").codeMirror.clearGutter("issues");   
-    };
-    
-    $scope.fail = function( data ) {
-        $scope.errors = eval( data );
-        var editor = document.getElementById("editorJava").codeMirror;   
-        editor.clearGutter( "issues" );
-        
-        for( var i = 0; i < $scope.errors.length; i ++ ) {
-            $scope.makeMarker( editor, $scope.errors[i].line - 1 );
-        }
-        
-    };
-    
-    $scope.post = function() {
-        return $http({url: ".",
-            method: "POST",
-            //headers: this.headers,
-            data: { html : $scope.html, java : $scope.java} 
-        }).success( $scope.reload ).error( $scope.fail );
-    };
-    
-    $scope.errorClass = function( kind ) {
-        switch( kind ) {
-            case "ERROR" :
-                return "error";
-            default :         
-                return "warning";   
-        }
-    };
-    
-    $scope.gotoError = function( line, col ) {
-        var editor = document.getElementById("editorJava").codeMirror;   
-        editor.setCursor({ line: line - 1, ch : col - 1 });
-        editor.focus();
-    };
-    
-    $scope.tab = "html";
-    $scope.html= templateHtml;  
-    $scope.java = templateJava;  
-    
-    $scope.$watch( "html", $scope.debounce( $scope.post, 2000 ) );
-    $scope.$watch( "java", $scope.debounce( $scope.post, 2000 ) );
-    $scope.post();
-    
-}
diff -r 1adce93fea0f -r 08ffdc3938e7 launcher/src/main/resources/org/apidesign/bck2brwsr/dew/js/codemirror/codemirror.css
--- a/launcher/src/main/resources/org/apidesign/bck2brwsr/dew/js/codemirror/codemirror.css	Wed Jan 23 12:53:23 2013 +0100
+++ /dev/null	Thu Jan 01 00:00:00 1970 +0000
@@ -1,239 +0,0 @@
-/* BASICS */
-
-.CodeMirror {
-  /* Set height, width, borders, and global font properties here */
-  font-family: monospace;
-  height: 300px;
-}
-.CodeMirror-scroll {
-  /* Set scrolling behaviour here */
-  overflow: auto;
-}
-
-/* PADDING */
-
-.CodeMirror-lines {
-  padding: 4px 0; /* Vertical padding around content */
-}
-.CodeMirror pre {
-  padding: 0 4px; /* Horizontal padding of content */
-}
-
-.CodeMirror-scrollbar-filler {
-  background-color: white; /* The little square between H and V scrollbars */
-}
-
-/* GUTTER */
-
-.CodeMirror-gutters {
-  border-right: 1px solid #ddd;
-  background-color: #f7f7f7;
-}
-.CodeMirror-linenumbers {}
-.CodeMirror-linenumber {
-  padding: 0 3px 0 5px;
-  min-width: 20px;
-  text-align: right;
-  color: #999;
-}
-
-/* CURSOR */
-
-.CodeMirror pre.CodeMirror-cursor {
-  border-left: 1px solid black;
-}
-/* Shown when moving in bi-directional text */
-.CodeMirror pre.CodeMirror-secondarycursor {
-  border-left: 1px solid silver;
-}
-.cm-keymap-fat-cursor pre.CodeMirror-cursor {
-  width: auto;
-  border: 0;
-  background: transparent;
-  background: rgba(0, 200, 0, .4);
-  filter: progid:DXImageTransform.Microsoft.gradient(startColorstr=#6600c800, endColorstr=#4c00c800);
-}
-/* Kludge to turn off filter in ie9+, which also accepts rgba */
-.cm-keymap-fat-cursor pre.CodeMirror-cursor:not(#nonsense_id) {
-  filter: progid:DXImageTransform.Microsoft.gradient(enabled=false);
-}
-/* Can style cursor different in overwrite (non-insert) mode */
-.CodeMirror pre.CodeMirror-cursor.CodeMirror-overwrite {}
-
-/* DEFAULT THEME */
-
-.cm-s-default .cm-keyword {color: #708;}
-.cm-s-default .cm-atom {color: #219;}
-.cm-s-default .cm-number {color: #164;}
-.cm-s-default .cm-def {color: #00f;}
-.cm-s-default .cm-variable {color: black;}
-.cm-s-default .cm-variable-2 {color: #05a;}
-.cm-s-default .cm-variable-3 {color: #085;}
-.cm-s-default .cm-property {color: black;}
-.cm-s-default .cm-operator {color: black;}
-.cm-s-default .cm-comment {color: #a50;}
-.cm-s-default .cm-string {color: #a11;}
-.cm-s-default .cm-string-2 {color: #f50;}
-.cm-s-default .cm-meta {color: #555;}
-.cm-s-default .cm-error {color: #f00;}
-.cm-s-default .cm-qualifier {color: #555;}
-.cm-s-default .cm-builtin {color: #30a;}
-.cm-s-default .cm-bracket {color: #997;}
-.cm-s-default .cm-tag {color: #170;}
-.cm-s-default .cm-attribute {color: #00c;}
-.cm-s-default .cm-header {color: blue;}
-.cm-s-default .cm-quote {color: #090;}
-.cm-s-default .cm-hr {color: #999;}
-.cm-s-default .cm-link {color: #00c;}
-
-.cm-negative {color: #d44;}
-.cm-positive {color: #292;}
-.cm-header, .cm-strong {font-weight: bold;}
-.cm-em {font-style: italic;}
-.cm-emstrong {font-style: italic; font-weight: bold;}
-.cm-link {text-decoration: underline;}
-
-.cm-invalidchar {color: #f00;}
-
-div.CodeMirror span.CodeMirror-matchingbracket {color: #0f0;}
-div.CodeMirror span.CodeMirror-nonmatchingbracket {color: #f22;}
-
-/* STOP */
-
-/* The rest of this file contains styles related to the mechanics of
-   the editor. You probably shouldn't touch them. */
-
-.CodeMirror {
-  line-height: 1;
-  position: relative;
-  overflow: hidden;
-}
-
-.CodeMirror-scroll {
-  /* 30px is the magic margin used to hide the element's real scrollbars */
-  /* See overflow: hidden in .CodeMirror, and the paddings in .CodeMirror-sizer */
-  margin-bottom: -30px; margin-right: -30px;
-  padding-bottom: 30px; padding-right: 30px;
-  height: 100%;
-  outline: none; /* Prevent dragging from highlighting the element */
-  position: relative;
-}
-.CodeMirror-sizer {
-  position: relative;
-}
-
-/* The fake, visible scrollbars. Used to force redraw during scrolling
-   before actuall scrolling happens, thus preventing shaking and
-   flickering artifacts. */
-.CodeMirror-vscrollbar, .CodeMirror-hscrollbar, .CodeMirror-scrollbar-filler {
-  position: absolute;
-  z-index: 6;
-  display: none;
-}
-.CodeMirror-vscrollbar {
-  right: 0; top: 0;
-  overflow-x: hidden;
-  overflow-y: scroll;
-}
-.CodeMirror-hscrollbar {
-  bottom: 0; left: 0;
-  overflow-y: hidden;
-  overflow-x: scroll;
-}
-.CodeMirror-scrollbar-filler {
-  right: 0; bottom: 0;
-  z-index: 6;
-}
-
-.CodeMirror-gutters {
-  position: absolute; left: 0; top: 0;
-  height: 100%;
-  z-index: 3;
-}
-.CodeMirror-gutter {
-  height: 100%;
-  display: inline-block;
-  /* Hack to make IE7 behave */
-  *zoom:1;
-  *display:inline;
-}
-.CodeMirror-gutter-elt {
-  position: absolute;
-  cursor: default;
-  z-index: 4;
-}
-
-.CodeMirror-lines {
-  cursor: text;
-}
-.CodeMirror pre {
-  /* Reset some styles that the rest of the page might have set */
-  -moz-border-radius: 0; -webkit-border-radius: 0; -o-border-radius: 0; border-radius: 0;
-  border-width: 0;
-  background: transparent;
-  font-family: inherit;
-  font-size: inherit;
-  margin: 0;
-  white-space: pre;
-  word-wrap: normal;
-  line-height: inherit;
-  color: inherit;
-  z-index: 2;
-  position: relative;
-  overflow: visible;
-}
-.CodeMirror-wrap pre {
-  word-wrap: break-word;
-  white-space: pre-wrap;
-  word-break: normal;
-}
-.CodeMirror-linebackground {
-  position: absolute;
-  left: 0; right: 0; top: 0; bottom: 0;
-  z-index: 0;
-}
-
-.CodeMirror-linewidget {
-  position: relative;
-  z-index: 2;
-}
-
-.CodeMirror-wrap .CodeMirror-scroll {
-  overflow-x: hidden;
-}
-
-.CodeMirror-measure {
-  position: absolute;
-  width: 100%; height: 0px;
-  overflow: hidden;
-  visibility: hidden;
-}
-.CodeMirror-measure pre { position: static; }
-
-.CodeMirror pre.CodeMirror-cursor {
-  position: absolute;
-  visibility: hidden;
-  border-right: none;
-  width: 0;
-}
-.CodeMirror-focused pre.CodeMirror-cursor {
-  visibility: visible;
-}
-
-.CodeMirror-selected { background: #d9d9d9; }
-.CodeMirror-focused .CodeMirror-selected { background: #d7d4f0; }
-
-.CodeMirror-searching {
-  background: #ffa;
-  background: rgba(255, 255, 0, .4);
-}
-
-/* IE7 hack to prevent it from returning funny offsetTops on the spans */
-.CodeMirror span { *vertical-align: text-bottom; }
-
-@media print {
-  /* Hide the cursor when printing */
-  .CodeMirror pre.CodeMirror-cursor {
-    visibility: hidden;
-  }
-}
diff -r 1adce93fea0f -r 08ffdc3938e7 launcher/src/main/resources/org/apidesign/bck2brwsr/dew/js/codemirror/codemirror.js
--- a/launcher/src/main/resources/org/apidesign/bck2brwsr/dew/js/codemirror/codemirror.js	Wed Jan 23 12:53:23 2013 +0100
+++ /dev/null	Thu Jan 01 00:00:00 1970 +0000
@@ -1,4553 +0,0 @@
-// CodeMirror version 3.0
-//
-// CodeMirror is the only global var we claim
-window.CodeMirror = (function() {
-  "use strict";
-
-  // BROWSER SNIFFING
-
-  // Crude, but necessary to handle a number of hard-to-feature-detect
-  // bugs and behavior differences.
-  var gecko = /gecko\/\d/i.test(navigator.userAgent);
-  var ie = /MSIE \d/.test(navigator.userAgent);
-  var ie_lt8 = /MSIE [1-7]\b/.test(navigator.userAgent);
-  var ie_lt9 = /MSIE [1-8]\b/.test(navigator.userAgent);
-  var webkit = /WebKit\//.test(navigator.userAgent);
-  var qtwebkit = webkit && /Qt\/\d+\.\d+/.test(navigator.userAgent);
-  var chrome = /Chrome\//.test(navigator.userAgent);
-  var opera = /Opera\//.test(navigator.userAgent);
-  var safari = /Apple Computer/.test(navigator.vendor);
-  var khtml = /KHTML\//.test(navigator.userAgent);
-  var mac_geLion = /Mac OS X 1\d\D([7-9]|\d\d)\D/.test(navigator.userAgent);
-  var mac_geMountainLion = /Mac OS X 1\d\D([8-9]|\d\d)\D/.test(navigator.userAgent);
-  var phantom = /PhantomJS/.test(navigator.userAgent);
-
-  var ios = /AppleWebKit/.test(navigator.userAgent) && /Mobile\/\w+/.test(navigator.userAgent);
-  // This is woefully incomplete. Suggestions for alternative methods welcome.
-  var mobile = ios || /Android|webOS|BlackBerry|Opera Mini|IEMobile/i.test(navigator.userAgent);
-  var mac = ios || /Mac/.test(navigator.platform);
-
-  // Optimize some code when these features are not used
-  var sawReadOnlySpans = false, sawCollapsedSpans = false;
-
-  // CONSTRUCTOR
-
-  function CodeMirror(place, options) {
-    if (!(this instanceof CodeMirror)) return new CodeMirror(place, options);
-    
-    this.options = options = options || {};
-    // Determine effective options based on given values and defaults.
-    for (var opt in defaults) if (!options.hasOwnProperty(opt) && defaults.hasOwnProperty(opt))
-      options[opt] = defaults[opt];
-    setGuttersForLineNumbers(options);
-
-    var display = this.display = makeDisplay(place);
-    display.wrapper.CodeMirror = this;
-    updateGutters(this);
-    if (options.autofocus && !mobile) focusInput(this);
-
-    this.view = makeView(new BranchChunk([new LeafChunk([makeLine("", null, textHeight(display))])]));
-    this.nextOpId = 0;
-    loadMode(this);
-    themeChanged(this);
-    if (options.lineWrapping)
-      this.display.wrapper.className += " CodeMirror-wrap";
-
-    // Initialize the content.
-    this.setValue(options.value || "");
-    // Override magic textarea content restore that IE sometimes does
-    // on our hidden textarea on reload
-    if (ie) setTimeout(bind(resetInput, this, true), 20);
-    this.view.history = makeHistory();
-
-    registerEventHandlers(this);
-    // IE throws unspecified error in certain cases, when
-    // trying to access activeElement before onload
-    var hasFocus; try { hasFocus = (document.activeElement == display.input); } catch(e) { }
-    if (hasFocus || (options.autofocus && !mobile)) setTimeout(bind(onFocus, this), 20);
-    else onBlur(this);
-
-    operation(this, function() {
-      for (var opt in optionHandlers)
-        if (optionHandlers.propertyIsEnumerable(opt))
-          optionHandlers[opt](this, options[opt], Init);
-      for (var i = 0; i < initHooks.length; ++i) initHooks[i](this);
-    })();
-  }
-
-  // DISPLAY CONSTRUCTOR
-
-  function makeDisplay(place) {
-    var d = {};
-    var input = d.input = elt("textarea", null, null, "position: absolute; padding: 0; width: 1px; height: 1em; outline: none;");
-    input.setAttribute("wrap", "off"); input.setAttribute("autocorrect", "off"); input.setAttribute("autocapitalize", "off");
-    // Wraps and hides input textarea
-    d.inputDiv = elt("div", [input], null, "overflow: hidden; position: relative; width: 3px; height: 0px;");
-    // The actual fake scrollbars.
-    d.scrollbarH = elt("div", [elt("div", null, null, "height: 1px")], "CodeMirror-hscrollbar");
-    d.scrollbarV = elt("div", [elt("div", null, null, "width: 1px")], "CodeMirror-vscrollbar");
-    d.scrollbarFiller = elt("div", null, "CodeMirror-scrollbar-filler");
-    // DIVs containing the selection and the actual code
-    d.lineDiv = elt("div");
-    d.selectionDiv = elt("div", null, null, "position: relative; z-index: 1");
-    // Blinky cursor, and element used to ensure cursor fits at the end of a line
-    d.cursor = elt("pre", "\u00a0", "CodeMirror-cursor");
-    // Secondary cursor, shown when on a 'jump' in bi-directional text
-    d.otherCursor = elt("pre", "\u00a0", "CodeMirror-cursor CodeMirror-secondarycursor");
-    // Used to measure text size
-    d.measure = elt("div", null, "CodeMirror-measure");
-    // Wraps everything that needs to exist inside the vertically-padded coordinate system
-    d.lineSpace = elt("div", [d.measure, d.selectionDiv, d.lineDiv, d.cursor, d.otherCursor],
-                         null, "position: relative; outline: none");
-    // Moved around its parent to cover visible view
-    d.mover = elt("div", [elt("div", [d.lineSpace], "CodeMirror-lines")], null, "position: relative");
-    // Set to the height of the text, causes scrolling
-    d.sizer = elt("div", [d.mover], "CodeMirror-sizer");
-    // D is needed because behavior of elts with overflow: auto and padding is inconsistent across browsers
-    d.heightForcer = elt("div", "\u00a0", null, "position: absolute; height: " + scrollerCutOff + "px");
-    // Will contain the gutters, if any
-    d.gutters = elt("div", null, "CodeMirror-gutters");
-    d.lineGutter = null;
-    // Helper element to properly size the gutter backgrounds
-    var scrollerInner = elt("div", [d.sizer, d.heightForcer, d.gutters], null, "position: relative; min-height: 100%");
-    // Provides scrolling
-    d.scroller = elt("div", [scrollerInner], "CodeMirror-scroll");
-    d.scroller.setAttribute("tabIndex", "-1");
-    // The element in which the editor lives.
-    d.wrapper = elt("div", [d.inputDiv, d.scrollbarH, d.scrollbarV,
-                            d.scrollbarFiller, d.scroller], "CodeMirror");
-    // Work around IE7 z-index bug
-    if (ie_lt8) { d.gutters.style.zIndex = -1; d.scroller.style.paddingRight = 0; }
-    if (place.appendChild) place.appendChild(d.wrapper); else place(d.wrapper);
-
-    // Needed to hide big blue blinking cursor on Mobile Safari
-    if (ios) input.style.width = "0px";
-    if (!webkit) d.scroller.draggable = true;
-    // Needed to handle Tab key in KHTML
-    if (khtml) { d.inputDiv.style.height = "1px"; d.inputDiv.style.position = "absolute"; }
-    // Need to set a minimum width to see the scrollbar on IE7 (but must not set it on IE8).
-    else if (ie_lt8) d.scrollbarH.style.minWidth = d.scrollbarV.style.minWidth = "18px";
-
-    // Current visible range (may be bigger than the view window).
-    d.viewOffset = d.showingFrom = d.showingTo = d.lastSizeC = 0;
-
-    // Used to only resize the line number gutter when necessary (when
-    // the amount of lines crosses a boundary that makes its width change)
-    d.lineNumWidth = d.lineNumInnerWidth = d.lineNumChars = null;
-    // See readInput and resetInput
-    d.prevInput = "";
-    // Set to true when a non-horizontal-scrolling widget is added. As
-    // an optimization, widget aligning is skipped when d is false.
-    d.alignWidgets = false;
-    // Flag that indicates whether we currently expect input to appear
-    // (after some event like 'keypress' or 'input') and are polling
-    // intensively.
-    d.pollingFast = false;
-    // Self-resetting timeout for the poller
-    d.poll = new Delayed();
-    // True when a drag from the editor is active
-    d.draggingText = false;
-
-    d.cachedCharWidth = d.cachedTextHeight = null;
-    d.measureLineCache = [];
-    d.measureLineCachePos = 0;
-
-    // Tracks when resetInput has punted to just putting a short
-    // string instead of the (large) selection.
-    d.inaccurateSelection = false;
-
-    // Used to adjust overwrite behaviour when a paste has been
-    // detected
-    d.pasteIncoming = false;
-
-    return d;
-  }
-
-  // VIEW CONSTRUCTOR
-
-  function makeView(doc) {
-    var selPos = {line: 0, ch: 0};
-    return {
-      doc: doc,
-      // frontier is the point up to which the content has been parsed,
-      frontier: 0, highlight: new Delayed(),
-      sel: {from: selPos, to: selPos, head: selPos, anchor: selPos, shift: false, extend: false},
-      scrollTop: 0, scrollLeft: 0,
-      overwrite: false, focused: false,
-      // Tracks the maximum line length so that
-      // the horizontal scrollbar can be kept
-      // static when scrolling.
-      maxLine: getLine(doc, 0),
-      maxLineLength: 0,
-      maxLineChanged: false,
-      suppressEdits: false,
-      goalColumn: null,
-      cantEdit: false,
-      keyMaps: []
-    };
-  }
-
-  // STATE UPDATES
-
-  // Used to get the editor into a consistent state again when options change.
-
-  function loadMode(cm) {
-    var doc = cm.view.doc;
-    cm.view.mode = CodeMirror.getMode(cm.options, cm.options.mode);
-    doc.iter(0, doc.size, function(line) { line.stateAfter = null; });
-    cm.view.frontier = 0;
-    startWorker(cm, 100);
-  }
-
-  function wrappingChanged(cm) {
-    var doc = cm.view.doc, th = textHeight(cm.display);
-    if (cm.options.lineWrapping) {
-      cm.display.wrapper.className += " CodeMirror-wrap";
-      var perLine = cm.display.scroller.clientWidth / charWidth(cm.display) - 3;
-      doc.iter(0, doc.size, function(line) {
-        if (line.height == 0) return;
-        var guess = Math.ceil(line.text.length / perLine) || 1;
-        if (guess != 1) updateLineHeight(line, guess * th);
-      });
-      cm.display.sizer.style.minWidth = "";
-    } else {
-      cm.display.wrapper.className = cm.display.wrapper.className.replace(" CodeMirror-wrap", "");
-      computeMaxLength(cm.view);
-      doc.iter(0, doc.size, function(line) {
-        if (line.height != 0) updateLineHeight(line, th);
-      });
-    }
-    regChange(cm, 0, doc.size);
-    clearCaches(cm);
-    setTimeout(function(){updateScrollbars(cm.display, cm.view.doc.height);}, 100);
-  }
-
-  function keyMapChanged(cm) {
-    var style = keyMap[cm.options.keyMap].style;
-    cm.display.wrapper.className = cm.display.wrapper.className.replace(/\s*cm-keymap-\S+/g, "") +
-      (style ? " cm-keymap-" + style : "");
-  }
-
-  function themeChanged(cm) {
-    cm.display.wrapper.className = cm.display.wrapper.className.replace(/\s*cm-s-\S+/g, "") +
-      cm.options.theme.replace(/(^|\s)\s*/g, " cm-s-");
-    clearCaches(cm);
-  }
-
-  function guttersChanged(cm) {
-    updateGutters(cm);
-    updateDisplay(cm, true);
-  }
-
-  function updateGutters(cm) {
-    var gutters = cm.display.gutters, specs = cm.options.gutters;
-    removeChildren(gutters);
-    for (var i = 0; i < specs.length; ++i) {
-      var gutterClass = specs[i];
-      var gElt = gutters.appendChild(elt("div", null, "CodeMirror-gutter " + gutterClass));
-      if (gutterClass == "CodeMirror-linenumbers") {
-        cm.display.lineGutter = gElt;
-        gElt.style.width = (cm.display.lineNumWidth || 1) + "px";
-      }
-    }
-    gutters.style.display = i ? "" : "none";
-  }
-
-  function lineLength(doc, line) {
-    if (line.height == 0) return 0;
-    var len = line.text.length, merged, cur = line;
-    while (merged = collapsedSpanAtStart(cur)) {
-      var found = merged.find();
-      cur = getLine(doc, found.from.line);
-      len += found.from.ch - found.to.ch;
-    }
-    cur = line;
-    while (merged = collapsedSpanAtEnd(cur)) {
-      var found = merged.find();
-      len -= cur.text.length - found.from.ch;
-      cur = getLine(doc, found.to.line);
-      len += cur.text.length - found.to.ch;
-    }
-    return len;
-  }
-
-  function computeMaxLength(view) {
-    view.maxLine = getLine(view.doc, 0);
-    view.maxLineLength = lineLength(view.doc, view.maxLine);
-    view.maxLineChanged = true;
-    view.doc.iter(1, view.doc.size, function(line) {
-      var len = lineLength(view.doc, line);
-      if (len > view.maxLineLength) {
-        view.maxLineLength = len;
-        view.maxLine = line;
-      }
-    });
-  }
-
-  // Make sure the gutters options contains the element
-  // "CodeMirror-linenumbers" when the lineNumbers option is true.
-  function setGuttersForLineNumbers(options) {
-    var found = false;
-    for (var i = 0; i < options.gutters.length; ++i) {
-      if (options.gutters[i] == "CodeMirror-linenumbers") {
-        if (options.lineNumbers) found = true;
-        else options.gutters.splice(i--, 1);
-      }
-    }
-    if (!found && options.lineNumbers)
-      options.gutters.push("CodeMirror-linenumbers");
-  }
-
-  // SCROLLBARS
-
-  // Re-synchronize the fake scrollbars with the actual size of the
-  // content. Optionally force a scrollTop.
-  function updateScrollbars(d /* display */, docHeight) {
-    var totalHeight = docHeight + 2 * paddingTop(d);
-    d.sizer.style.minHeight = d.heightForcer.style.top = totalHeight + "px";
-    var scrollHeight = Math.max(totalHeight, d.scroller.scrollHeight);
-    var needsH = d.scroller.scrollWidth > d.scroller.clientWidth;
-    var needsV = scrollHeight > d.scroller.clientHeight;
-    if (needsV) {
-      d.scrollbarV.style.display = "block";
-      d.scrollbarV.style.bottom = needsH ? scrollbarWidth(d.measure) + "px" : "0";
-      d.scrollbarV.firstChild.style.height = 
-        (scrollHeight - d.scroller.clientHeight + d.scrollbarV.clientHeight) + "px";
-    } else d.scrollbarV.style.display = "";
-    if (needsH) {
-      d.scrollbarH.style.display = "block";
-      d.scrollbarH.style.right = needsV ? scrollbarWidth(d.measure) + "px" : "0";
-      d.scrollbarH.firstChild.style.width =
-        (d.scroller.scrollWidth - d.scroller.clientWidth + d.scrollbarH.clientWidth) + "px";
-    } else d.scrollbarH.style.display = "";
-    if (needsH && needsV) {
-      d.scrollbarFiller.style.display = "block";
-      d.scrollbarFiller.style.height = d.scrollbarFiller.style.width = scrollbarWidth(d.measure) + "px";
-    } else d.scrollbarFiller.style.display = "";
-
-    if (mac_geLion && scrollbarWidth(d.measure) === 0)
-      d.scrollbarV.style.minWidth = d.scrollbarH.style.minHeight = mac_geMountainLion ? "18px" : "12px";
-  }
-
-  function visibleLines(display, doc, viewPort) {
-    var top = display.scroller.scrollTop, height = display.wrapper.clientHeight;
-    if (typeof viewPort == "number") top = viewPort;
-    else if (viewPort) {top = viewPort.top; height = viewPort.bottom - viewPort.top;}
-    top = Math.floor(top - paddingTop(display));
-    var bottom = Math.ceil(top + height);
-    return {from: lineAtHeight(doc, top), to: lineAtHeight(doc, bottom)};
-  }
-
-  // LINE NUMBERS
-
-  function alignHorizontally(cm) {
-    var display = cm.display;
-    if (!display.alignWidgets && !display.gutters.firstChild) return;
-    var comp = compensateForHScroll(display) - display.scroller.scrollLeft + cm.view.scrollLeft;
-    var gutterW = display.gutters.offsetWidth, l = comp + "px";
-    for (var n = display.lineDiv.firstChild; n; n = n.nextSibling) if (n.alignable) {
-      for (var i = 0, a = n.alignable; i < a.length; ++i) a[i].style.left = l;
-    }
-    display.gutters.style.left = (comp + gutterW) + "px";
-  }
-
-  function maybeUpdateLineNumberWidth(cm) {
-    if (!cm.options.lineNumbers) return false;
-    var doc = cm.view.doc, last = lineNumberFor(cm.options, doc.size - 1), display = cm.display;
-    if (last.length != display.lineNumChars) {
-      var test = display.measure.appendChild(elt("div", [elt("div", last)],
-                                                 "CodeMirror-linenumber CodeMirror-gutter-elt"));
-      var innerW = test.firstChild.offsetWidth, padding = test.offsetWidth - innerW;
-      display.lineGutter.style.width = "";
-      display.lineNumInnerWidth = Math.max(innerW, display.lineGutter.offsetWidth - padding);
-      display.lineNumWidth = display.lineNumInnerWidth + padding;
-      display.lineNumChars = display.lineNumInnerWidth ? last.length : -1;
-      display.lineGutter.style.width = display.lineNumWidth + "px";
-      return true;
-    }
-    return false;
-  }
-
-  function lineNumberFor(options, i) {
-    return String(options.lineNumberFormatter(i + options.firstLineNumber));
-  }
-  function compensateForHScroll(display) {
-    return display.scroller.getBoundingClientRect().left - display.sizer.getBoundingClientRect().left;
-  }
-
-  // DISPLAY DRAWING
-
-  function updateDisplay(cm, changes, viewPort) {
-    var oldFrom = cm.display.showingFrom, oldTo = cm.display.showingTo;
-    var updated = updateDisplayInner(cm, changes, viewPort);
-    if (updated) {
-      signalLater(cm, cm, "update", cm);
-      if (cm.display.showingFrom != oldFrom || cm.display.showingTo != oldTo)
-        signalLater(cm, cm, "viewportChange", cm, cm.display.showingFrom, cm.display.showingTo);
-    }
-    updateSelection(cm);
-    updateScrollbars(cm.display, cm.view.doc.height);
-
-    return updated;
-  }
-
-  // Uses a set of changes plus the current scroll position to
-  // determine which DOM updates have to be made, and makes the
-  // updates.
-  function updateDisplayInner(cm, changes, viewPort) {
-    var display = cm.display, doc = cm.view.doc;
-    if (!display.wrapper.clientWidth) {
-      display.showingFrom = display.showingTo = display.viewOffset = 0;
-      return;
-    }
-
-    // Compute the new visible window
-    // If scrollTop is specified, use that to determine which lines
-    // to render instead of the current scrollbar position.
-    var visible = visibleLines(display, doc, viewPort);
-    // Bail out if the visible area is already rendered and nothing changed.
-    if (changes !== true && changes.length == 0 &&
-        visible.from > display.showingFrom && visible.to < display.showingTo)
-      return;
-
-    if (changes && maybeUpdateLineNumberWidth(cm))
-      changes = true;
-    display.sizer.style.marginLeft = display.scrollbarH.style.left = display.gutters.offsetWidth + "px";
-
-    // When merged lines are present, the line that needs to be
-    // redrawn might not be the one that was changed.
-    if (changes !== true && sawCollapsedSpans)
-      for (var i = 0; i < changes.length; ++i) {
-        var ch = changes[i], merged;
-        while (merged = collapsedSpanAtStart(getLine(doc, ch.from))) {
-          var from = merged.find().from.line;
-          if (ch.diff) ch.diff -= ch.from - from;
-          ch.from = from;
-        }
-      }
-
-    // Used to determine which lines need their line numbers updated
-    var positionsChangedFrom = changes === true ? 0 : Infinity;
-    if (cm.options.lineNumbers && changes && changes !== true)
-      for (var i = 0; i < changes.length; ++i)
-        if (changes[i].diff) { positionsChangedFrom = changes[i].from; break; }
-
-    var from = Math.max(visible.from - cm.options.viewportMargin, 0);
-    var to = Math.min(doc.size, visible.to + cm.options.viewportMargin);
-    if (display.showingFrom < from && from - display.showingFrom < 20) from = display.showingFrom;
-    if (display.showingTo > to && display.showingTo - to < 20) to = Math.min(doc.size, display.showingTo);
-    if (sawCollapsedSpans) {
-      from = lineNo(visualLine(doc, getLine(doc, from)));
-      while (to < doc.size && lineIsHidden(getLine(doc, to))) ++to;
-    }
-
-    // Create a range of theoretically intact lines, and punch holes
-    // in that using the change info.
-    var intact = changes === true ? [] :
-      computeIntact([{from: display.showingFrom, to: display.showingTo}], changes);
-    // Clip off the parts that won't be visible
-    var intactLines = 0;
-    for (var i = 0; i < intact.length; ++i) {
-      var range = intact[i];
-      if (range.from < from) range.from = from;
-      if (range.to > to) range.to = to;
-      if (range.from >= range.to) intact.splice(i--, 1);
-      else intactLines += range.to - range.from;
-    }
-    if (intactLines == to - from && from == display.showingFrom && to == display.showingTo)
-      return;
-    intact.sort(function(a, b) {return a.from - b.from;});
-
-    if (intactLines < (to - from) * .7) display.lineDiv.style.display = "none";
-    patchDisplay(cm, from, to, intact, positionsChangedFrom);
-    display.lineDiv.style.display = "";
-
-    var different = from != display.showingFrom || to != display.showingTo ||
-      display.lastSizeC != display.wrapper.clientHeight;
-    // This is just a bogus formula that detects when the editor is
-    // resized or the font size changes.
-    if (different) display.lastSizeC = display.wrapper.clientHeight;
-    display.showingFrom = from; display.showingTo = to;
-    startWorker(cm, 100);
-
-    var prevBottom = display.lineDiv.offsetTop;
-    for (var node = display.lineDiv.firstChild, height; node; node = node.nextSibling) if (node.lineObj) {
-      if (ie_lt8) {
-        var bot = node.offsetTop + node.offsetHeight;
-        height = bot - prevBottom;
-        prevBottom = bot;
-      } else {
-        var box = node.getBoundingClientRect();
-        height = box.bottom - box.top;
-      }
-      var diff = node.lineObj.height - height;
-      if (height < 2) height = textHeight(display);
-      if (diff > .001 || diff < -.001)
-        updateLineHeight(node.lineObj, height);
-    }
-    display.viewOffset = heightAtLine(cm, getLine(doc, from));
-    // Position the mover div to align with the current virtual scroll position
-    display.mover.style.top = display.viewOffset + "px";
-    return true;
-  }
-
-  function computeIntact(intact, changes) {
-    for (var i = 0, l = changes.length || 0; i < l; ++i) {
-      var change = changes[i], intact2 = [], diff = change.diff || 0;
-      for (var j = 0, l2 = intact.length; j < l2; ++j) {
-        var range = intact[j];
-        if (change.to <= range.from && change.diff) {
-          intact2.push({from: range.from + diff, to: range.to + diff});
-        } else if (change.to <= range.from || change.from >= range.to) {
-          intact2.push(range);
-        } else {
-          if (change.from > range.from)
-            intact2.push({from: range.from, to: change.from});
-          if (change.to < range.to)
-            intact2.push({from: change.to + diff, to: range.to + diff});
-        }
-      }
-      intact = intact2;
-    }
-    return intact;
-  }
-
-  function getDimensions(cm) {
-    var d = cm.display, left = {}, width = {};
-    for (var n = d.gutters.firstChild, i = 0; n; n = n.nextSibling, ++i) {
-      left[cm.options.gutters[i]] = n.offsetLeft;
-      width[cm.options.gutters[i]] = n.offsetWidth;
-    }
-    return {fixedPos: compensateForHScroll(d),
-            gutterTotalWidth: d.gutters.offsetWidth,
-            gutterLeft: left,
-            gutterWidth: width,
-            wrapperWidth: d.wrapper.clientWidth};
-  }
-
-  function patchDisplay(cm, from, to, intact, updateNumbersFrom) {
-    var dims = getDimensions(cm);
-    var display = cm.display, lineNumbers = cm.options.lineNumbers;
-    // IE does bad things to nodes when .innerHTML = "" is used on a parent
-    // we still need widgets and markers intact to add back to the new content later
-    if (!intact.length && !ie && (!webkit || !cm.display.currentWheelTarget))
-      removeChildren(display.lineDiv);
-    var container = display.lineDiv, cur = container.firstChild;
-
-    function rm(node) {
-      var next = node.nextSibling;
-      if (webkit && mac && cm.display.currentWheelTarget == node) {
-        node.style.display = "none";
-        node.lineObj = null;
-      } else {
-        container.removeChild(node);
-      }
-      return next;
-    }
-
-    var nextIntact = intact.shift(), lineNo = from;
-    cm.view.doc.iter(from, to, function(line) {
-      if (nextIntact && nextIntact.to == lineNo) nextIntact = intact.shift();
-      if (lineIsHidden(line)) {
-        if (line.height != 0) updateLineHeight(line, 0);
-      } else if (nextIntact && nextIntact.from <= lineNo && nextIntact.to > lineNo) {
-        // This line is intact. Skip to the actual node. Update its
-        // line number if needed.
-        while (cur.lineObj != line) cur = rm(cur);
-        if (lineNumbers && updateNumbersFrom <= lineNo && cur.lineNumber)
-          setTextContent(cur.lineNumber, lineNumberFor(cm.options, lineNo));
-        cur = cur.nextSibling;
-      } else {
-        // This line needs to be generated.
-        var lineNode = buildLineElement(cm, line, lineNo, dims);
-        container.insertBefore(lineNode, cur);
-        lineNode.lineObj = line;
-      }
-      ++lineNo;
-    });
-    while (cur) cur = rm(cur);
-  }
-
-  function buildLineElement(cm, line, lineNo, dims) {
-    var lineElement = lineContent(cm, line);
-    var markers = line.gutterMarkers, display = cm.display;
-
-    if (!cm.options.lineNumbers && !markers && !line.bgClass && !line.wrapClass &&
-        (!line.widgets || !line.widgets.length)) return lineElement;
-
-    // Lines with gutter elements or a background class need
-    // to be wrapped again, and have the extra elements added
-    // to the wrapper div
-
-    var wrap = elt("div", null, line.wrapClass, "position: relative");
-    if (cm.options.lineNumbers || markers) {
-      var gutterWrap = wrap.appendChild(elt("div", null, null, "position: absolute; left: " +
-                                            dims.fixedPos + "px"));
-      wrap.alignable = [gutterWrap];
-      if (cm.options.lineNumbers && (!markers || !markers["CodeMirror-linenumbers"]))
-        wrap.lineNumber = gutterWrap.appendChild(
-          elt("div", lineNumberFor(cm.options, lineNo),
-              "CodeMirror-linenumber CodeMirror-gutter-elt",
-              "left: " + dims.gutterLeft["CodeMirror-linenumbers"] + "px; width: "
-              + display.lineNumInnerWidth + "px"));
-      if (markers)
-        for (var k = 0; k < cm.options.gutters.length; ++k) {
-          var id = cm.options.gutters[k], found = markers.hasOwnProperty(id) && markers[id];
-          if (found)
-            gutterWrap.appendChild(elt("div", [found], "CodeMirror-gutter-elt", "left: " +
-                                       dims.gutterLeft[id] + "px; width: " + dims.gutterWidth[id] + "px"));
-        }
-    }
-    // Kludge to make sure the styled element lies behind the selection (by z-index)
-    if (line.bgClass)
-      wrap.appendChild(elt("div", "\u00a0", line.bgClass + " CodeMirror-linebackground"));
-    wrap.appendChild(lineElement);
-    if (line.widgets)
-      for (var i = 0, ws = line.widgets; i < ws.length; ++i) {
-        var widget = ws[i], node = elt("div", [widget.node], "CodeMirror-linewidget");
-        node.widget = widget;
-        if (widget.noHScroll) {
-          (wrap.alignable || (wrap.alignable = [])).push(node);
-          var width = dims.wrapperWidth;
-          node.style.left = dims.fixedPos + "px";
-          if (!widget.coverGutter) {
-            width -= dims.gutterTotalWidth;
-            node.style.paddingLeft = dims.gutterTotalWidth + "px";
-          }
-          node.style.width = width + "px";
-        }
-        if (widget.coverGutter) {
-          node.style.zIndex = 5;
-          node.style.position = "relative";
-          if (!widget.noHScroll) node.style.marginLeft = -dims.gutterTotalWidth + "px";
-        }
-        if (widget.above)
-          wrap.insertBefore(node, cm.options.lineNumbers && line.height != 0 ? gutterWrap : lineElement);
-        else
-          wrap.appendChild(node);
-      }
-
-    if (ie_lt8) wrap.style.zIndex = 2;
-    return wrap;
-  }
-
-  // SELECTION / CURSOR
-
-  function updateSelection(cm) {
-    var display = cm.display;
-    var collapsed = posEq(cm.view.sel.from, cm.view.sel.to);
-    if (collapsed || cm.options.showCursorWhenSelecting)
-      updateSelectionCursor(cm);
-    else
-      display.cursor.style.display = display.otherCursor.style.display = "none";
-    if (!collapsed)
-      updateSelectionRange(cm);
-    else
-      display.selectionDiv.style.display = "none";
-
-    // Move the hidden textarea near the cursor to prevent scrolling artifacts
-    var headPos = cursorCoords(cm, cm.view.sel.head, "div");
-    var wrapOff = display.wrapper.getBoundingClientRect(), lineOff = display.lineDiv.getBoundingClientRect();
-    display.inputDiv.style.top = Math.max(0, Math.min(display.wrapper.clientHeight - 10,
-                                                      headPos.top + lineOff.top - wrapOff.top)) + "px";
-    display.inputDiv.style.left = Math.max(0, Math.min(display.wrapper.clientWidth - 10,
-                                                       headPos.left + lineOff.left - wrapOff.left)) + "px";
-  }
-
-  // No selection, plain cursor
-  function updateSelectionCursor(cm) {
-    var display = cm.display, pos = cursorCoords(cm, cm.view.sel.head, "div");
-    display.cursor.style.left = pos.left + "px";
-    display.cursor.style.top = pos.top + "px";
-    display.cursor.style.height = Math.max(0, pos.bottom - pos.top) * cm.options.cursorHeight + "px";
-    display.cursor.style.display = "";
-
-    if (pos.other) {
-      display.otherCursor.style.display = "";
-      display.otherCursor.style.left = pos.other.left + "px";
-      display.otherCursor.style.top = pos.other.top + "px";
-      display.otherCursor.style.height = (pos.other.bottom - pos.other.top) * .85 + "px";
-    } else { display.otherCursor.style.display = "none"; }
-  }
-
-  // Highlight selection
-  function updateSelectionRange(cm) {
-    var display = cm.display, doc = cm.view.doc, sel = cm.view.sel;
-    var fragment = document.createDocumentFragment();
-    var clientWidth = display.lineSpace.offsetWidth, pl = paddingLeft(cm.display);
-
-    function add(left, top, width, bottom) {
-      if (top < 0) top = 0;
-      fragment.appendChild(elt("div", null, "CodeMirror-selected", "position: absolute; left: " + left +
-                               "px; top: " + top + "px; width: " + (width == null ? clientWidth - left : width) +
-                               "px; height: " + (bottom - top) + "px"));
-    }
-
-    function drawForLine(line, fromArg, toArg, retTop) {
-      var lineObj = getLine(doc, line);
-      var lineLen = lineObj.text.length, rVal = retTop ? Infinity : -Infinity;
-      function coords(ch) {
-        return charCoords(cm, {line: line, ch: ch}, "div", lineObj);
-      }
-
-      iterateBidiSections(getOrder(lineObj), fromArg || 0, toArg == null ? lineLen : toArg, function(from, to, dir) {
-        var leftPos = coords(dir == "rtl" ? to - 1 : from);
-        var rightPos = coords(dir == "rtl" ? from : to - 1);
-        var left = leftPos.left, right = rightPos.right;
-        if (rightPos.top - leftPos.top > 3) { // Different lines, draw top part
-          add(left, leftPos.top, null, leftPos.bottom);
-          left = pl;
-          if (leftPos.bottom < rightPos.top) add(left, leftPos.bottom, null, rightPos.top);
-        }
-        if (toArg == null && to == lineLen) right = clientWidth;
-        if (fromArg == null && from == 0) left = pl;
-        rVal = retTop ? Math.min(rightPos.top, rVal) : Math.max(rightPos.bottom, rVal);
-        if (left < pl + 1) left = pl;
-        add(left, rightPos.top, right - left, rightPos.bottom);
-      });
-      return rVal;
-    }
-
-    if (sel.from.line == sel.to.line) {
-      drawForLine(sel.from.line, sel.from.ch, sel.to.ch);
-    } else {
-      var fromObj = getLine(doc, sel.from.line);
-      var cur = fromObj, merged, path = [sel.from.line, sel.from.ch], singleLine;
-      while (merged = collapsedSpanAtEnd(cur)) {
-        var found = merged.find();
-        path.push(found.from.ch, found.to.line, found.to.ch);
-        if (found.to.line == sel.to.line) {
-          path.push(sel.to.ch);
-          singleLine = true;
-          break;
-        }
-        cur = getLine(doc, found.to.line);
-      }
-
-      // This is a single, merged line
-      if (singleLine) {
-        for (var i = 0; i < path.length; i += 3)
-          drawForLine(path[i], path[i+1], path[i+2]);
-      } else {
-        var middleTop, middleBot, toObj = getLine(doc, sel.to.line);
-        if (sel.from.ch)
-          // Draw the first line of selection.
-          middleTop = drawForLine(sel.from.line, sel.from.ch, null, false);
-        else
-          // Simply include it in the middle block.
-          middleTop = heightAtLine(cm, fromObj) - display.viewOffset;
-
-        if (!sel.to.ch)
-          middleBot = heightAtLine(cm, toObj) - display.viewOffset;
-        else
-          middleBot = drawForLine(sel.to.line, collapsedSpanAtStart(toObj) ? null : 0, sel.to.ch, true);
-
-        if (middleTop < middleBot) add(pl, middleTop, null, middleBot);
-      }
-    }
-
-    removeChildrenAndAdd(display.selectionDiv, fragment);
-    display.selectionDiv.style.display = "";
-  }
-
-  // Cursor-blinking
-  function restartBlink(cm) {
-    var display = cm.display;
-    clearInterval(display.blinker);
-    var on = true;
-    display.cursor.style.visibility = display.otherCursor.style.visibility = "";
-    display.blinker = setInterval(function() {
-      if (!display.cursor.offsetHeight) return;
-      display.cursor.style.visibility = display.otherCursor.style.visibility = (on = !on) ? "" : "hidden";
-    }, cm.options.cursorBlinkRate);
-  }
-
-  // HIGHLIGHT WORKER
-
-  function startWorker(cm, time) {
-    if (cm.view.frontier < cm.display.showingTo)
-      cm.view.highlight.set(time, bind(highlightWorker, cm));
-  }
-
-  function highlightWorker(cm) {
-    var view = cm.view, doc = view.doc;
-    if (view.frontier >= cm.display.showingTo) return;
-    var end = +new Date + cm.options.workTime;
-    var state = copyState(view.mode, getStateBefore(cm, view.frontier));
-    var changed = [], prevChange;
-    doc.iter(view.frontier, Math.min(doc.size, cm.display.showingTo + 500), function(line) {
-      if (view.frontier >= cm.display.showingFrom) { // Visible
-        if (highlightLine(cm, line, state) && view.frontier >= cm.display.showingFrom) {
-          if (prevChange && prevChange.end == view.frontier) prevChange.end++;
-          else changed.push(prevChange = {start: view.frontier, end: view.frontier + 1});
-        }
-        line.stateAfter = copyState(view.mode, state);
-      } else {
-        processLine(cm, line, state);
-        line.stateAfter = view.frontier % 5 == 0 ? copyState(view.mode, state) : null;
-      }
-      ++view.frontier;
-      if (+new Date > end) {
-        startWorker(cm, cm.options.workDelay);
-        return true;
-      }
-    });
-    if (changed.length)
-      operation(cm, function() {
-        for (var i = 0; i < changed.length; ++i)
-          regChange(this, changed[i].start, changed[i].end);
-      })();
-  }
-
-  // Finds the line to start with when starting a parse. Tries to
-  // find a line with a stateAfter, so that it can start with a
-  // valid state. If that fails, it returns the line with the
-  // smallest indentation, which tends to need the least context to
-  // parse correctly.
-  function findStartLine(cm, n) {
-    var minindent, minline, doc = cm.view.doc;
-    for (var search = n, lim = n - 100; search > lim; --search) {
-      if (search == 0) return 0;
-      var line = getLine(doc, search-1);
-      if (line.stateAfter) return search;
-      var indented = countColumn(line.text, null, cm.options.tabSize);
-      if (minline == null || minindent > indented) {
-        minline = search - 1;
-        minindent = indented;
-      }
-    }
-    return minline;
-  }
-
-  function getStateBefore(cm, n) {
-    var view = cm.view;
-    var pos = findStartLine(cm, n), state = pos && getLine(view.doc, pos-1).stateAfter;
-    if (!state) state = startState(view.mode);
-    else state = copyState(view.mode, state);
-    view.doc.iter(pos, n, function(line) {
-      processLine(cm, line, state);
-      var save = pos == n - 1 || pos % 5 == 0 || pos >= view.showingFrom && pos < view.showingTo;
-      line.stateAfter = save ? copyState(view.mode, state) : null;
-      ++pos;
-    });
-    return state;
-  }
-
-  // POSITION MEASUREMENT
-  
-  function paddingTop(display) {return display.lineSpace.offsetTop;}
-  function paddingLeft(display) {
-    var e = removeChildrenAndAdd(display.measure, elt("pre")).appendChild(elt("span", "x"));
-    return e.offsetLeft;
-  }
-
-  function measureChar(cm, line, ch, data) {
-    var data = data || measureLine(cm, line), dir = -1;
-    for (var pos = ch;; pos += dir) {
-      var r = data[pos];
-      if (r) break;
-      if (dir < 0 && pos == 0) dir = 1;
-    }
-    return {left: pos < ch ? r.right : r.left,
-            right: pos > ch ? r.left : r.right,
-            top: r.top, bottom: r.bottom};
-  }
-
-  function measureLine(cm, line) {
-    // First look in the cache
-    var display = cm.display, cache = cm.display.measureLineCache;
-    for (var i = 0; i < cache.length; ++i) {
-      var memo = cache[i];
-      if (memo.text == line.text && memo.markedSpans == line.markedSpans &&
-          display.scroller.clientWidth == memo.width)
-        return memo.measure;
-    }
-    
-    var measure = measureLineInner(cm, line);
-    // Store result in the cache
-    var memo = {text: line.text, width: display.scroller.clientWidth,
-                markedSpans: line.markedSpans, measure: measure};
-    if (cache.length == 16) cache[++display.measureLineCachePos % 16] = memo;
-    else cache.push(memo);
-    return measure;
-  }
-
-  function measureLineInner(cm, line) {
-    var display = cm.display, measure = emptyArray(line.text.length);
-    var pre = lineContent(cm, line, measure);
-
-    // IE does not cache element positions of inline elements between
-    // calls to getBoundingClientRect. This makes the loop below,
-    // which gathers the positions of all the characters on the line,
-    // do an amount of layout work quadratic to the number of
-    // characters. When line wrapping is off, we try to improve things
-    // by first subdividing the line into a bunch of inline blocks, so
-    // that IE can reuse most of the layout information from caches
-    // for those blocks. This does interfere with line wrapping, so it
-    // doesn't work when wrapping is on, but in that case the
-    // situation is slightly better, since IE does cache line-wrapping
-    // information and only recomputes per-line.
-    if (ie && !ie_lt8 && !cm.options.lineWrapping && pre.childNodes.length > 100) {
-      var fragment = document.createDocumentFragment();
-      var chunk = 10, n = pre.childNodes.length;
-      for (var i = 0, chunks = Math.ceil(n / chunk); i < chunks; ++i) {
-        var wrap = elt("div", null, null, "display: inline-block");
-        for (var j = 0; j < chunk && n; ++j) {
-          wrap.appendChild(pre.firstChild);
-          --n;
-        }
-        fragment.appendChild(wrap);
-      }
-      pre.appendChild(fragment);
-    }
-
-    removeChildrenAndAdd(display.measure, pre);
-
-    var outer = display.lineDiv.getBoundingClientRect();
-    var vranges = [], data = emptyArray(line.text.length), maxBot = pre.offsetHeight;
-    for (var i = 0, cur; i < measure.length; ++i) if (cur = measure[i]) {
-      var size = cur.getBoundingClientRect();
-      var top = Math.max(0, size.top - outer.top), bot = Math.min(size.bottom - outer.top, maxBot);
-      for (var j = 0; j < vranges.length; j += 2) {
-        var rtop = vranges[j], rbot = vranges[j+1];
-        if (rtop > bot || rbot < top) continue;
-        if (rtop <= top && rbot >= bot ||
-            top <= rtop && bot >= rbot ||
-            Math.min(bot, rbot) - Math.max(top, rtop) >= (bot - top) >> 1) {
-          vranges[j] = Math.min(top, rtop);
-          vranges[j+1] = Math.max(bot, rbot);
-          break;
-        }
-      }
-      if (j == vranges.length) vranges.push(top, bot);
-      data[i] = {left: size.left - outer.left, right: size.right - outer.left, top: j};
-    }
-    for (var i = 0, cur; i < data.length; ++i) if (cur = data[i]) {
-      var vr = cur.top;
-      cur.top = vranges[vr]; cur.bottom = vranges[vr+1];
-    }
-    return data;
-  }
-
-  function clearCaches(cm) {
-    cm.display.measureLineCache.length = cm.display.measureLineCachePos = 0;
-    cm.display.cachedCharWidth = cm.display.cachedTextHeight = null;
-    cm.view.maxLineChanged = true;
-  }
-
-  // Context is one of "line", "div" (display.lineDiv), "local"/null (editor), or "page"
-  function intoCoordSystem(cm, lineObj, rect, context) {
-    if (lineObj.widgets) for (var i = 0; i < lineObj.widgets.length; ++i) if (lineObj.widgets[i].above) {
-      var size = lineObj.widgets[i].node.offsetHeight;
-      rect.top += size; rect.bottom += size;
-    }
-    if (context == "line") return rect;
-    if (!context) context = "local";
-    var yOff = heightAtLine(cm, lineObj);
-    if (context != "local") yOff -= cm.display.viewOffset;
-    if (context == "page") {
-      var lOff = cm.display.lineSpace.getBoundingClientRect();
-      yOff += lOff.top + (window.pageYOffset || (document.documentElement || document.body).scrollTop);
-      var xOff = lOff.left + (window.pageXOffset || (document.documentElement || document.body).scrollLeft);
-      rect.left += xOff; rect.right += xOff;
-    }
-    rect.top += yOff; rect.bottom += yOff;
-    return rect;
-  }
-
-  function charCoords(cm, pos, context, lineObj) {
-    if (!lineObj) lineObj = getLine(cm.view.doc, pos.line);
-    return intoCoordSystem(cm, lineObj, measureChar(cm, lineObj, pos.ch), context);
-  }
-
-  function cursorCoords(cm, pos, context, lineObj, measurement) {
-    lineObj = lineObj || getLine(cm.view.doc, pos.line);
-    if (!measurement) measurement = measureLine(cm, lineObj);
-    function get(ch, right) {
-      var m = measureChar(cm, lineObj, ch, measurement);
-      if (right) m.left = m.right; else m.right = m.left;
-      return intoCoordSystem(cm, lineObj, m, context);
-    }
-    var order = getOrder(lineObj), ch = pos.ch;
-    if (!order) return get(ch);
-    var main, other, linedir = order[0].level;
-    for (var i = 0; i < order.length; ++i) {
-      var part = order[i], rtl = part.level % 2, nb, here;
-      if (part.from < ch && part.to > ch) return get(ch, rtl);
-      var left = rtl ? part.to : part.from, right = rtl ? part.from : part.to;
-      if (left == ch) {
-        // Opera and IE return bogus offsets and widths for edges
-        // where the direction flips, but only for the side with the
-        // lower level. So we try to use the side with the higher
-        // level.
-        if (i && part.level < (nb = order[i-1]).level) here = get(nb.level % 2 ? nb.from : nb.to - 1, true);
-        else here = get(rtl && part.from != part.to ? ch - 1 : ch);
-        if (rtl == linedir) main = here; else other = here;
-      } else if (right == ch) {
-        var nb = i < order.length - 1 && order[i+1];
-        if (!rtl && nb && nb.from == nb.to) continue;
-        if (nb && part.level < nb.level) here = get(nb.level % 2 ? nb.to - 1 : nb.from);
-        else here = get(rtl ? ch : ch - 1, true);
-        if (rtl == linedir) main = here; else other = here;
-      }
-    }
-    if (linedir && !ch) other = get(order[0].to - 1);
-    if (!main) return other;
-    if (other) main.other = other;
-    return main;
-  }
-
-  // Coords must be lineSpace-local
-  function coordsChar(cm, x, y) {
-    var doc = cm.view.doc;
-    y += cm.display.viewOffset;
-    if (y < 0) return {line: 0, ch: 0, outside: true};
-    var lineNo = lineAtHeight(doc, y);
-    if (lineNo >= doc.size) return {line: doc.size - 1, ch: getLine(doc, doc.size - 1).text.length};
-    if (x < 0) x = 0;
-
-    for (;;) {
-      var lineObj = getLine(doc, lineNo);
-      var found = coordsCharInner(cm, lineObj, lineNo, x, y);
-      var merged = collapsedSpanAtEnd(lineObj);
-      if (merged && found.ch == lineRight(lineObj))
-        lineNo = merged.find().to.line;
-      else
-        return found;
-    }
-  }
-
-  function coordsCharInner(cm, lineObj, lineNo, x, y) {
-    var innerOff = y - heightAtLine(cm, lineObj);
-    var wrongLine = false, cWidth = cm.display.wrapper.clientWidth;
-    var measurement = measureLine(cm, lineObj);
-
-    function getX(ch) {
-      var sp = cursorCoords(cm, {line: lineNo, ch: ch}, "line",
-                            lineObj, measurement);
-      wrongLine = true;
-      if (innerOff > sp.bottom) return Math.max(0, sp.left - cWidth);
-      else if (innerOff < sp.top) return sp.left + cWidth;
-      else wrongLine = false;
-      return sp.left;
-    }
-
-    var bidi = getOrder(lineObj), dist = lineObj.text.length;
-    var from = lineLeft(lineObj), to = lineRight(lineObj);
-    var fromX = paddingLeft(cm.display), toX = getX(to);
-
-    if (x > toX) return {line: lineNo, ch: to, outside: wrongLine};
-    // Do a binary search between these bounds.
-    for (;;) {
-      if (bidi ? to == from || to == moveVisually(lineObj, from, 1) : to - from <= 1) {
-        var after = x - fromX < toX - x, ch = after ? from : to;
-        while (isExtendingChar.test(lineObj.text.charAt(ch))) ++ch;
-        return {line: lineNo, ch: ch, after: after, outside: wrongLine};
-      }
-      var step = Math.ceil(dist / 2), middle = from + step;
-      if (bidi) {
-        middle = from;
-        for (var i = 0; i < step; ++i) middle = moveVisually(lineObj, middle, 1);
-      }
-      var middleX = getX(middle);
-      if (middleX > x) {to = middle; toX = middleX; if (wrongLine) toX += 1000; dist -= step;}
-      else {from = middle; fromX = middleX; dist = step;}
-    }
-  }
-
-  var measureText;
-  function textHeight(display) {
-    if (display.cachedTextHeight != null) return display.cachedTextHeight;
-    if (measureText == null) {
-      measureText = elt("pre");
-      // Measure a bunch of lines, for browsers that compute
-      // fractional heights.
-      for (var i = 0; i < 49; ++i) {
-        measureText.appendChild(document.createTextNode("x"));
-        measureText.appendChild(elt("br"));
-      }
-      measureText.appendChild(document.createTextNode("x"));
-    }
-    removeChildrenAndAdd(display.measure, measureText);
-    var height = measureText.offsetHeight / 50;
-    if (height > 3) display.cachedTextHeight = height;
-    removeChildren(display.measure);
-    return height || 1;
-  }
-
-  function charWidth(display) {
-    if (display.cachedCharWidth != null) return display.cachedCharWidth;
-    var anchor = elt("span", "x");
-    var pre = elt("pre", [anchor]);
-    removeChildrenAndAdd(display.measure, pre);
-    var width = anchor.offsetWidth;
-    if (width > 2) display.cachedCharWidth = width;
-    return width || 10;
-  }
-
-  // OPERATIONS
-
-  // Operations are used to wrap changes in such a way that each
-  // change won't have to update the cursor and display (which would
-  // be awkward, slow, and error-prone), but instead updates are
-  // batched and then all combined and executed at once.
-
-  function startOperation(cm) {
-    if (cm.curOp) ++cm.curOp.depth;
-    else cm.curOp = {
-      // Nested operations delay update until the outermost one
-      // finishes.
-      depth: 1,
-      // An array of ranges of lines that have to be updated. See
-      // updateDisplay.
-      changes: [],
-      delayedCallbacks: [],
-      updateInput: null,
-      userSelChange: null,
-      textChanged: null,
-      selectionChanged: false,
-      updateMaxLine: false,
-      id: ++cm.nextOpId
-    };
-  }
-
-  function endOperation(cm) {
-    var op = cm.curOp;
-    if (--op.depth) return;
-    cm.curOp = null;
-    var view = cm.view, display = cm.display;
-    if (op.updateMaxLine) computeMaxLength(view);
-    if (view.maxLineChanged && !cm.options.lineWrapping) {
-      var width = measureChar(cm, view.maxLine, view.maxLine.text.length).right;
-      display.sizer.style.minWidth = (width + 3 + scrollerCutOff) + "px";
-      view.maxLineChanged = false;
-    }
-    var newScrollPos, updated;
-    if (op.selectionChanged) {
-      var coords = cursorCoords(cm, view.sel.head);
-      newScrollPos = calculateScrollPos(cm, coords.left, coords.top, coords.left, coords.bottom);
-    }
-    if (op.changes.length || newScrollPos && newScrollPos.scrollTop != null)
-      updated = updateDisplay(cm, op.changes, newScrollPos && newScrollPos.scrollTop);
-    if (!updated && op.selectionChanged) updateSelection(cm);
-    if (newScrollPos) scrollCursorIntoView(cm);
-    if (op.selectionChanged) restartBlink(cm);
-
-    if (view.focused && op.updateInput)
-      resetInput(cm, op.userSelChange);
-
-    if (op.textChanged)
-      signal(cm, "change", cm, op.textChanged);
-    if (op.selectionChanged) signal(cm, "cursorActivity", cm);
-    for (var i = 0; i < op.delayedCallbacks.length; ++i) op.delayedCallbacks[i](cm);
-  }
-
-  // Wraps a function in an operation. Returns the wrapped function.
-  function operation(cm1, f) {
-    return function() {
-      var cm = cm1 || this;
-      startOperation(cm);
-      try {var result = f.apply(cm, arguments);}
-      finally {endOperation(cm);}
-      return result;
-    };
-  }
-
-  function regChange(cm, from, to, lendiff) {
-    cm.curOp.changes.push({from: from, to: to, diff: lendiff});
-  }
-
-  // INPUT HANDLING
-
-  function slowPoll(cm) {
-    if (cm.view.pollingFast) return;
-    cm.display.poll.set(cm.options.pollInterval, function() {
-      readInput(cm);
-      if (cm.view.focused) slowPoll(cm);
-    });
-  }
-
-  function fastPoll(cm) {
-    var missed = false;
-    cm.display.pollingFast = true;
-    function p() {
-      var changed = readInput(cm);
-      if (!changed && !missed) {missed = true; cm.display.poll.set(60, p);}
-      else {cm.display.pollingFast = false; slowPoll(cm);}
-    }
-    cm.display.poll.set(20, p);
-  }
-
-  // prevInput is a hack to work with IME. If we reset the textarea
-  // on every change, that breaks IME. So we look for changes
-  // compared to the previous content instead. (Modern browsers have
-  // events that indicate IME taking place, but these are not widely
-  // supported or compatible enough yet to rely on.)
-  function readInput(cm) {
-    var input = cm.display.input, prevInput = cm.display.prevInput, view = cm.view, sel = view.sel;
-    if (!view.focused || hasSelection(input) || isReadOnly(cm)) return false;
-    var text = input.value;
-    if (text == prevInput && posEq(sel.from, sel.to)) return false;
-    startOperation(cm);
-    view.sel.shift = false;
-    var same = 0, l = Math.min(prevInput.length, text.length);
-    while (same < l && prevInput[same] == text[same]) ++same;
-    var from = sel.from, to = sel.to;
-    if (same < prevInput.length)
-      from = {line: from.line, ch: from.ch - (prevInput.length - same)};
-    else if (view.overwrite && posEq(from, to) && !cm.display.pasteIncoming)
-      to = {line: to.line, ch: Math.min(getLine(cm.view.doc, to.line).text.length, to.ch + (text.length - same))};
-    var updateInput = cm.curOp.updateInput;
-    updateDoc(cm, from, to, splitLines(text.slice(same)), "end",
-              cm.display.pasteIncoming ? "paste" : "input", {from: from, to: to});
-    cm.curOp.updateInput = updateInput;
-    if (text.length > 1000) input.value = cm.display.prevInput = "";
-    else cm.display.prevInput = text;
-    endOperation(cm);
-    cm.display.pasteIncoming = false;
-    return true;
-  }
-
-  function resetInput(cm, user) {
-    var view = cm.view, minimal, selected;
-    if (!posEq(view.sel.from, view.sel.to)) {
-      cm.display.prevInput = "";
-      minimal = hasCopyEvent &&
-        (view.sel.to.line - view.sel.from.line > 100 || (selected = cm.getSelection()).length > 1000);
-      if (minimal) cm.display.input.value = "-";
-      else cm.display.input.value = selected || cm.getSelection();
-      if (view.focused) selectInput(cm.display.input);
-    } else if (user) cm.display.prevInput = cm.display.input.value = "";
-    cm.display.inaccurateSelection = minimal;
-  }
-
-  function focusInput(cm) {
-    if (cm.options.readOnly != "nocursor" && (ie || document.activeElement != cm.display.input))
-      cm.display.input.focus();
-  }
-
-  function isReadOnly(cm) {
-    return cm.options.readOnly || cm.view.cantEdit;
-  }
-
-  // EVENT HANDLERS
-
-  function registerEventHandlers(cm) {
-    var d = cm.display;
-    on(d.scroller, "mousedown", operation(cm, onMouseDown));
-    on(d.scroller, "dblclick", operation(cm, e_preventDefault));
-    on(d.lineSpace, "selectstart", function(e) {
-      if (!mouseEventInWidget(d, e)) e_preventDefault(e);
-    });
-    // Gecko browsers fire contextmenu *after* opening the menu, at
-    // which point we can't mess with it anymore. Context menu is
-    // handled in onMouseDown for Gecko.
-    if (!gecko) on(d.scroller, "contextmenu", function(e) {onContextMenu(cm, e);});
-
-    on(d.scroller, "scroll", function() {
-      setScrollTop(cm, d.scroller.scrollTop);
-      setScrollLeft(cm, d.scroller.scrollLeft, true);
-      signal(cm, "scroll", cm);
-    });
-    on(d.scrollbarV, "scroll", function() {
-      setScrollTop(cm, d.scrollbarV.scrollTop);
-    });
-    on(d.scrollbarH, "scroll", function() {
-      setScrollLeft(cm, d.scrollbarH.scrollLeft);
-    });
-
-    on(d.scroller, "mousewheel", function(e){onScrollWheel(cm, e);});
-    on(d.scroller, "DOMMouseScroll", function(e){onScrollWheel(cm, e);});
-
-    function reFocus() { if (cm.view.focused) setTimeout(bind(focusInput, cm), 0); }
-    on(d.scrollbarH, "mousedown", reFocus);
-    on(d.scrollbarV, "mousedown", reFocus);
-    // Prevent wrapper from ever scrolling
-    on(d.wrapper, "scroll", function() { d.wrapper.scrollTop = d.wrapper.scrollLeft = 0; });
-    on(window, "resize", function resizeHandler() {
-      // Might be a text scaling operation, clear size caches.
-      d.cachedCharWidth = d.cachedTextHeight = null;
-      clearCaches(cm);
-      if (d.wrapper.parentNode) updateDisplay(cm, true);
-      else off(window, "resize", resizeHandler);
-    });
-
-    on(d.input, "keyup", operation(cm, function(e) {
-      if (cm.options.onKeyEvent && cm.options.onKeyEvent(cm, addStop(e))) return;
-      if (e_prop(e, "keyCode") == 16) cm.view.sel.shift = false;
-    }));
-    on(d.input, "input", bind(fastPoll, cm));
-    on(d.input, "keydown", operation(cm, onKeyDown));
-    on(d.input, "keypress", operation(cm, onKeyPress));
-    on(d.input, "focus", bind(onFocus, cm));
-    on(d.input, "blur", bind(onBlur, cm));
-
-    function drag_(e) {
-      if (cm.options.onDragEvent && cm.options.onDragEvent(cm, addStop(e))) return;
-      e_stop(e);
-    }
-    if (cm.options.dragDrop) {
-      on(d.scroller, "dragstart", function(e){onDragStart(cm, e);});
-      on(d.scroller, "dragenter", drag_);
-      on(d.scroller, "dragover", drag_);
-      on(d.scroller, "drop", operation(cm, onDrop));
-    }
-    on(d.scroller, "paste", function(){focusInput(cm); fastPoll(cm);});
-    on(d.input, "paste", function() {
-      d.pasteIncoming = true;
-      fastPoll(cm);
-    });
-
-    function prepareCopy() {
-      if (d.inaccurateSelection) {
-        d.prevInput = "";
-        d.inaccurateSelection = false;
-        d.input.value = cm.getSelection();
-        selectInput(d.input);
-      }
-    }
-    on(d.input, "cut", prepareCopy);
-    on(d.input, "copy", prepareCopy);
-
-    // Needed to handle Tab key in KHTML
-    if (khtml) on(d.sizer, "mouseup", function() {
-        if (document.activeElement == d.input) d.input.blur();
-        focusInput(cm);
-    });
-  }
-
-  function mouseEventInWidget(display, e) {
-    for (var n = e_target(e); n != display.wrapper; n = n.parentNode)
-      if (/\bCodeMirror-(?:line)?widget\b/.test(n.className) ||
-          n.parentNode == display.sizer && n != display.mover) return true;
-  }
-
-  function posFromMouse(cm, e, liberal) {
-    var display = cm.display;
-    if (!liberal) {
-      var target = e_target(e);
-      if (target == display.scrollbarH || target == display.scrollbarH.firstChild ||
-          target == display.scrollbarV || target == display.scrollbarV.firstChild ||
-          target == display.scrollbarFiller) return null;
-    }
-    var x, y, space = display.lineSpace.getBoundingClientRect();
-    // Fails unpredictably on IE[67] when mouse is dragged around quickly.
-    try { x = e.clientX; y = e.clientY; } catch (e) { return null; }
-    return coordsChar(cm, x - space.left, y - space.top);
-  }
-
-  var lastClick, lastDoubleClick;
-  function onMouseDown(e) {
-    var cm = this, display = cm.display, view = cm.view, sel = view.sel, doc = view.doc;
-    sel.shift = e_prop(e, "shiftKey");
-
-    if (mouseEventInWidget(display, e)) {
-      if (!webkit) {
-        display.scroller.draggable = false;
-        setTimeout(function(){display.scroller.draggable = true;}, 100);
-      }
-      return;
-    }
-    if (clickInGutter(cm, e)) return;
-    var start = posFromMouse(cm, e);
-
-    switch (e_button(e)) {
-    case 3:
-      if (gecko) onContextMenu.call(cm, cm, e);
-      return;
-    case 2:
-      if (start) extendSelection(cm, start);
-      setTimeout(bind(focusInput, cm), 20);
-      e_preventDefault(e);
-      return;
-    }
-    // For button 1, if it was clicked inside the editor
-    // (posFromMouse returning non-null), we have to adjust the
-    // selection.
-    if (!start) {if (e_target(e) == display.scroller) e_preventDefault(e); return;}
-
-    if (!view.focused) onFocus(cm);
-
-    var now = +new Date, type = "single";
-    if (lastDoubleClick && lastDoubleClick.time > now - 400 && posEq(lastDoubleClick.pos, start)) {
-      type = "triple";
-      e_preventDefault(e);
-      setTimeout(bind(focusInput, cm), 20);
-      selectLine(cm, start.line);
-    } else if (lastClick && lastClick.time > now - 400 && posEq(lastClick.pos, start)) {
-      type = "double";
-      lastDoubleClick = {time: now, pos: start};
-      e_preventDefault(e);
-      var word = findWordAt(getLine(doc, start.line).text, start);
-      extendSelection(cm, word.from, word.to);
-    } else { lastClick = {time: now, pos: start}; }
-
-    var last = start;
-    if (cm.options.dragDrop && dragAndDrop && !isReadOnly(cm) && !posEq(sel.from, sel.to) &&
-        !posLess(start, sel.from) && !posLess(sel.to, start) && type == "single") {
-      var dragEnd = operation(cm, function(e2) {
-        if (webkit) display.scroller.draggable = false;
-        view.draggingText = false;
-        off(document, "mouseup", dragEnd);
-        off(display.scroller, "drop", dragEnd);
-        if (Math.abs(e.clientX - e2.clientX) + Math.abs(e.clientY - e2.clientY) < 10) {
-          e_preventDefault(e2);
-          extendSelection(cm, start);
-          focusInput(cm);
-        }
-      });
-      // Let the drag handler handle this.
-      if (webkit) display.scroller.draggable = true;
-      view.draggingText = dragEnd;
-      // IE's approach to draggable
-      if (display.scroller.dragDrop) display.scroller.dragDrop();
-      on(document, "mouseup", dragEnd);
-      on(display.scroller, "drop", dragEnd);
-      return;
-    }
-    e_preventDefault(e);
-    if (type == "single") extendSelection(cm, clipPos(doc, start));
-
-    var startstart = sel.from, startend = sel.to;
-
-    function doSelect(cur) {
-      if (type == "single") {
-        extendSelection(cm, clipPos(doc, start), cur);
-        return;
-      }
-
-      startstart = clipPos(doc, startstart);
-      startend = clipPos(doc, startend);
-      if (type == "double") {
-        var word = findWordAt(getLine(doc, cur.line).text, cur);
-        if (posLess(cur, startstart)) extendSelection(cm, word.from, startend);
-        else extendSelection(cm, startstart, word.to);
-      } else if (type == "triple") {
-        if (posLess(cur, startstart)) extendSelection(cm, startend, clipPos(doc, {line: cur.line, ch: 0}));
-        else extendSelection(cm, startstart, clipPos(doc, {line: cur.line + 1, ch: 0}));
-      }
-    }
-
-    var editorSize = display.wrapper.getBoundingClientRect();
-    // Used to ensure timeout re-tries don't fire when another extend
-    // happened in the meantime (clearTimeout isn't reliable -- at
-    // least on Chrome, the timeouts still happen even when cleared,
-    // if the clear happens after their scheduled firing time).
-    var counter = 0;
-
-    function extend(e) {
-      var curCount = ++counter;
-      var cur = posFromMouse(cm, e, true);
-      if (!cur) return;
-      if (!posEq(cur, last)) {
-        if (!view.focused) onFocus(cm);
-        last = cur;
-        doSelect(cur);
-        var visible = visibleLines(display, doc);
-        if (cur.line >= visible.to || cur.line < visible.from)
-          setTimeout(operation(cm, function(){if (counter == curCount) extend(e);}), 150);
-      } else {
-        var outside = e.clientY < editorSize.top ? -20 : e.clientY > editorSize.bottom ? 20 : 0;
-        if (outside) setTimeout(operation(cm, function() {
-          if (counter != curCount) return;
-          display.scroller.scrollTop += outside;
-          extend(e);
-        }), 50);
-      }
-    }
-
-    function done(e) {
-      counter = Infinity;
-      var cur = posFromMouse(cm, e);
-      if (cur) doSelect(cur);
-      e_preventDefault(e);
-      focusInput(cm);
-      off(document, "mousemove", move);
-      off(document, "mouseup", up);
-    }
-
-    var move = operation(cm, function(e) {
-      if (!ie && !e_button(e)) done(e);
-      else extend(e);
-    });
-    var up = operation(cm, done);
-    on(document, "mousemove", move);
-    on(document, "mouseup", up);
-  }
-
-  function onDrop(e) {
-    var cm = this;
-    if (cm.options.onDragEvent && cm.options.onDragEvent(cm, addStop(e))) return;
-    e_preventDefault(e);
-    var pos = posFromMouse(cm, e, true), files = e.dataTransfer.files;
-    if (!pos || isReadOnly(cm)) return;
-    if (files && files.length && window.FileReader && window.File) {
-      var n = files.length, text = Array(n), read = 0;
-      var loadFile = function(file, i) {
-        var reader = new FileReader;
-        reader.onload = function() {
-          text[i] = reader.result;
-          if (++read == n) {
-            pos = clipPos(cm.view.doc, pos);
-            operation(cm, function() {
-              var end = replaceRange(cm, text.join(""), pos, pos, "paste");
-              setSelection(cm, pos, end);
-            })();
-          }
-        };
-        reader.readAsText(file);
-      };
-      for (var i = 0; i < n; ++i) loadFile(files[i], i);
-    } else {
-      // Don't do a replace if the drop happened inside of the selected text.
-      if (cm.view.draggingText && !(posLess(pos, cm.view.sel.from) || posLess(cm.view.sel.to, pos))) {
-        cm.view.draggingText(e);
-        if (ie) setTimeout(bind(focusInput, cm), 50);
-        return;
-      }
-      try {
-        var text = e.dataTransfer.getData("Text");
-        if (text) {
-          var curFrom = cm.view.sel.from, curTo = cm.view.sel.to;
-          setSelection(cm, pos, pos);
-          if (cm.view.draggingText) replaceRange(cm, "", curFrom, curTo, "paste");
-          cm.replaceSelection(text, null, "paste");
-          focusInput(cm);
-          onFocus(cm);
-        }
-      }
-      catch(e){}
-    }
-  }
-
-  function clickInGutter(cm, e) {
-    var display = cm.display;
-    try { var mX = e.clientX, mY = e.clientY; }
-    catch(e) { return false; }
-
-    if (mX >= Math.floor(display.gutters.getBoundingClientRect().right)) return false;
-    e_preventDefault(e);
-    if (!hasHandler(cm, "gutterClick")) return true;
-
-    var lineBox = display.lineDiv.getBoundingClientRect();
-    if (mY > lineBox.bottom) return true;
-    mY -= lineBox.top - display.viewOffset;
-
-    for (var i = 0; i < cm.options.gutters.length; ++i) {
-      var g = display.gutters.childNodes[i];
-      if (g && g.getBoundingClientRect().right >= mX) {
-        var line = lineAtHeight(cm.view.doc, mY);
-        var gutter = cm.options.gutters[i];
-        signalLater(cm, cm, "gutterClick", cm, line, gutter, e);
-        break;
-      }
-    }
-    return true;
-  }
-
-  function onDragStart(cm, e) {
-    var txt = cm.getSelection();
-    e.dataTransfer.setData("Text", txt);
-
-    // Use dummy image instead of default browsers image.
-    // Recent Safari (~6.0.2) have a tendency to segfault when this happens, so we don't do it there.
-    if (e.dataTransfer.setDragImage && !safari)
-      e.dataTransfer.setDragImage(elt('img'), 0, 0);
-  }
-
-  function setScrollTop(cm, val) {
-    if (Math.abs(cm.view.scrollTop - val) < 2) return;
-    cm.view.scrollTop = val;
-    if (!gecko) updateDisplay(cm, [], val);
-    if (cm.display.scroller.scrollTop != val) cm.display.scroller.scrollTop = val;
-    if (cm.display.scrollbarV.scrollTop != val) cm.display.scrollbarV.scrollTop = val;
-    if (gecko) updateDisplay(cm, []);
-  }
-  function setScrollLeft(cm, val, isScroller) {
-    if (isScroller ? val == cm.view.scrollLeft : Math.abs(cm.view.scrollLeft - val) < 2) return;
-    cm.view.scrollLeft = val;
-    alignHorizontally(cm);
-    if (cm.display.scroller.scrollLeft != val) cm.display.scroller.scrollLeft = val;
-    if (cm.display.scrollbarH.scrollLeft != val) cm.display.scrollbarH.scrollLeft = val;
-  }
-
-  // Since the delta values reported on mouse wheel events are
-  // unstandardized between browsers and even browser versions, and
-  // generally horribly unpredictable, this code starts by measuring
-  // the scroll effect that the first few mouse wheel events have,
-  // and, from that, detects the way it can convert deltas to pixel
-  // offsets afterwards.
-  //
-  // The reason we want to know the amount a wheel event will scroll
-  // is that it gives us a chance to update the display before the
-  // actual scrolling happens, reducing flickering.
-
-  var wheelSamples = 0, wheelDX, wheelDY, wheelStartX, wheelStartY, wheelPixelsPerUnit = null;
-  // Fill in a browser-detected starting value on browsers where we
-  // know one. These don't have to be accurate -- the result of them
-  // being wrong would just be a slight flicker on the first wheel
-  // scroll (if it is large enough).
-  if (ie) wheelPixelsPerUnit = -.53;
-  else if (gecko) wheelPixelsPerUnit = 15;
-  else if (chrome) wheelPixelsPerUnit = -.7;
-  else if (safari) wheelPixelsPerUnit = -1/3;
-
-  function onScrollWheel(cm, e) {
-    var dx = e.wheelDeltaX, dy = e.wheelDeltaY;
-    if (dx == null && e.detail && e.axis == e.HORIZONTAL_AXIS) dx = e.detail;
-    if (dy == null && e.detail && e.axis == e.VERTICAL_AXIS) dy = e.detail;
-    else if (dy == null) dy = e.wheelDelta;
-
-    // Webkit browsers on OS X abort momentum scrolls when the target
-    // of the scroll event is removed from the scrollable element.
-    // This hack (see related code in patchDisplay) makes sure the
-    // element is kept around.
-    if (dy && mac && webkit) {
-      for (var cur = e.target; cur != scroll; cur = cur.parentNode) {
-        if (cur.lineObj) {
-          cm.display.currentWheelTarget = cur;
-          break;
-        }
-      }
-    }
-
-    var scroll = cm.display.scroller;
-    // On some browsers, horizontal scrolling will cause redraws to
-    // happen before the gutter has been realigned, causing it to
-    // wriggle around in a most unseemly way. When we have an
-    // estimated pixels/delta value, we just handle horizontal
-    // scrolling entirely here. It'll be slightly off from native, but
-    // better than glitching out.
-    if (dx && !gecko && !opera && wheelPixelsPerUnit != null) {
-      if (dy)
-        setScrollTop(cm, Math.max(0, Math.min(scroll.scrollTop + dy * wheelPixelsPerUnit, scroll.scrollHeight - scroll.clientHeight)));
-      setScrollLeft(cm, Math.max(0, Math.min(scroll.scrollLeft + dx * wheelPixelsPerUnit, scroll.scrollWidth - scroll.clientWidth)));
-      e_preventDefault(e);
-      wheelStartX = null; // Abort measurement, if in progress
-      return;
-    }
-
-    if (dy && wheelPixelsPerUnit != null) {
-      var pixels = dy * wheelPixelsPerUnit;
-      var top = cm.view.scrollTop, bot = top + cm.display.wrapper.clientHeight;
-      if (pixels < 0) top = Math.max(0, top + pixels - 50);
-      else bot = Math.min(cm.view.doc.height, bot + pixels + 50);
-      updateDisplay(cm, [], {top: top, bottom: bot});
-    }
-
-    if (wheelSamples < 20) {
-      if (wheelStartX == null) {
-        wheelStartX = scroll.scrollLeft; wheelStartY = scroll.scrollTop;
-        wheelDX = dx; wheelDY = dy;
-        setTimeout(function() {
-          if (wheelStartX == null) return;
-          var movedX = scroll.scrollLeft - wheelStartX;
-          var movedY = scroll.scrollTop - wheelStartY;
-          var sample = (movedY && wheelDY && movedY / wheelDY) ||
-            (movedX && wheelDX && movedX / wheelDX);
-          wheelStartX = wheelStartY = null;
-          if (!sample) return;
-          wheelPixelsPerUnit = (wheelPixelsPerUnit * wheelSamples + sample) / (wheelSamples + 1);
-          ++wheelSamples;
-        }, 200);
-      } else {
-        wheelDX += dx; wheelDY += dy;
-      }
-    }
-  }
-
-  function doHandleBinding(cm, bound, dropShift) {
-    if (typeof bound == "string") {
-      bound = commands[bound];
-      if (!bound) return false;
-    }
-    // Ensure previous input has been read, so that the handler sees a
-    // consistent view of the document
-    if (cm.display.pollingFast && readInput(cm)) cm.display.pollingFast = false;
-    var view = cm.view, prevShift = view.sel.shift;
-    try {
-      if (isReadOnly(cm)) view.suppressEdits = true;
-      if (dropShift) view.sel.shift = false;
-      bound(cm);
-    } catch(e) {
-      if (e != Pass) throw e;
-      return false;
-    } finally {
-      view.sel.shift = prevShift;
-      view.suppressEdits = false;
-    }
-    return true;
-  }
-
-  function allKeyMaps(cm) {
-    var maps = cm.view.keyMaps.slice(0);
-    maps.push(cm.options.keyMap);
-    if (cm.options.extraKeys) maps.unshift(cm.options.extraKeys);
-    return maps;
-  }
-
-  var maybeTransition;
-  function handleKeyBinding(cm, e) {
-    // Handle auto keymap transitions
-    var startMap = getKeyMap(cm.options.keyMap), next = startMap.auto;
-    clearTimeout(maybeTransition);
-    if (next && !isModifierKey(e)) maybeTransition = setTimeout(function() {
-      if (getKeyMap(cm.options.keyMap) == startMap)
-        cm.options.keyMap = (next.call ? next.call(null, cm) : next);
-    }, 50);
-
-    var name = keyNames[e_prop(e, "keyCode")], handled = false;
-    var flipCtrlCmd = mac && (opera || qtwebkit);
-    if (name == null || e.altGraphKey) return false;
-    if (e_prop(e, "altKey")) name = "Alt-" + name;
-    if (e_prop(e, flipCtrlCmd ? "metaKey" : "ctrlKey")) name = "Ctrl-" + name;
-    if (e_prop(e, flipCtrlCmd ? "ctrlKey" : "metaKey")) name = "Cmd-" + name;
-
-    var stopped = false;
-    function stop() { stopped = true; }
-    var keymaps = allKeyMaps(cm);
-
-    if (e_prop(e, "shiftKey")) {
-      handled = lookupKey("Shift-" + name, keymaps,
-                          function(b) {return doHandleBinding(cm, b, true);}, stop)
-        || lookupKey(name, keymaps, function(b) {
-          if (typeof b == "string" && /^go[A-Z]/.test(b)) return doHandleBinding(cm, b);
-        }, stop);
-    } else {
-      handled = lookupKey(name, keymaps,
-                          function(b) { return doHandleBinding(cm, b); }, stop);
-    }
-    if (stopped) handled = false;
-    if (handled) {
-      e_preventDefault(e);
-      restartBlink(cm);
-      if (ie_lt9) { e.oldKeyCode = e.keyCode; e.keyCode = 0; }
-    }
-    return handled;
-  }
-
-  function handleCharBinding(cm, e, ch) {
-    var handled = lookupKey("'" + ch + "'", allKeyMaps(cm),
-                            function(b) { return doHandleBinding(cm, b, true); });
-    if (handled) {
-      e_preventDefault(e);
-      restartBlink(cm);
-    }
-    return handled;
-  }
-
-  var lastStoppedKey = null;
-  function onKeyDown(e) {
-    var cm = this;
-    if (!cm.view.focused) onFocus(cm);
-    if (ie && e.keyCode == 27) { e.returnValue = false; }
-    if (cm.options.onKeyEvent && cm.options.onKeyEvent(cm, addStop(e))) return;
-    var code = e_prop(e, "keyCode");
-    // IE does strange things with escape.
-    cm.view.sel.shift = code == 16 || e_prop(e, "shiftKey");
-    // First give onKeyEvent option a chance to handle this.
-    var handled = handleKeyBinding(cm, e);
-    if (opera) {
-      lastStoppedKey = handled ? code : null;
-      // Opera has no cut event... we try to at least catch the key combo
-      if (!handled && code == 88 && !hasCopyEvent && e_prop(e, mac ? "metaKey" : "ctrlKey"))
-        cm.replaceSelection("");
-    }
-  }
-
-  function onKeyPress(e) {
-    var cm = this;
-    if (cm.options.onKeyEvent && cm.options.onKeyEvent(cm, addStop(e))) return;
-    var keyCode = e_prop(e, "keyCode"), charCode = e_prop(e, "charCode");
-    if (opera && keyCode == lastStoppedKey) {lastStoppedKey = null; e_preventDefault(e); return;}
-    if (((opera && (!e.which || e.which < 10)) || khtml) && handleKeyBinding(cm, e)) return;
-    var ch = String.fromCharCode(charCode == null ? keyCode : charCode);
-    if (this.options.electricChars && this.view.mode.electricChars &&
-        this.options.smartIndent && !isReadOnly(this) &&
-        this.view.mode.electricChars.indexOf(ch) > -1)
-      setTimeout(operation(cm, function() {indentLine(cm, cm.view.sel.to.line, "smart");}), 75);
-    if (handleCharBinding(cm, e, ch)) return;
-    fastPoll(cm);
-  }
-
-  function onFocus(cm) {
-    if (cm.options.readOnly == "nocursor") return;
-    if (!cm.view.focused) {
-      signal(cm, "focus", cm);
-      cm.view.focused = true;
-      if (cm.display.scroller.className.search(/\bCodeMirror-focused\b/) == -1)
-        cm.display.scroller.className += " CodeMirror-focused";
-      resetInput(cm, true);
-    }
-    slowPoll(cm);
-    restartBlink(cm);
-  }
-  function onBlur(cm) {
-    if (cm.view.focused) {
-      signal(cm, "blur", cm);
-      cm.view.focused = false;
-      cm.display.scroller.className = cm.display.scroller.className.replace(" CodeMirror-focused", "");
-    }
-    clearInterval(cm.display.blinker);
-    setTimeout(function() {if (!cm.view.focused) cm.view.sel.shift = false;}, 150);
-  }
-
-  var detectingSelectAll;
-  function onContextMenu(cm, e) {
-    var display = cm.display, sel = cm.view.sel;
-    var pos = posFromMouse(cm, e), scrollPos = display.scroller.scrollTop;
-    if (!pos || opera) return; // Opera is difficult.
-    if (posEq(sel.from, sel.to) || posLess(pos, sel.from) || !posLess(pos, sel.to))
-      operation(cm, setSelection)(cm, pos, pos);
-
-    var oldCSS = display.input.style.cssText;
-    display.inputDiv.style.position = "absolute";
-    display.input.style.cssText = "position: fixed; width: 30px; height: 30px; top: " + (e.clientY - 5) +
-      "px; left: " + (e.clientX - 5) + "px; z-index: 1000; background: white; outline: none;" +
-      "border-width: 0; outline: none; overflow: hidden; opacity: .05; filter: alpha(opacity=5);";
-    focusInput(cm);
-    resetInput(cm, true);
-    // Adds "Select all" to context menu in FF
-    if (posEq(sel.from, sel.to)) display.input.value = display.prevInput = " ";
-
-    function rehide() {
-      display.inputDiv.style.position = "relative";
-      display.input.style.cssText = oldCSS;
-      if (ie_lt9) display.scrollbarV.scrollTop = display.scroller.scrollTop = scrollPos;
-      slowPoll(cm);
-
-      // Try to detect the user choosing select-all 
-      if (display.input.selectionStart != null) {
-        clearTimeout(detectingSelectAll);
-        var extval = display.input.value = " " + (posEq(sel.from, sel.to) ? "" : display.input.value), i = 0;
-        display.prevInput = " ";
-        display.input.selectionStart = 1; display.input.selectionEnd = extval.length;
-        detectingSelectAll = setTimeout(function poll(){
-          if (display.prevInput == " " && display.input.selectionStart == 0)
-            operation(cm, commands.selectAll)(cm);
-          else if (i++ < 10) detectingSelectAll = setTimeout(poll, 500);
-          else resetInput(cm);
-        }, 200);
-      }
-    }
-
-    if (gecko) {
-      e_stop(e);
-      on(window, "mouseup", function mouseup() {
-        off(window, "mouseup", mouseup);
-        setTimeout(rehide, 20);
-      });
-    } else {
-      setTimeout(rehide, 50);
-    }
-  }
-
-  // UPDATING
-
-  // Replace the range from from to to by the strings in newText.
-  // Afterwards, set the selection to selFrom, selTo.
-  function updateDoc(cm, from, to, newText, selUpdate, origin) {
-    // Possibly split or suppress the update based on the presence
-    // of read-only spans in its range.
-    var split = sawReadOnlySpans &&
-      removeReadOnlyRanges(cm.view.doc, from, to);
-    if (split) {
-      for (var i = split.length - 1; i >= 1; --i)
-        updateDocInner(cm, split[i].from, split[i].to, [""], origin);
-      if (split.length)
-        return updateDocInner(cm, split[0].from, split[0].to, newText, selUpdate, origin);
-    } else {
-      return updateDocInner(cm, from, to, newText, selUpdate, origin);
-    }
-  }
-
-  function updateDocInner(cm, from, to, newText, selUpdate, origin) {
-    if (cm.view.suppressEdits) return;
-
-    var view = cm.view, doc = view.doc, old = [];
-    doc.iter(from.line, to.line + 1, function(line) {
-      old.push(newHL(line.text, line.markedSpans));
-    });
-    var startSelFrom = view.sel.from, startSelTo = view.sel.to;
-    var lines = updateMarkedSpans(hlSpans(old[0]), hlSpans(lst(old)), from.ch, to.ch, newText);
-    var retval = updateDocNoUndo(cm, from, to, lines, selUpdate, origin);
-    if (view.history) addChange(cm, from.line, newText.length, old, origin,
-                                startSelFrom, startSelTo, view.sel.from, view.sel.to);
-    return retval;
-  }
-
-  function unredoHelper(cm, type) {
-    var doc = cm.view.doc, hist = cm.view.history;
-    var set = (type == "undo" ? hist.done : hist.undone).pop();
-    if (!set) return;
-    var anti = {events: [], fromBefore: set.fromAfter, toBefore: set.toAfter,
-                fromAfter: set.fromBefore, toAfter: set.toBefore};
-    for (var i = set.events.length - 1; i >= 0; i -= 1) {
-      hist.dirtyCounter += type == "undo" ? -1 : 1;
-      var change = set.events[i];
-      var replaced = [], end = change.start + change.added;
-      doc.iter(change.start, end, function(line) { replaced.push(newHL(line.text, line.markedSpans)); });
-      anti.events.push({start: change.start, added: change.old.length, old: replaced});
-      var selPos = i ? null : {from: set.fromBefore, to: set.toBefore};
-      updateDocNoUndo(cm, {line: change.start, ch: 0}, {line: end - 1, ch: getLine(doc, end-1).text.length},
-                      change.old, selPos, type);
-    }
-    (type == "undo" ? hist.undone : hist.done).push(anti);
-  }
-
-  function updateDocNoUndo(cm, from, to, lines, selUpdate, origin) {
-    var view = cm.view, doc = view.doc, display = cm.display;
-    if (view.suppressEdits) return;
-
-    var nlines = to.line - from.line, firstLine = getLine(doc, from.line), lastLine = getLine(doc, to.line);
-    var recomputeMaxLength = false, checkWidthStart = from.line;
-    if (!cm.options.lineWrapping) {
-      checkWidthStart = lineNo(visualLine(doc, firstLine));
-      doc.iter(checkWidthStart, to.line + 1, function(line) {
-        if (lineLength(doc, line) == view.maxLineLength) {
-          recomputeMaxLength = true;
-          return true;
-        }
-      });
-    }
-
-    var lastHL = lst(lines), th = textHeight(display);
-
-    // First adjust the line structure
-    if (from.ch == 0 && to.ch == 0 && hlText(lastHL) == "") {
-      // This is a whole-line replace. Treated specially to make
-      // sure line objects move the way they are supposed to.
-      var added = [];
-      for (var i = 0, e = lines.length - 1; i < e; ++i)
-        added.push(makeLine(hlText(lines[i]), hlSpans(lines[i]), th));
-      updateLine(cm, lastLine, lastLine.text, hlSpans(lastHL));
-      if (nlines) doc.remove(from.line, nlines, cm);
-      if (added.length) doc.insert(from.line, added);
-    } else if (firstLine == lastLine) {
-      if (lines.length == 1) {
-        updateLine(cm, firstLine, firstLine.text.slice(0, from.ch) + hlText(lines[0]) +
-                   firstLine.text.slice(to.ch), hlSpans(lines[0]));
-      } else {
-        for (var added = [], i = 1, e = lines.length - 1; i < e; ++i)
-          added.push(makeLine(hlText(lines[i]), hlSpans(lines[i]), th));
-        added.push(makeLine(hlText(lastHL) + firstLine.text.slice(to.ch), hlSpans(lastHL), th));
-        updateLine(cm, firstLine, firstLine.text.slice(0, from.ch) + hlText(lines[0]), hlSpans(lines[0]));
-        doc.insert(from.line + 1, added);
-      }
-    } else if (lines.length == 1) {
-      updateLine(cm, firstLine, firstLine.text.slice(0, from.ch) + hlText(lines[0]) +
-                 lastLine.text.slice(to.ch), hlSpans(lines[0]));
-      doc.remove(from.line + 1, nlines, cm);
-    } else {
-      var added = [];
-      updateLine(cm, firstLine, firstLine.text.slice(0, from.ch) + hlText(lines[0]), hlSpans(lines[0]));
-      updateLine(cm, lastLine, hlText(lastHL) + lastLine.text.slice(to.ch), hlSpans(lastHL));
-      for (var i = 1, e = lines.length - 1; i < e; ++i)
-        added.push(makeLine(hlText(lines[i]), hlSpans(lines[i]), th));
-      if (nlines > 1) doc.remove(from.line + 1, nlines - 1, cm);
-      doc.insert(from.line + 1, added);
-    }
-
-    if (cm.options.lineWrapping) {
-      var perLine = Math.max(5, display.scroller.clientWidth / charWidth(display) - 3);
-      doc.iter(from.line, from.line + lines.length, function(line) {
-        if (line.height == 0) return;
-        var guess = (Math.ceil(line.text.length / perLine) || 1) * th;
-        if (guess != line.height) updateLineHeight(line, guess);
-      });
-    } else {
-      doc.iter(checkWidthStart, from.line + lines.length, function(line) {
-        var len = lineLength(doc, line);
-        if (len > view.maxLineLength) {
-          view.maxLine = line;
-          view.maxLineLength = len;
-          view.maxLineChanged = true;
-          recomputeMaxLength = false;
-        }
-      });
-      if (recomputeMaxLength) cm.curOp.updateMaxLine = true;
-    }
-
-    // Adjust frontier, schedule worker
-    view.frontier = Math.min(view.frontier, from.line);
-    startWorker(cm, 400);
-
-    var lendiff = lines.length - nlines - 1;
-    // Remember that these lines changed, for updating the display
-    regChange(cm, from.line, to.line + 1, lendiff);
-    if (hasHandler(cm, "change")) {
-      // Normalize lines to contain only strings, since that's what
-      // the change event handler expects
-      for (var i = 0; i < lines.length; ++i)
-        if (typeof lines[i] != "string") lines[i] = lines[i].text;
-      var changeObj = {from: from, to: to, text: lines, origin: origin};
-      if (cm.curOp.textChanged) {
-        for (var cur = cm.curOp.textChanged; cur.next; cur = cur.next) {}
-        cur.next = changeObj;
-      } else cm.curOp.textChanged = changeObj;
-    }
-
-    // Update the selection
-    var newSelFrom, newSelTo, end = {line: from.line + lines.length - 1,
-                                     ch: hlText(lastHL).length  + (lines.length == 1 ? from.ch : 0)};
-    if (selUpdate && typeof selUpdate != "string") {
-      if (selUpdate.from) { newSelFrom = selUpdate.from; newSelTo = selUpdate.to; }
-      else newSelFrom = newSelTo = selUpdate;
-    } else if (selUpdate == "end") {
-      newSelFrom = newSelTo = end;
-    } else if (selUpdate == "start") {
-      newSelFrom = newSelTo = from;
-    } else if (selUpdate == "around") {
-      newSelFrom = from; newSelTo = end;
-    } else {
-      var adjustPos = function(pos) {
-        if (posLess(pos, from)) return pos;
-        if (!posLess(to, pos)) return end;
-        var line = pos.line + lendiff;
-        var ch = pos.ch;
-        if (pos.line == to.line)
-          ch += hlText(lastHL).length - (to.ch - (to.line == from.line ? from.ch : 0));
-        return {line: line, ch: ch};
-      };
-      newSelFrom = adjustPos(view.sel.from);
-      newSelTo = adjustPos(view.sel.to);
-    }
-    setSelection(cm, newSelFrom, newSelTo, null, true);
-    return end;
-  }
-
-  function replaceRange(cm, code, from, to, origin) {
-    if (!to) to = from;
-    if (posLess(to, from)) { var tmp = to; to = from; from = tmp; }
-    return updateDoc(cm, from, to, splitLines(code), null, origin);
-  }
-
-  // SELECTION
-
-  function posEq(a, b) {return a.line == b.line && a.ch == b.ch;}
-  function posLess(a, b) {return a.line < b.line || (a.line == b.line && a.ch < b.ch);}
-  function copyPos(x) {return {line: x.line, ch: x.ch};}
-
-  function clipLine(doc, n) {return Math.max(0, Math.min(n, doc.size-1));}
-  function clipPos(doc, pos) {
-    if (pos.line < 0) return {line: 0, ch: 0};
-    if (pos.line >= doc.size) return {line: doc.size-1, ch: getLine(doc, doc.size-1).text.length};
-    var ch = pos.ch, linelen = getLine(doc, pos.line).text.length;
-    if (ch == null || ch > linelen) return {line: pos.line, ch: linelen};
-    else if (ch < 0) return {line: pos.line, ch: 0};
-    else return pos;
-  }
-  function isLine(doc, l) {return l >= 0 && l < doc.size;}
-
-  // If shift is held, this will move the selection anchor. Otherwise,
-  // it'll set the whole selection.
-  function extendSelection(cm, pos, other, bias) {
-    var sel = cm.view.sel;
-    if (sel.shift || sel.extend) {
-      var anchor = sel.anchor;
-      if (other) {
-        var posBefore = posLess(pos, anchor);
-        if (posBefore != posLess(other, anchor)) {
-          anchor = pos;
-          pos = other;
-        } else if (posBefore != posLess(pos, other)) {
-          pos = other;
-        }
-      }
-      setSelection(cm, anchor, pos, bias);
-    } else {
-      setSelection(cm, pos, other || pos, bias);
-    }
-    cm.curOp.userSelChange = true;
-  }
-
-  // Update the selection. Last two args are only used by
-  // updateDoc, since they have to be expressed in the line
-  // numbers before the update.
-  function setSelection(cm, anchor, head, bias, checkAtomic) {
-    cm.view.goalColumn = null;
-    var sel = cm.view.sel;
-    // Skip over atomic spans.
-    if (checkAtomic || !posEq(anchor, sel.anchor))
-      anchor = skipAtomic(cm, anchor, bias, checkAtomic != "push");
-    if (checkAtomic || !posEq(head, sel.head))
-      head = skipAtomic(cm, head, bias, checkAtomic != "push");
-
-    if (posEq(sel.anchor, anchor) && posEq(sel.head, head)) return;
-
-    sel.anchor = anchor; sel.head = head;
-    var inv = posLess(head, anchor);
-    sel.from = inv ? head : anchor;
-    sel.to = inv ? anchor : head;
-
-    cm.curOp.updateInput = true;
-    cm.curOp.selectionChanged = true;
-  }
-
-  function reCheckSelection(cm) {
-    setSelection(cm, cm.view.sel.from, cm.view.sel.to, null, "push");
-  }
-
-  function skipAtomic(cm, pos, bias, mayClear) {
-    var doc = cm.view.doc, flipped = false, curPos = pos;
-    var dir = bias || 1;
-    cm.view.cantEdit = false;
-    search: for (;;) {
-      var line = getLine(doc, curPos.line), toClear;
-      if (line.markedSpans) {
-        for (var i = 0; i < line.markedSpans.length; ++i) {
-          var sp = line.markedSpans[i], m = sp.marker;
-          if ((sp.from == null || (m.inclusiveLeft ? sp.from <= curPos.ch : sp.from < curPos.ch)) &&
-              (sp.to == null || (m.inclusiveRight ? sp.to >= curPos.ch : sp.to > curPos.ch))) {
-            if (mayClear && m.clearOnEnter) {
-              (toClear || (toClear = [])).push(m);
-              continue;
-            } else if (!m.atomic) continue;
-            var newPos = m.find()[dir < 0 ? "from" : "to"];
-            if (posEq(newPos, curPos)) {
-              newPos.ch += dir;
-              if (newPos.ch < 0) {
-                if (newPos.line) newPos = clipPos(doc, {line: newPos.line - 1});
-                else newPos = null;
-              } else if (newPos.ch > line.text.length) {
-                if (newPos.line < doc.size - 1) newPos = {line: newPos.line + 1, ch: 0};
-                else newPos = null;
-              }
-              if (!newPos) {
-                if (flipped) {
-                  // Driven in a corner -- no valid cursor position found at all
-                  // -- try again *with* clearing, if we didn't already
-                  if (!mayClear) return skipAtomic(cm, pos, bias, true);
-                  // Otherwise, turn off editing until further notice, and return the start of the doc
-                  cm.view.cantEdit = true;
-                  return {line: 0, ch: 0};
-                }
-                flipped = true; newPos = pos; dir = -dir;
-              }
-            }
-            curPos = newPos;
-            continue search;
-          }
-        }
-        if (toClear) for (var i = 0; i < toClear.length; ++i) toClear[i].clear();
-      }
-      return curPos;
-    }
-  }
-
-  // SCROLLING
-
-  function scrollCursorIntoView(cm) {
-    var view = cm.view;
-    var coords = scrollPosIntoView(cm, view.sel.head);
-    if (!view.focused) return;
-    var display = cm.display, box = display.sizer.getBoundingClientRect(), doScroll = null;
-    if (coords.top + box.top < 0) doScroll = true;
-    else if (coords.bottom + box.top > (window.innerHeight || document.documentElement.clientHeight)) doScroll = false;
-    if (doScroll != null && !phantom) {
-      var hidden = display.cursor.style.display == "none";
-      if (hidden) {
-        display.cursor.style.display = "";
-        display.cursor.style.left = coords.left + "px";
-        display.cursor.style.top = (coords.top - display.viewOffset) + "px";
-      }
-      display.cursor.scrollIntoView(doScroll);
-      if (hidden) display.cursor.style.display = "none";
-    }
-  }
-
-  function scrollPosIntoView(cm, pos) {
-    for (;;) {
-      var changed = false, coords = cursorCoords(cm, pos);
-      var scrollPos = calculateScrollPos(cm, coords.left, coords.top, coords.left, coords.bottom);
-      var startTop = cm.view.scrollTop, startLeft = cm.view.scrollLeft;
-      if (scrollPos.scrollTop != null) {
-        setScrollTop(cm, scrollPos.scrollTop);
-        if (Math.abs(cm.view.scrollTop - startTop) > 1) changed = true;
-      }
-      if (scrollPos.scrollLeft != null) {
-        setScrollLeft(cm, scrollPos.scrollLeft);
-        if (Math.abs(cm.view.scrollLeft - startLeft) > 1) changed = true;
-      }
-      if (!changed) return coords;
-    }
-  }
-
-  function scrollIntoView(cm, x1, y1, x2, y2) {
-    var scrollPos = calculateScrollPos(cm, x1, y1, x2, y2);
-    if (scrollPos.scrollTop != null) setScrollTop(cm, scrollPos.scrollTop);
-    if (scrollPos.scrollLeft != null) setScrollLeft(cm, scrollPos.scrollLeft);
-  }
-
-  function calculateScrollPos(cm, x1, y1, x2, y2) {
-    var display = cm.display, pt = paddingTop(display);
-    y1 += pt; y2 += pt;
-    var screen = display.scroller.clientHeight - scrollerCutOff, screentop = display.scroller.scrollTop, result = {};
-    var docBottom = cm.view.doc.height + 2 * pt;
-    var atTop = y1 < pt + 10, atBottom = y2 + pt > docBottom - 10;
-    if (y1 < screentop) result.scrollTop = atTop ? 0 : Math.max(0, y1);
-    else if (y2 > screentop + screen) result.scrollTop = (atBottom ? docBottom : y2) - screen;
-
-    var screenw = display.scroller.clientWidth - scrollerCutOff, screenleft = display.scroller.scrollLeft;
-    x1 += display.gutters.offsetWidth; x2 += display.gutters.offsetWidth;
-    var gutterw = display.gutters.offsetWidth;
-    var atLeft = x1 < gutterw + 10;
-    if (x1 < screenleft + gutterw || atLeft) {
-      if (atLeft) x1 = 0;
-      result.scrollLeft = Math.max(0, x1 - 10 - gutterw);
-    } else if (x2 > screenw + screenleft - 3) {
-      result.scrollLeft = x2 + 10 - screenw;
-    }
-    return result;
-  }
-
-  // API UTILITIES
-
-  function indentLine(cm, n, how, aggressive) {
-    var doc = cm.view.doc;
-    if (!how) how = "add";
-    if (how == "smart") {
-      if (!cm.view.mode.indent) how = "prev";
-      else var state = getStateBefore(cm, n);
-    }
-
-    var tabSize = cm.options.tabSize;
-    var line = getLine(doc, n), curSpace = countColumn(line.text, null, tabSize);
-    var curSpaceString = line.text.match(/^\s*/)[0], indentation;
-    if (how == "smart") {
-      indentation = cm.view.mode.indent(state, line.text.slice(curSpaceString.length), line.text);
-      if (indentation == Pass) {
-        if (!aggressive) return;
-        how = "prev";
-      }
-    }
-    if (how == "prev") {
-      if (n) indentation = countColumn(getLine(doc, n-1).text, null, tabSize);
-      else indentation = 0;
-    }
-    else if (how == "add") indentation = curSpace + cm.options.indentUnit;
-    else if (how == "subtract") indentation = curSpace - cm.options.indentUnit;
-    indentation = Math.max(0, indentation);
-
-    var indentString = "", pos = 0;
-    if (cm.options.indentWithTabs)
-      for (var i = Math.floor(indentation / tabSize); i; --i) {pos += tabSize; indentString += "\t";}
-    if (pos < indentation) indentString += spaceStr(indentation - pos);
-
-    if (indentString != curSpaceString)
-      replaceRange(cm, indentString, {line: n, ch: 0}, {line: n, ch: curSpaceString.length}, "input");
-    line.stateAfter = null;
-  }
-
-  function changeLine(cm, handle, op) {
-    var no = handle, line = handle, doc = cm.view.doc;
-    if (typeof handle == "number") line = getLine(doc, clipLine(doc, handle));
-    else no = lineNo(handle);
-    if (no == null) return null;
-    if (op(line, no)) regChange(cm, no, no + 1);
-    else return null;
-    return line;
-  }
-
-  function findPosH(cm, dir, unit, visually) {
-    var doc = cm.view.doc, end = cm.view.sel.head, line = end.line, ch = end.ch;
-    var lineObj = getLine(doc, line);
-    function findNextLine() {
-      var l = line + dir;
-      if (l < 0 || l == doc.size) return false;
-      line = l;
-      return lineObj = getLine(doc, l);
-    }
-    function moveOnce(boundToLine) {
-      var next = (visually ? moveVisually : moveLogically)(lineObj, ch, dir, true);
-      if (next == null) {
-        if (!boundToLine && findNextLine()) {
-          if (visually) ch = (dir < 0 ? lineRight : lineLeft)(lineObj);
-          else ch = dir < 0 ? lineObj.text.length : 0;
-        } else return false;
-      } else ch = next;
-      return true;
-    }
-    if (unit == "char") moveOnce();
-    else if (unit == "column") moveOnce(true);
-    else if (unit == "word") {
-      var sawWord = false;
-      for (;;) {
-        if (dir < 0) if (!moveOnce()) break;
-        if (isWordChar(lineObj.text.charAt(ch))) sawWord = true;
-        else if (sawWord) {if (dir < 0) {dir = 1; moveOnce();} break;}
-        if (dir > 0) if (!moveOnce()) break;
-      }
-    }
-    return skipAtomic(cm, {line: line, ch: ch}, dir, true);
-  }
-
-  function findWordAt(line, pos) {
-    var start = pos.ch, end = pos.ch;
-    if (line) {
-      if (pos.after === false || end == line.length) --start; else ++end;
-      var startChar = line.charAt(start);
-      var check = isWordChar(startChar) ? isWordChar :
-        /\s/.test(startChar) ? function(ch) {return /\s/.test(ch);} :
-      function(ch) {return !/\s/.test(ch) && !isWordChar(ch);};
-      while (start > 0 && check(line.charAt(start - 1))) --start;
-      while (end < line.length && check(line.charAt(end))) ++end;
-    }
-    return {from: {line: pos.line, ch: start}, to: {line: pos.line, ch: end}};
-  }
-
-  function selectLine(cm, line) {
-    extendSelection(cm, {line: line, ch: 0}, clipPos(cm.view.doc, {line: line + 1, ch: 0}));
-  }
-
-  // PROTOTYPE
-
-  // The publicly visible API. Note that operation(null, f) means
-  // 'wrap f in an operation, performed on its `this` parameter'
-
-  CodeMirror.prototype = {
-    getValue: function(lineSep) {
-      var text = [], doc = this.view.doc;
-      doc.iter(0, doc.size, function(line) { text.push(line.text); });
-      return text.join(lineSep || "\n");
-    },
-
-    setValue: operation(null, function(code) {
-      var doc = this.view.doc, top = {line: 0, ch: 0}, lastLen = getLine(doc, doc.size-1).text.length;
-      updateDocInner(this, top, {line: doc.size - 1, ch: lastLen}, splitLines(code), top, top, "setValue");
-    }),
-
-    getSelection: function(lineSep) { return this.getRange(this.view.sel.from, this.view.sel.to, lineSep); },
-
-    replaceSelection: operation(null, function(code, collapse, origin) {
-      var sel = this.view.sel;
-      updateDoc(this, sel.from, sel.to, splitLines(code), collapse || "around", origin);
-    }),
-
-    focus: function(){window.focus(); focusInput(this); onFocus(this); fastPoll(this);},
-
-    setOption: function(option, value) {
-      var options = this.options, old = options[option];
-      if (options[option] == value && option != "mode") return;
-      options[option] = value;
-      if (optionHandlers.hasOwnProperty(option))
-        operation(this, optionHandlers[option])(this, value, old);
-    },
-
-    getOption: function(option) {return this.options[option];},
-
-    getMode: function() {return this.view.mode;},
-
-    addKeyMap: function(map) {
-      this.view.keyMaps.push(map);
-    },
-
-    removeKeyMap: function(map) {
-      var maps = this.view.keyMaps;
-      for (var i = 0; i < maps.length; ++i)
-        if ((typeof map == "string" ? maps[i].name : maps[i]) == map) {
-          maps.splice(i, 1);
-          return true;
-        }
-    },
-
-    undo: operation(null, function() {unredoHelper(this, "undo");}),
-    redo: operation(null, function() {unredoHelper(this, "redo");}),
-
-    indentLine: operation(null, function(n, dir, aggressive) {
-      if (typeof dir != "string") {
-        if (dir == null) dir = this.options.smartIndent ? "smart" : "prev";
-        else dir = dir ? "add" : "subtract";
-      }
-      if (isLine(this.view.doc, n)) indentLine(this, n, dir, aggressive);
-    }),
-
-    indentSelection: operation(null, function(how) {
-      var sel = this.view.sel;
-      if (posEq(sel.from, sel.to)) return indentLine(this, sel.from.line, how);
-      var e = sel.to.line - (sel.to.ch ? 0 : 1);
-      for (var i = sel.from.line; i <= e; ++i) indentLine(this, i, how);
-    }),
-
-    historySize: function() {
-      var hist = this.view.history;
-      return {undo: hist.done.length, redo: hist.undone.length};
-    },
-
-    clearHistory: function() {this.view.history = makeHistory();},
-
-    markClean: function() {
-      this.view.history.dirtyCounter = 0;
-      this.view.history.lastOp = this.view.history.lastOrigin = null;
-    },
-
-    isClean: function () {return this.view.history.dirtyCounter == 0;},
-      
-    getHistory: function() {
-      var hist = this.view.history;
-      function cp(arr) {
-        for (var i = 0, nw = [], nwelt; i < arr.length; ++i) {
-          var set = arr[i];
-          nw.push({events: nwelt = [], fromBefore: set.fromBefore, toBefore: set.toBefore,
-                   fromAfter: set.fromAfter, toAfter: set.toAfter});
-          for (var j = 0, elt = set.events; j < elt.length; ++j) {
-            var old = [], cur = elt[j];
-            nwelt.push({start: cur.start, added: cur.added, old: old});
-            for (var k = 0; k < cur.old.length; ++k) old.push(hlText(cur.old[k]));
-          }
-        }
-        return nw;
-      }
-      return {done: cp(hist.done), undone: cp(hist.undone)};
-    },
-
-    setHistory: function(histData) {
-      var hist = this.view.history = makeHistory();
-      hist.done = histData.done;
-      hist.undone = histData.undone;
-    },
-
-    // Fetch the parser token for a given character. Useful for hacks
-    // that want to inspect the mode state (say, for completion).
-    getTokenAt: function(pos) {
-      var doc = this.view.doc;
-      pos = clipPos(doc, pos);
-      var state = getStateBefore(this, pos.line), mode = this.view.mode;
-      var line = getLine(doc, pos.line);
-      var stream = new StringStream(line.text, this.options.tabSize);
-      while (stream.pos < pos.ch && !stream.eol()) {
-        stream.start = stream.pos;
-        var style = mode.token(stream, state);
-      }
-      return {start: stream.start,
-              end: stream.pos,
-              string: stream.current(),
-              className: style || null, // Deprecated, use 'type' instead
-              type: style || null,
-              state: state};
-    },
-
-    getStateAfter: function(line) {
-      var doc = this.view.doc;
-      line = clipLine(doc, line == null ? doc.size - 1: line);
-      return getStateBefore(this, line + 1);
-    },
-
-    cursorCoords: function(start, mode) {
-      var pos, sel = this.view.sel;
-      if (start == null) pos = sel.head;
-      else if (typeof start == "object") pos = clipPos(this.view.doc, start);
-      else pos = start ? sel.from : sel.to;
-      return cursorCoords(this, pos, mode || "page");
-    },
-
-    charCoords: function(pos, mode) {
-      return charCoords(this, clipPos(this.view.doc, pos), mode || "page");
-    },
-
-    coordsChar: function(coords) {
-      var off = this.display.lineSpace.getBoundingClientRect();
-      return coordsChar(this, coords.left - off.left, coords.top - off.top);
-    },
-
-    defaultTextHeight: function() { return textHeight(this.display); },
-
-    markText: operation(null, function(from, to, options) {
-      return markText(this, clipPos(this.view.doc, from), clipPos(this.view.doc, to),
-                      options, "range");
-    }),
-
-    setBookmark: operation(null, function(pos, widget) {
-      pos = clipPos(this.view.doc, pos);
-      return markText(this, pos, pos, widget ? {replacedWith: widget} : {}, "bookmark");
-    }),
-
-    findMarksAt: function(pos) {
-      var doc = this.view.doc;
-      pos = clipPos(doc, pos);
-      var markers = [], spans = getLine(doc, pos.line).markedSpans;
-      if (spans) for (var i = 0; i < spans.length; ++i) {
-        var span = spans[i];
-        if ((span.from == null || span.from <= pos.ch) &&
-            (span.to == null || span.to >= pos.ch))
-          markers.push(span.marker);
-      }
-      return markers;
-    },
-
-    setGutterMarker: operation(null, function(line, gutterID, value) {
-      return changeLine(this, line, function(line) {
-        var markers = line.gutterMarkers || (line.gutterMarkers = {});
-        markers[gutterID] = value;
-        if (!value && isEmpty(markers)) line.gutterMarkers = null;
-        return true;
-      });
-    }),
-
-    clearGutter: operation(null, function(gutterID) {
-      var i = 0, cm = this, doc = cm.view.doc;
-      doc.iter(0, doc.size, function(line) {
-        if (line.gutterMarkers && line.gutterMarkers[gutterID]) {
-          line.gutterMarkers[gutterID] = null;
-          regChange(cm, i, i + 1);
-          if (isEmpty(line.gutterMarkers)) line.gutterMarkers = null;
-        }
-        ++i;
-      });
-    }),
-
-    addLineClass: operation(null, function(handle, where, cls) {
-      return changeLine(this, handle, function(line) {
-        var prop = where == "text" ? "textClass" : where == "background" ? "bgClass" : "wrapClass";
-        if (!line[prop]) line[prop] = cls;
-        else if (new RegExp("\\b" + cls + "\\b").test(line[prop])) return false;
-        else line[prop] += " " + cls;
-        return true;
-      });
-    }),
-
-    removeLineClass: operation(null, function(handle, where, cls) {
-      return changeLine(this, handle, function(line) {
-        var prop = where == "text" ? "textClass" : where == "background" ? "bgClass" : "wrapClass";
-        var cur = line[prop];
-        if (!cur) return false;
-        else if (cls == null) line[prop] = null;
-        else {
-          var upd = cur.replace(new RegExp("^" + cls + "\\b\\s*|\\s*\\b" + cls + "\\b"), "");
-          if (upd == cur) return false;
-          line[prop] = upd || null;
-        }
-        return true;
-      });
-    }),
-
-    addLineWidget: operation(null, function(handle, node, options) {
-      var widget = options || {};
-      widget.node = node;
-      if (widget.noHScroll) this.display.alignWidgets = true;
-      changeLine(this, handle, function(line) {
-        (line.widgets || (line.widgets = [])).push(widget);
-        widget.line = line;
-        return true;
-      });
-      return widget;
-    }),
-
-    removeLineWidget: operation(null, function(widget) {
-      var ws = widget.line.widgets, no = lineNo(widget.line);
-      if (no == null) return;
-      for (var i = 0; i < ws.length; ++i) if (ws[i] == widget) ws.splice(i--, 1);
-      regChange(this, no, no + 1);
-    }),
-
-    lineInfo: function(line) {
-      if (typeof line == "number") {
-        if (!isLine(this.view.doc, line)) return null;
-        var n = line;
-        line = getLine(this.view.doc, line);
-        if (!line) return null;
-      } else {
-        var n = lineNo(line);
-        if (n == null) return null;
-      }
-      return {line: n, handle: line, text: line.text, gutterMarkers: line.gutterMarkers,
-              textClass: line.textClass, bgClass: line.bgClass, wrapClass: line.wrapClass,
-              widgets: line.widgets};
-    },
-
-    getViewport: function() { return {from: this.display.showingFrom, to: this.display.showingTo};},
-
-    addWidget: function(pos, node, scroll, vert, horiz) {
-      var display = this.display;
-      pos = cursorCoords(this, clipPos(this.view.doc, pos));
-      var top = pos.top, left = pos.left;
-      node.style.position = "absolute";
-      display.sizer.appendChild(node);
-      if (vert == "over") top = pos.top;
-      else if (vert == "near") {
-        var vspace = Math.max(display.wrapper.clientHeight, this.view.doc.height),
-        hspace = Math.max(display.sizer.clientWidth, display.lineSpace.clientWidth);
-        if (pos.bottom + node.offsetHeight > vspace && pos.top > node.offsetHeight)
-          top = pos.top - node.offsetHeight;
-        if (left + node.offsetWidth > hspace)
-          left = hspace - node.offsetWidth;
-      }
-      node.style.top = (top + paddingTop(display)) + "px";
-      node.style.left = node.style.right = "";
-      if (horiz == "right") {
-        left = display.sizer.clientWidth - node.offsetWidth;
-        node.style.right = "0px";
-      } else {
-        if (horiz == "left") left = 0;
-        else if (horiz == "middle") left = (display.sizer.clientWidth - node.offsetWidth) / 2;
-        node.style.left = left + "px";
-      }
-      if (scroll)
-        scrollIntoView(this, left, top, left + node.offsetWidth, top + node.offsetHeight);
-    },
-
-    lineCount: function() {return this.view.doc.size;},
-
-    clipPos: function(pos) {return clipPos(this.view.doc, pos);},
-
-    getCursor: function(start) {
-      var sel = this.view.sel, pos;
-      if (start == null || start == "head") pos = sel.head;
-      else if (start == "anchor") pos = sel.anchor;
-      else if (start == "end" || start === false) pos = sel.to;
-      else pos = sel.from;
-      return copyPos(pos);
-    },
-
-    somethingSelected: function() {return !posEq(this.view.sel.from, this.view.sel.to);},
-
-    setCursor: operation(null, function(line, ch, extend) {
-      var pos = clipPos(this.view.doc, typeof line == "number" ? {line: line, ch: ch || 0} : line);
-      if (extend) extendSelection(this, pos);
-      else setSelection(this, pos, pos);
-    }),
-
-    setSelection: operation(null, function(anchor, head) {
-      var doc = this.view.doc;
-      setSelection(this, clipPos(doc, anchor), clipPos(doc, head || anchor));
-    }),
-
-    extendSelection: operation(null, function(from, to) {
-      var doc = this.view.doc;
-      extendSelection(this, clipPos(doc, from), to && clipPos(doc, to));
-    }),
-
-    setExtending: function(val) {this.view.sel.extend = val;},
-
-    getLine: function(line) {var l = this.getLineHandle(line); return l && l.text;},
-
-    getLineHandle: function(line) {
-      var doc = this.view.doc;
-      if (isLine(doc, line)) return getLine(doc, line);
-    },
-
-    getLineNumber: function(line) {return lineNo(line);},
-
-    setLine: operation(null, function(line, text) {
-      if (isLine(this.view.doc, line))
-        replaceRange(this, text, {line: line, ch: 0}, {line: line, ch: getLine(this.view.doc, line).text.length});
-    }),
-
-    removeLine: operation(null, function(line) {
-      if (isLine(this.view.doc, line))
-        replaceRange(this, "", {line: line, ch: 0}, clipPos(this.view.doc, {line: line+1, ch: 0}));
-    }),
-
-    replaceRange: operation(null, function(code, from, to) {
-      var doc = this.view.doc;
-      from = clipPos(doc, from);
-      to = to ? clipPos(doc, to) : from;
-      return replaceRange(this, code, from, to);
-    }),
-
-    getRange: function(from, to, lineSep) {
-      var doc = this.view.doc;
-      from = clipPos(doc, from); to = clipPos(doc, to);
-      var l1 = from.line, l2 = to.line;
-      if (l1 == l2) return getLine(doc, l1).text.slice(from.ch, to.ch);
-      var code = [getLine(doc, l1).text.slice(from.ch)];
-      doc.iter(l1 + 1, l2, function(line) { code.push(line.text); });
-      code.push(getLine(doc, l2).text.slice(0, to.ch));
-      return code.join(lineSep || "\n");
-    },
-
-    triggerOnKeyDown: operation(null, onKeyDown),
-
-    execCommand: function(cmd) {return commands[cmd](this);},
-
-    // Stuff used by commands, probably not much use to outside code.
-    moveH: operation(null, function(dir, unit) {
-      var sel = this.view.sel, pos = dir < 0 ? sel.from : sel.to;
-      if (sel.shift || sel.extend || posEq(sel.from, sel.to)) pos = findPosH(this, dir, unit, true);
-      extendSelection(this, pos, pos, dir);
-    }),
-
-    deleteH: operation(null, function(dir, unit) {
-      var sel = this.view.sel;
-      if (!posEq(sel.from, sel.to)) replaceRange(this, "", sel.from, sel.to, "delete");
-      else replaceRange(this, "", sel.from, findPosH(this, dir, unit, false), "delete");
-      this.curOp.userSelChange = true;
-    }),
-
-    moveV: operation(null, function(dir, unit) {
-      var view = this.view, doc = view.doc, display = this.display;
-      var cur = view.sel.head, pos = cursorCoords(this, cur, "div");
-      var x = pos.left, y;
-      if (view.goalColumn != null) x = view.goalColumn;
-      if (unit == "page") {
-        var pageSize = Math.min(display.wrapper.clientHeight, window.innerHeight || document.documentElement.clientHeight);
-        y = pos.top + dir * pageSize;
-      } else if (unit == "line") {
-        y = dir > 0 ? pos.bottom + 3 : pos.top - 3;
-      }
-      do {
-        var target = coordsChar(this, x, y);
-        y += dir * 5;
-      } while (target.outside && (dir < 0 ? y > 0 : y < doc.height));
-
-      if (unit == "page") display.scrollbarV.scrollTop += charCoords(this, target, "div").top - pos.top;
-      extendSelection(this, target, target, dir);
-      view.goalColumn = x;
-    }),
-
-    toggleOverwrite: function() {
-      if (this.view.overwrite = !this.view.overwrite)
-        this.display.cursor.className += " CodeMirror-overwrite";
-      else
-        this.display.cursor.className = this.display.cursor.className.replace(" CodeMirror-overwrite", "");
-    },
-
-    posFromIndex: function(off) {
-      var lineNo = 0, ch, doc = this.view.doc;
-      doc.iter(0, doc.size, function(line) {
-        var sz = line.text.length + 1;
-        if (sz > off) { ch = off; return true; }
-        off -= sz;
-        ++lineNo;
-      });
-      return clipPos(doc, {line: lineNo, ch: ch});
-    },
-    indexFromPos: function (coords) {
-      if (coords.line < 0 || coords.ch < 0) return 0;
-      var index = coords.ch;
-      this.view.doc.iter(0, coords.line, function (line) {
-        index += line.text.length + 1;
-      });
-      return index;
-    },
-
-    scrollTo: function(x, y) {
-      if (x != null) this.display.scrollbarH.scrollLeft = this.display.scroller.scrollLeft = x;
-      if (y != null) this.display.scrollbarV.scrollTop = this.display.scroller.scrollTop = y;
-      updateDisplay(this, []);
-    },
-    getScrollInfo: function() {
-      var scroller = this.display.scroller, co = scrollerCutOff;
-      return {left: scroller.scrollLeft, top: scroller.scrollTop,
-              height: scroller.scrollHeight - co, width: scroller.scrollWidth - co,
-              clientHeight: scroller.clientHeight - co, clientWidth: scroller.clientWidth - co};
-    },
-
-    scrollIntoView: function(pos) {
-      if (typeof pos == "number") pos = {line: pos, ch: 0};
-      pos = pos ? clipPos(this.view.doc, pos) : this.view.sel.head;
-      scrollPosIntoView(this, pos);
-    },
-
-    setSize: function(width, height) {
-      function interpret(val) {
-        return typeof val == "number" || /^\d+$/.test(String(val)) ? val + "px" : val;
-      }
-      if (width != null) this.display.wrapper.style.width = interpret(width);
-      if (height != null) this.display.wrapper.style.height = interpret(height);
-      this.refresh();
-    },
-
-    on: function(type, f) {on(this, type, f);},
-    off: function(type, f) {off(this, type, f);},
-
-    operation: function(f){return operation(this, f)();},
-
-    refresh: function() {
-      clearCaches(this);
-      if (this.display.scroller.scrollHeight > this.view.scrollTop)
-        this.display.scrollbarV.scrollTop = this.display.scroller.scrollTop = this.view.scrollTop;
-      updateDisplay(this, true);
-    },
-
-    getInputField: function(){return this.display.input;},
-    getWrapperElement: function(){return this.display.wrapper;},
-    getScrollerElement: function(){return this.display.scroller;},
-    getGutterElement: function(){return this.display.gutters;}
-  };
-
-  // OPTION DEFAULTS
-
-  var optionHandlers = CodeMirror.optionHandlers = {};
-
-  // The default configuration options.
-  var defaults = CodeMirror.defaults = {};
-
-  function option(name, deflt, handle, notOnInit) {
-    CodeMirror.defaults[name] = deflt;
-    if (handle) optionHandlers[name] =
-      notOnInit ? function(cm, val, old) {if (old != Init) handle(cm, val, old);} : handle;
-  }
-
-  var Init = CodeMirror.Init = {toString: function(){return "CodeMirror.Init";}};
-
-  // These two are, on init, called from the constructor because they
-  // have to be initialized before the editor can start at all.
-  option("value", "", function(cm, val) {cm.setValue(val);}, true);
-  option("mode", null, loadMode, true);
-
-  option("indentUnit", 2, loadMode, true);
-  option("indentWithTabs", false);
-  option("smartIndent", true);
-  option("tabSize", 4, function(cm) {
-    loadMode(cm);
-    clearCaches(cm);
-    updateDisplay(cm, true);
-  }, true);
-  option("electricChars", true);
-
-  option("theme", "default", function(cm) {
-    themeChanged(cm);
-    guttersChanged(cm);
-  }, true);
-  option("keyMap", "default", keyMapChanged);
-  option("extraKeys", null);
-
-  option("onKeyEvent", null);
-  option("onDragEvent", null);
-
-  option("lineWrapping", false, wrappingChanged, true);
-  option("gutters", [], function(cm) {
-    setGuttersForLineNumbers(cm.options);
-    guttersChanged(cm);
-  }, true);
-  option("lineNumbers", false, function(cm) {
-    setGuttersForLineNumbers(cm.options);
-    guttersChanged(cm);
-  }, true);
-  option("firstLineNumber", 1, guttersChanged, true);
-  option("lineNumberFormatter", function(integer) {return integer;}, guttersChanged, true);
-  option("showCursorWhenSelecting", false, updateSelection, true);
-  
-  option("readOnly", false, function(cm, val) {
-    if (val == "nocursor") {onBlur(cm); cm.display.input.blur();}
-    else if (!val) resetInput(cm, true);
-  });
-  option("dragDrop", true);
-
-  option("cursorBlinkRate", 530);
-  option("cursorHeight", 1);
-  option("workTime", 100);
-  option("workDelay", 100);
-  option("flattenSpans", true);
-  option("pollInterval", 100);
-  option("undoDepth", 40);
-  option("viewportMargin", 10, function(cm){cm.refresh();}, true);
-
-  option("tabindex", null, function(cm, val) {
-    cm.display.input.tabIndex = val || "";
-  });
-  option("autofocus", null);
-
-  // MODE DEFINITION AND QUERYING
-
-  // Known modes, by name and by MIME
-  var modes = CodeMirror.modes = {}, mimeModes = CodeMirror.mimeModes = {};
-
-  CodeMirror.defineMode = function(name, mode) {
-    if (!CodeMirror.defaults.mode && name != "null") CodeMirror.defaults.mode = name;
-    if (arguments.length > 2) {
-      mode.dependencies = [];
-      for (var i = 2; i < arguments.length; ++i) mode.dependencies.push(arguments[i]);
-    }
-    modes[name] = mode;
-  };
-
-  CodeMirror.defineMIME = function(mime, spec) {
-    mimeModes[mime] = spec;
-  };
-
-  CodeMirror.resolveMode = function(spec) {
-    if (typeof spec == "string" && mimeModes.hasOwnProperty(spec))
-      spec = mimeModes[spec];
-    else if (typeof spec == "string" && /^[\w\-]+\/[\w\-]+\+xml$/.test(spec))
-      return CodeMirror.resolveMode("application/xml");
-    if (typeof spec == "string") return {name: spec};
-    else return spec || {name: "null"};
-  };
-
-  CodeMirror.getMode = function(options, spec) {
-    var spec = CodeMirror.resolveMode(spec);
-    var mfactory = modes[spec.name];
-    if (!mfactory) return CodeMirror.getMode(options, "text/plain");
-    var modeObj = mfactory(options, spec);
-    if (modeExtensions.hasOwnProperty(spec.name)) {
-      var exts = modeExtensions[spec.name];
-      for (var prop in exts) {
-        if (!exts.hasOwnProperty(prop)) continue;
-        if (modeObj.hasOwnProperty(prop)) modeObj["_" + prop] = modeObj[prop];
-        modeObj[prop] = exts[prop];
-      }
-    }
-    modeObj.name = spec.name;
-    return modeObj;
-  };
-
-  CodeMirror.defineMode("null", function() {
-    return {token: function(stream) {stream.skipToEnd();}};
-  });
-  CodeMirror.defineMIME("text/plain", "null");
-
-  var modeExtensions = CodeMirror.modeExtensions = {};
-  CodeMirror.extendMode = function(mode, properties) {
-    var exts = modeExtensions.hasOwnProperty(mode) ? modeExtensions[mode] : (modeExtensions[mode] = {});
-    for (var prop in properties) if (properties.hasOwnProperty(prop))
-      exts[prop] = properties[prop];
-  };
-
-  // EXTENSIONS
-
-  CodeMirror.defineExtension = function(name, func) {
-    CodeMirror.prototype[name] = func;
-  };
-
-  CodeMirror.defineOption = option;
-
-  var initHooks = [];
-  CodeMirror.defineInitHook = function(f) {initHooks.push(f);};
-
-  // MODE STATE HANDLING
-
-  // Utility functions for working with state. Exported because modes
-  // sometimes need to do this.
-  function copyState(mode, state) {
-    if (state === true) return state;
-    if (mode.copyState) return mode.copyState(state);
-    var nstate = {};
-    for (var n in state) {
-      var val = state[n];
-      if (val instanceof Array) val = val.concat([]);
-      nstate[n] = val;
-    }
-    return nstate;
-  }
-  CodeMirror.copyState = copyState;
-
-  function startState(mode, a1, a2) {
-    return mode.startState ? mode.startState(a1, a2) : true;
-  }
-  CodeMirror.startState = startState;
-
-  CodeMirror.innerMode = function(mode, state) {
-    while (mode.innerMode) {
-      var info = mode.innerMode(state);
-      state = info.state;
-      mode = info.mode;
-    }
-    return info || {mode: mode, state: state};
-  };
-
-  // STANDARD COMMANDS
-
-  var commands = CodeMirror.commands = {
-    selectAll: function(cm) {cm.setSelection({line: 0, ch: 0}, {line: cm.lineCount() - 1});},
-    killLine: function(cm) {
-      var from = cm.getCursor(true), to = cm.getCursor(false), sel = !posEq(from, to);
-      if (!sel && cm.getLine(from.line).length == from.ch)
-        cm.replaceRange("", from, {line: from.line + 1, ch: 0}, "delete");
-      else cm.replaceRange("", from, sel ? to : {line: from.line}, "delete");
-    },
-    deleteLine: function(cm) {
-      var l = cm.getCursor().line;
-      cm.replaceRange("", {line: l, ch: 0}, {line: l}, "delete");
-    },
-    undo: function(cm) {cm.undo();},
-    redo: function(cm) {cm.redo();},
-    goDocStart: function(cm) {cm.extendSelection({line: 0, ch: 0});},
-    goDocEnd: function(cm) {cm.extendSelection({line: cm.lineCount() - 1});},
-    goLineStart: function(cm) {
-      cm.extendSelection(lineStart(cm, cm.getCursor().line));
-    },
-    goLineStartSmart: function(cm) {
-      var cur = cm.getCursor(), start = lineStart(cm, cur.line);
-      var line = cm.getLineHandle(start.line);
-      var order = getOrder(line);
-      if (!order || order[0].level == 0) {
-        var firstNonWS = Math.max(0, line.text.search(/\S/));
-        var inWS = cur.line == start.line && cur.ch <= firstNonWS && cur.ch;
-        cm.extendSelection({line: start.line, ch: inWS ? 0 : firstNonWS});
-      } else cm.extendSelection(start);
-    },
-    goLineEnd: function(cm) {
-      cm.extendSelection(lineEnd(cm, cm.getCursor().line));
-    },
-    goLineUp: function(cm) {cm.moveV(-1, "line");},
-    goLineDown: function(cm) {cm.moveV(1, "line");},
-    goPageUp: function(cm) {cm.moveV(-1, "page");},
-    goPageDown: function(cm) {cm.moveV(1, "page");},
-    goCharLeft: function(cm) {cm.moveH(-1, "char");},
-    goCharRight: function(cm) {cm.moveH(1, "char");},
-    goColumnLeft: function(cm) {cm.moveH(-1, "column");},
-    goColumnRight: function(cm) {cm.moveH(1, "column");},
-    goWordLeft: function(cm) {cm.moveH(-1, "word");},
-    goWordRight: function(cm) {cm.moveH(1, "word");},
-    delCharBefore: function(cm) {cm.deleteH(-1, "char");},
-    delCharAfter: function(cm) {cm.deleteH(1, "char");},
-    delWordBefore: function(cm) {cm.deleteH(-1, "word");},
-    delWordAfter: function(cm) {cm.deleteH(1, "word");},
-    indentAuto: function(cm) {cm.indentSelection("smart");},
-    indentMore: function(cm) {cm.indentSelection("add");},
-    indentLess: function(cm) {cm.indentSelection("subtract");},
-    insertTab: function(cm) {cm.replaceSelection("\t", "end", "input");},
-    defaultTab: function(cm) {
-      if (cm.somethingSelected()) cm.indentSelection("add");
-      else cm.replaceSelection("\t", "end", "input");
-    },
-    transposeChars: function(cm) {
-      var cur = cm.getCursor(), line = cm.getLine(cur.line);
-      if (cur.ch > 0 && cur.ch < line.length - 1)
-        cm.replaceRange(line.charAt(cur.ch) + line.charAt(cur.ch - 1),
-                        {line: cur.line, ch: cur.ch - 1}, {line: cur.line, ch: cur.ch + 1});
-    },
-    newlineAndIndent: function(cm) {
-      operation(cm, function() {
-        cm.replaceSelection("\n", "end", "input");
-        cm.indentLine(cm.getCursor().line, null, true);
-      })();
-    },
-    toggleOverwrite: function(cm) {cm.toggleOverwrite();}
-  };
-
-  // STANDARD KEYMAPS
-
-  var keyMap = CodeMirror.keyMap = {};
-  keyMap.basic = {
-    "Left": "goCharLeft", "Right": "goCharRight", "Up": "goLineUp", "Down": "goLineDown",
-    "End": "goLineEnd", "Home": "goLineStartSmart", "PageUp": "goPageUp", "PageDown": "goPageDown",
-    "Delete": "delCharAfter", "Backspace": "delCharBefore", "Tab": "defaultTab", "Shift-Tab": "indentAuto",
-    "Enter": "newlineAndIndent", "Insert": "toggleOverwrite"
-  };
-  // Note that the save and find-related commands aren't defined by
-  // default. Unknown commands are simply ignored.
-  keyMap.pcDefault = {
-    "Ctrl-A": "selectAll", "Ctrl-D": "deleteLine", "Ctrl-Z": "undo", "Shift-Ctrl-Z": "redo", "Ctrl-Y": "redo",
-    "Ctrl-Home": "goDocStart", "Alt-Up": "goDocStart", "Ctrl-End": "goDocEnd", "Ctrl-Down": "goDocEnd",
-    "Ctrl-Left": "goWordLeft", "Ctrl-Right": "goWordRight", "Alt-Left": "goLineStart", "Alt-Right": "goLineEnd",
-    "Ctrl-Backspace": "delWordBefore", "Ctrl-Delete": "delWordAfter", "Ctrl-S": "save", "Ctrl-F": "find",
-    "Ctrl-G": "findNext", "Shift-Ctrl-G": "findPrev", "Shift-Ctrl-F": "replace", "Shift-Ctrl-R": "replaceAll",
-    "Ctrl-[": "indentLess", "Ctrl-]": "indentMore",
-    fallthrough: "basic"
-  };
-  keyMap.macDefault = {
-    "Cmd-A": "selectAll", "Cmd-D": "deleteLine", "Cmd-Z": "undo", "Shift-Cmd-Z": "redo", "Cmd-Y": "redo",
-    "Cmd-Up": "goDocStart", "Cmd-End": "goDocEnd", "Cmd-Down": "goDocEnd", "Alt-Left": "goWordLeft",
-    "Alt-Right": "goWordRight", "Cmd-Left": "goLineStart", "Cmd-Right": "goLineEnd", "Alt-Backspace": "delWordBefore",
-    "Ctrl-Alt-Backspace": "delWordAfter", "Alt-Delete": "delWordAfter", "Cmd-S": "save", "Cmd-F": "find",
-    "Cmd-G": "findNext", "Shift-Cmd-G": "findPrev", "Cmd-Alt-F": "replace", "Shift-Cmd-Alt-F": "replaceAll",
-    "Cmd-[": "indentLess", "Cmd-]": "indentMore",
-    fallthrough: ["basic", "emacsy"]
-  };
-  keyMap["default"] = mac ? keyMap.macDefault : keyMap.pcDefault;
-  keyMap.emacsy = {
-    "Ctrl-F": "goCharRight", "Ctrl-B": "goCharLeft", "Ctrl-P": "goLineUp", "Ctrl-N": "goLineDown",
-    "Alt-F": "goWordRight", "Alt-B": "goWordLeft", "Ctrl-A": "goLineStart", "Ctrl-E": "goLineEnd",
-    "Ctrl-V": "goPageDown", "Shift-Ctrl-V": "goPageUp", "Ctrl-D": "delCharAfter", "Ctrl-H": "delCharBefore",
-    "Alt-D": "delWordAfter", "Alt-Backspace": "delWordBefore", "Ctrl-K": "killLine", "Ctrl-T": "transposeChars"
-  };
-
-  // KEYMAP DISPATCH
-
-  function getKeyMap(val) {
-    if (typeof val == "string") return keyMap[val];
-    else return val;
-  }
-
-  function lookupKey(name, maps, handle, stop) {
-    function lookup(map) {
-      map = getKeyMap(map);
-      var found = map[name];
-      if (found === false) {
-        if (stop) stop();
-        return true;
-      }
-      if (found != null && handle(found)) return true;
-      if (map.nofallthrough) {
-        if (stop) stop();
-        return true;
-      }
-      var fallthrough = map.fallthrough;
-      if (fallthrough == null) return false;
-      if (Object.prototype.toString.call(fallthrough) != "[object Array]")
-        return lookup(fallthrough);
-      for (var i = 0, e = fallthrough.length; i < e; ++i) {
-        if (lookup(fallthrough[i])) return true;
-      }
-      return false;
-    }
-
-    for (var i = 0; i < maps.length; ++i)
-      if (lookup(maps[i])) return true;
-  }
-  function isModifierKey(event) {
-    var name = keyNames[e_prop(event, "keyCode")];
-    return name == "Ctrl" || name == "Alt" || name == "Shift" || name == "Mod";
-  }
-  CodeMirror.isModifierKey = isModifierKey;
-
-  // FROMTEXTAREA
-
-  CodeMirror.fromTextArea = function(textarea, options) {
-    if (!options) options = {};
-    options.value = textarea.value;
-    if (!options.tabindex && textarea.tabindex)
-      options.tabindex = textarea.tabindex;
-    // Set autofocus to true if this textarea is focused, or if it has
-    // autofocus and no other element is focused.
-    if (options.autofocus == null) {
-      var hasFocus = document.body;
-      // doc.activeElement occasionally throws on IE
-      try { hasFocus = document.activeElement; } catch(e) {}
-      options.autofocus = hasFocus == textarea ||
-        textarea.getAttribute("autofocus") != null && hasFocus == document.body;
-    }
-
-    function save() {textarea.value = cm.getValue();}
-    if (textarea.form) {
-      // Deplorable hack to make the submit method do the right thing.
-      on(textarea.form, "submit", save);
-      var form = textarea.form, realSubmit = form.submit;
-      try {
-        form.submit = function wrappedSubmit() {
-          save();
-          form.submit = realSubmit;
-          form.submit();
-          form.submit = wrappedSubmit;
-        };
-      } catch(e) {}
-    }
-
-    textarea.style.display = "none";
-    var cm = CodeMirror(function(node) {
-      textarea.parentNode.insertBefore(node, textarea.nextSibling);
-    }, options);
-    cm.save = save;
-    cm.getTextArea = function() { return textarea; };
-    cm.toTextArea = function() {
-      save();
-      textarea.parentNode.removeChild(cm.getWrapperElement());
-      textarea.style.display = "";
-      if (textarea.form) {
-        off(textarea.form, "submit", save);
-        if (typeof textarea.form.submit == "function")
-          textarea.form.submit = realSubmit;
-      }
-    };
-    return cm;
-  };
-
-  // STRING STREAM
-
-  // Fed to the mode parsers, provides helper functions to make
-  // parsers more succinct.
-
-  // The character stream used by a mode's parser.
-  function StringStream(string, tabSize) {
-    this.pos = this.start = 0;
-    this.string = string;
-    this.tabSize = tabSize || 8;
-  }
-
-  StringStream.prototype = {
-    eol: function() {return this.pos >= this.string.length;},
-    sol: function() {return this.pos == 0;},
-    peek: function() {return this.string.charAt(this.pos) || undefined;},
-    next: function() {
-      if (this.pos < this.string.length)
-        return this.string.charAt(this.pos++);
-    },
-    eat: function(match) {
-      var ch = this.string.charAt(this.pos);
-      if (typeof match == "string") var ok = ch == match;
-      else var ok = ch && (match.test ? match.test(ch) : match(ch));
-      if (ok) {++this.pos; return ch;}
-    },
-    eatWhile: function(match) {
-      var start = this.pos;
-      while (this.eat(match)){}
-      return this.pos > start;
-    },
-    eatSpace: function() {
-      var start = this.pos;
-      while (/[\s\u00a0]/.test(this.string.charAt(this.pos))) ++this.pos;
-      return this.pos > start;
-    },
-    skipToEnd: function() {this.pos = this.string.length;},
-    skipTo: function(ch) {
-      var found = this.string.indexOf(ch, this.pos);
-      if (found > -1) {this.pos = found; return true;}
-    },
-    backUp: function(n) {this.pos -= n;},
-    column: function() {return countColumn(this.string, this.start, this.tabSize);},
-    indentation: function() {return countColumn(this.string, null, this.tabSize);},
-    match: function(pattern, consume, caseInsensitive) {
-      if (typeof pattern == "string") {
-        var cased = function(str) {return caseInsensitive ? str.toLowerCase() : str;};
-        if (cased(this.string).indexOf(cased(pattern), this.pos) == this.pos) {
-          if (consume !== false) this.pos += pattern.length;
-          return true;
-        }
-      } else {
-        var match = this.string.slice(this.pos).match(pattern);
-        if (match && match.index > 0) return null;
-        if (match && consume !== false) this.pos += match[0].length;
-        return match;
-      }
-    },
-    current: function(){return this.string.slice(this.start, this.pos);}
-  };
-  CodeMirror.StringStream = StringStream;
-
-  // TEXTMARKERS
-
-  function TextMarker(cm, type) {
-    this.lines = [];
-    this.type = type;
-    this.cm = cm;
-  }
-
-  TextMarker.prototype.clear = function() {
-    if (this.explicitlyCleared) return;
-    startOperation(this.cm);
-    var min = null, max = null;
-    for (var i = 0; i < this.lines.length; ++i) {
-      var line = this.lines[i];
-      var span = getMarkedSpanFor(line.markedSpans, this);
-      if (span.to != null) max = lineNo(line);
-      line.markedSpans = removeMarkedSpan(line.markedSpans, span);
-      if (span.from != null)
-        min = lineNo(line);
-      else if (this.collapsed && !lineIsHidden(line))
-        updateLineHeight(line, textHeight(this.cm.display));
-    }
-    if (min != null) regChange(this.cm, min, max + 1);
-    this.lines.length = 0;
-    this.explicitlyCleared = true;
-    if (this.collapsed && this.cm.view.cantEdit) {
-      this.cm.view.cantEdit = false;
-      reCheckSelection(this.cm);
-    }
-    endOperation(this.cm);
-    signalLater(this.cm, this, "clear");
-  };
-
-  TextMarker.prototype.find = function() {
-    var from, to;
-    for (var i = 0; i < this.lines.length; ++i) {
-      var line = this.lines[i];
-      var span = getMarkedSpanFor(line.markedSpans, this);
-      if (span.from != null || span.to != null) {
-        var found = lineNo(line);
-        if (span.from != null) from = {line: found, ch: span.from};
-        if (span.to != null) to = {line: found, ch: span.to};
-      }
-    }
-    if (this.type == "bookmark") return from;
-    return from && {from: from, to: to};
-  };
-
-  function markText(cm, from, to, options, type) {
-    var doc = cm.view.doc;
-    var marker = new TextMarker(cm, type);
-    if (type == "range" && !posLess(from, to)) return marker;
-    if (options) for (var opt in options) if (options.hasOwnProperty(opt))
-      marker[opt] = options[opt];
-    if (marker.replacedWith) {
-      marker.collapsed = true;
-      marker.replacedWith = elt("span", [marker.replacedWith], "CodeMirror-widget");
-    }
-    if (marker.collapsed) sawCollapsedSpans = true;
-
-    var curLine = from.line, size = 0, collapsedAtStart, collapsedAtEnd;
-    doc.iter(curLine, to.line + 1, function(line) {
-      var span = {from: null, to: null, marker: marker};
-      size += line.text.length;
-      if (curLine == from.line) {span.from = from.ch; size -= from.ch;}
-      if (curLine == to.line) {span.to = to.ch; size -= line.text.length - to.ch;}
-      if (marker.collapsed) {
-        if (curLine == to.line) collapsedAtEnd = collapsedSpanAt(line, to.ch);
-        if (curLine == from.line) collapsedAtStart = collapsedSpanAt(line, from.ch);
-        else updateLineHeight(line, 0);
-      }
-      addMarkedSpan(line, span);
-      if (marker.collapsed && curLine == from.line && lineIsHidden(line))
-        updateLineHeight(line, 0);
-      ++curLine;
-    });
-
-    if (marker.readOnly) {
-      sawReadOnlySpans = true;
-      if (cm.view.history.done.length || cm.view.history.undone.length)
-        cm.clearHistory();
-    }
-    if (marker.collapsed) {
-      if (collapsedAtStart != collapsedAtEnd)
-        throw new Error("Inserting collapsed marker overlapping an existing one");
-      marker.size = size;
-      marker.atomic = true;
-    }
-    if (marker.className || marker.startStyle || marker.endStyle || marker.collapsed)
-      regChange(cm, from.line, to.line + 1);
-    if (marker.atomic) reCheckSelection(cm);
-    return marker;
-  }
-
-  // TEXTMARKER SPANS
-
-  function getMarkedSpanFor(spans, marker) {
-    if (spans) for (var i = 0; i < spans.length; ++i) {
-      var span = spans[i];
-      if (span.marker == marker) return span;
-    }
-  }
-  function removeMarkedSpan(spans, span) {
-    for (var r, i = 0; i < spans.length; ++i)
-      if (spans[i] != span) (r || (r = [])).push(spans[i]);
-    return r;
-  }
-  function addMarkedSpan(line, span) {
-    line.markedSpans = line.markedSpans ? line.markedSpans.concat([span]) : [span];
-    span.marker.lines.push(line);
-  }
-
-  function markedSpansBefore(old, startCh) {
-    if (old) for (var i = 0, nw; i < old.length; ++i) {
-      var span = old[i], marker = span.marker;
-      var startsBefore = span.from == null || (marker.inclusiveLeft ? span.from <= startCh : span.from < startCh);
-      if (startsBefore || marker.type == "bookmark" && span.from == startCh) {
-        var endsAfter = span.to == null || (marker.inclusiveRight ? span.to >= startCh : span.to > startCh);
-        (nw || (nw = [])).push({from: span.from,
-                                to: endsAfter ? null : span.to,
-                                marker: marker});
-      }
-    }
-    return nw;
-  }
-
-  function markedSpansAfter(old, startCh, endCh) {
-    if (old) for (var i = 0, nw; i < old.length; ++i) {
-      var span = old[i], marker = span.marker;
-      var endsAfter = span.to == null || (marker.inclusiveRight ? span.to >= endCh : span.to > endCh);
-      if (endsAfter || marker.type == "bookmark" && span.from == endCh && span.from != startCh) {
-        var startsBefore = span.from == null || (marker.inclusiveLeft ? span.from <= endCh : span.from < endCh);
-        (nw || (nw = [])).push({from: startsBefore ? null : span.from - endCh,
-                                to: span.to == null ? null : span.to - endCh,
-                                marker: marker});
-      }
-    }
-    return nw;
-  }
-
-  function updateMarkedSpans(oldFirst, oldLast, startCh, endCh, newText) {
-    if (!oldFirst && !oldLast) return newText;
-    // Get the spans that 'stick out' on both sides
-    var first = markedSpansBefore(oldFirst, startCh);
-    var last = markedSpansAfter(oldLast, startCh, endCh);
-
-    // Next, merge those two ends
-    var sameLine = newText.length == 1, offset = lst(newText).length + (sameLine ? startCh : 0);
-    if (first) {
-      // Fix up .to properties of first
-      for (var i = 0; i < first.length; ++i) {
-        var span = first[i];
-        if (span.to == null) {
-          var found = getMarkedSpanFor(last, span.marker);
-          if (!found) span.to = startCh;
-          else if (sameLine) span.to = found.to == null ? null : found.to + offset;
-        }
-      }
-    }
-    if (last) {
-      // Fix up .from in last (or move them into first in case of sameLine)
-      for (var i = 0; i < last.length; ++i) {
-        var span = last[i];
-        if (span.to != null) span.to += offset;
-        if (span.from == null) {
-          var found = getMarkedSpanFor(first, span.marker);
-          if (!found) {
-            span.from = offset;
-            if (sameLine) (first || (first = [])).push(span);
-          }
-        } else {
-          span.from += offset;
-          if (sameLine) (first || (first = [])).push(span);
-        }
-      }
-    }
-
-    var newMarkers = [newHL(newText[0], first)];
-    if (!sameLine) {
-      // Fill gap with whole-line-spans
-      var gap = newText.length - 2, gapMarkers;
-      if (gap > 0 && first)
-        for (var i = 0; i < first.length; ++i)
-          if (first[i].to == null)
-            (gapMarkers || (gapMarkers = [])).push({from: null, to: null, marker: first[i].marker});
-      for (var i = 0; i < gap; ++i)
-        newMarkers.push(newHL(newText[i+1], gapMarkers));
-      newMarkers.push(newHL(lst(newText), last));
-    }
-    return newMarkers;
-  }
-
-  function removeReadOnlyRanges(doc, from, to) {
-    var markers = null;
-    doc.iter(from.line, to.line + 1, function(line) {
-      if (line.markedSpans) for (var i = 0; i < line.markedSpans.length; ++i) {
-        var mark = line.markedSpans[i].marker;
-        if (mark.readOnly && (!markers || indexOf(markers, mark) == -1))
-          (markers || (markers = [])).push(mark);
-      }
-    });
-    if (!markers) return null;
-    var parts = [{from: from, to: to}];
-    for (var i = 0; i < markers.length; ++i) {
-      var m = markers[i].find();
-      for (var j = 0; j < parts.length; ++j) {
-        var p = parts[j];
-        if (!posLess(m.from, p.to) || posLess(m.to, p.from)) continue;
-        var newParts = [j, 1];
-        if (posLess(p.from, m.from)) newParts.push({from: p.from, to: m.from});
-        if (posLess(m.to, p.to)) newParts.push({from: m.to, to: p.to});
-        parts.splice.apply(parts, newParts);
-        j += newParts.length - 1;
-      }
-    }
-    return parts;
-  }
-
-  function collapsedSpanAt(line, ch) {
-    var sps = sawCollapsedSpans && line.markedSpans, found;
-    if (sps) for (var sp, i = 0; i < sps.length; ++i) {
-      sp = sps[i];
-      if (!sp.marker.collapsed) continue;
-      if ((sp.from == null || sp.from < ch) &&
-          (sp.to == null || sp.to > ch) &&
-          (!found || found.width < sp.marker.width))
-        found = sp.marker;
-    }
-    return found;
-  }
-  function collapsedSpanAtStart(line) { return collapsedSpanAt(line, -1); }
-  function collapsedSpanAtEnd(line) { return collapsedSpanAt(line, line.text.length + 1); }
-
-  function visualLine(doc, line) {
-    var merged;
-    while (merged = collapsedSpanAtStart(line))
-      line = getLine(doc, merged.find().from.line);
-    return line;
-  }
-
-  function lineIsHidden(line) {
-    var sps = sawCollapsedSpans && line.markedSpans;
-    if (sps) for (var sp, i = 0; i < sps.length; ++i) {
-      sp = sps[i];
-      if (!sp.marker.collapsed) continue;
-      if (sp.from == null) return true;
-      if (sp.from == 0 && sp.marker.inclusiveLeft && lineIsHiddenInner(line, sp))
-        return true;
-    }
-  }
-  window.lineIsHidden = lineIsHidden;
-  function lineIsHiddenInner(line, span) {
-    if (span.to == null || span.marker.inclusiveRight && span.to == line.text.length)
-      return true;
-    for (var sp, i = 0; i < line.markedSpans.length; ++i) {
-      sp = line.markedSpans[i];
-      if (sp.marker.collapsed && sp.from == span.to &&
-          (sp.marker.inclusiveLeft || span.marker.inclusiveRight) &&
-          lineIsHiddenInner(line, sp)) return true;
-    }
-  }
-
-  // hl stands for history-line, a data structure that can be either a
-  // string (line without markers) or a {text, markedSpans} object.
-  function hlText(val) { return typeof val == "string" ? val : val.text; }
-  function hlSpans(val) {
-    if (typeof val == "string") return null;
-    var spans = val.markedSpans, out = null;
-    for (var i = 0; i < spans.length; ++i) {
-      if (spans[i].marker.explicitlyCleared) { if (!out) out = spans.slice(0, i); }
-      else if (out) out.push(spans[i]);
-    }
-    return !out ? spans : out.length ? out : null;
-  }
-  function newHL(text, spans) { return spans ? {text: text, markedSpans: spans} : text; }
-
-  function detachMarkedSpans(line) {
-    var spans = line.markedSpans;
-    if (!spans) return;
-    for (var i = 0; i < spans.length; ++i) {
-      var lines = spans[i].marker.lines;
-      var ix = indexOf(lines, line);
-      lines.splice(ix, 1);
-    }
-    line.markedSpans = null;
-  }
-
-  function attachMarkedSpans(line, spans) {
-    if (!spans) return;
-    for (var i = 0; i < spans.length; ++i)
-      spans[i].marker.lines.push(line);
-    line.markedSpans = spans;
-  }
-
-  // LINE DATA STRUCTURE
-
-  // Line objects. These hold state related to a line, including
-  // highlighting info (the styles array).
-  function makeLine(text, markedSpans, height) {
-    var line = {text: text, height: height};
-    attachMarkedSpans(line, markedSpans);
-    if (lineIsHidden(line)) line.height = 0;
-    return line;
-  }
-
-  function updateLine(cm, line, text, markedSpans) {
-    line.text = text;
-    line.stateAfter = line.styles = null;
-    if (line.order != null) line.order = null;
-    detachMarkedSpans(line);
-    attachMarkedSpans(line, markedSpans);
-    if (lineIsHidden(line)) line.height = 0;
-    else if (!line.height) line.height = textHeight(cm.display);
-    signalLater(cm, line, "change");
-  }
-
-  function cleanUpLine(line) {
-    line.parent = null;
-    detachMarkedSpans(line);
-  }
-
-  // Run the given mode's parser over a line, update the styles
-  // array, which contains alternating fragments of text and CSS
-  // classes.
-  function highlightLine(cm, line, state) {
-    var mode = cm.view.mode, flattenSpans = cm.options.flattenSpans;
-    var changed = !line.styles, pos = 0, curText = "", curStyle = null;
-    var stream = new StringStream(line.text, cm.options.tabSize), st = line.styles || (line.styles = []);
-    if (line.text == "" && mode.blankLine) mode.blankLine(state);
-    while (!stream.eol()) {
-      var style = mode.token(stream, state), substr = stream.current();
-      stream.start = stream.pos;
-      if (!flattenSpans || curStyle != style) {
-        if (curText) {
-          changed = changed || pos >= st.length || curText != st[pos] || curStyle != st[pos+1];
-          st[pos++] = curText; st[pos++] = curStyle;
-        }
-        curText = substr; curStyle = style;
-      } else curText = curText + substr;
-      // Give up when line is ridiculously long
-      if (stream.pos > 5000) break;
-    }
-    if (curText) {
-      changed = changed || pos >= st.length || curText != st[pos] || curStyle != st[pos+1];
-      st[pos++] = curText; st[pos++] = curStyle;
-    }
-    if (stream.pos > 5000) { st[pos++] = line.text.slice(stream.pos); st[pos++] = null; }
-    if (pos != st.length) { st.length = pos; changed = true; }
-    return changed;
-  }
-
-  // Lightweight form of highlight -- proceed over this line and
-  // update state, but don't save a style array.
-  function processLine(cm, line, state) {
-    var mode = cm.view.mode;
-    var stream = new StringStream(line.text, cm.options.tabSize);
-    if (line.text == "" && mode.blankLine) mode.blankLine(state);
-    while (!stream.eol() && stream.pos <= 5000) {
-      mode.token(stream, state);
-      stream.start = stream.pos;
-    }
-  }
-
-  var styleToClassCache = {};
-  function styleToClass(style) {
-    if (!style) return null;
-    return styleToClassCache[style] ||
-      (styleToClassCache[style] = "cm-" + style.replace(/ +/g, " cm-"));
-  }
-
-  function lineContent(cm, realLine, measure) {
-    var merged, line = realLine, lineBefore, sawBefore, simple = true;
-    while (merged = collapsedSpanAtStart(line)) {
-      simple = false;
-      line = getLine(cm.view.doc, merged.find().from.line);
-      if (!lineBefore) lineBefore = line;
-    }
-
-    var builder = {pre: elt("pre"), col: 0, pos: 0, display: !measure,
-                   measure: null, addedOne: false, cm: cm};
-    if (line.textClass) builder.pre.className = line.textClass;
-
-    do {
-      if (!line.styles)
-        highlightLine(cm, line, line.stateAfter = getStateBefore(cm, lineNo(line)));
-      builder.measure = line == realLine && measure;
-      builder.pos = 0;
-      builder.addToken = builder.measure ? buildTokenMeasure : buildToken;
-      if (measure && sawBefore && line != realLine && !builder.addedOne) {
-        measure[0] = builder.pre.appendChild(zeroWidthElement(cm.display.measure));
-        builder.addedOne = true;
-      }
-      var next = insertLineContent(line, builder);
-      sawBefore = line == lineBefore;
-      if (next) {
-        line = getLine(cm.view.doc, next.to.line);
-        simple = false;
-      }
-    } while (next);
-
-    if (measure && !builder.addedOne)
-      measure[0] = builder.pre.appendChild(simple ? elt("span", "\u00a0") : zeroWidthElement(cm.display.measure));
-    if (!builder.pre.firstChild && !lineIsHidden(realLine))
-      builder.pre.appendChild(document.createTextNode("\u00a0"));
-
-    return builder.pre;
-  }
-
-  var tokenSpecialChars = /[\t\u0000-\u0019\u200b\u2028\u2029\uFEFF]/g;
-  function buildToken(builder, text, style, startStyle, endStyle) {
-    if (!text) return;
-    if (!tokenSpecialChars.test(text)) {
-      builder.col += text.length;
-      var content = document.createTextNode(text);
-    } else {
-      var content = document.createDocumentFragment(), pos = 0;
-      while (true) {
-        tokenSpecialChars.lastIndex = pos;
-        var m = tokenSpecialChars.exec(text);
-        var skipped = m ? m.index - pos : text.length - pos;
-        if (skipped) {
-          content.appendChild(document.createTextNode(text.slice(pos, pos + skipped)));
-          builder.col += skipped;
-        }
-        if (!m) break;
-        pos += skipped + 1;
-        if (m[0] == "\t") {
-          var tabSize = builder.cm.options.tabSize, tabWidth = tabSize - builder.col % tabSize;
-          content.appendChild(elt("span", spaceStr(tabWidth), "cm-tab"));
-          builder.col += tabWidth;
-        } else {
-          var token = elt("span", "\u2022", "cm-invalidchar");
-          token.title = "\\u" + m[0].charCodeAt(0).toString(16);
-          content.appendChild(token);
-          builder.col += 1;
-        }
-      }
-    }
-    if (style || startStyle || endStyle || builder.measure) {
-      var fullStyle = style || "";
-      if (startStyle) fullStyle += startStyle;
-      if (endStyle) fullStyle += endStyle;
-      return builder.pre.appendChild(elt("span", [content], fullStyle));
-    }
-    builder.pre.appendChild(content);
-  }
-
-  function buildTokenMeasure(builder, text, style, startStyle, endStyle) {
-    for (var i = 0; i < text.length; ++i) {
-      if (i && i < text.length - 1 &&
-          builder.cm.options.lineWrapping &&
-          spanAffectsWrapping.test(text.slice(i - 1, i + 1)))
-        builder.pre.appendChild(elt("wbr"));
-      builder.measure[builder.pos++] =
-        buildToken(builder, text.charAt(i), style,
-                   i == 0 && startStyle, i == text.length - 1 && endStyle);
-    }
-    if (text.length) builder.addedOne = true;
-  }
-
-  function buildCollapsedSpan(builder, size, widget) {
-    if (widget) {
-      if (!builder.display) widget = widget.cloneNode(true);
-      builder.pre.appendChild(widget);
-      if (builder.measure && size) {
-        builder.measure[builder.pos] = widget;
-        builder.addedOne = true;
-      }
-    }
-    builder.pos += size;
-  }
-
-  // Outputs a number of spans to make up a line, taking highlighting
-  // and marked text into account.
-  function insertLineContent(line, builder) {
-    var st = line.styles, spans = line.markedSpans;
-    if (!spans) {
-      for (var i = 0; i < st.length; i+=2)
-        builder.addToken(builder, st[i], styleToClass(st[i+1]));
-      return;
-    }
-
-    var allText = line.text, len = allText.length;
-    var pos = 0, i = 0, text = "", style;
-    var nextChange = 0, spanStyle, spanEndStyle, spanStartStyle, collapsed;
-    for (;;) {
-      if (nextChange == pos) { // Update current marker set
-        spanStyle = spanEndStyle = spanStartStyle = "";
-        collapsed = null; nextChange = Infinity;
-        var foundBookmark = null;
-        for (var j = 0; j < spans.length; ++j) {
-          var sp = spans[j], m = sp.marker;
-          if (sp.from <= pos && (sp.to == null || sp.to > pos)) {
-            if (sp.to != null && nextChange > sp.to) { nextChange = sp.to; spanEndStyle = ""; }
-            if (m.className) spanStyle += " " + m.className;
-            if (m.startStyle && sp.from == pos) spanStartStyle += " " + m.startStyle;
-            if (m.endStyle && sp.to == nextChange) spanEndStyle += " " + m.endStyle;
-            if (m.collapsed && (!collapsed || collapsed.marker.width < m.width))
-              collapsed = sp;
-          } else if (sp.from > pos && nextChange > sp.from) {
-            nextChange = sp.from;
-          }
-          if (m.type == "bookmark" && sp.from == pos && m.replacedWith)
-            foundBookmark = m.replacedWith;
-        }
-        if (collapsed && (collapsed.from || 0) == pos) {
-          buildCollapsedSpan(builder, (collapsed.to == null ? len : collapsed.to) - pos,
-                             collapsed.from != null && collapsed.marker.replacedWith);
-          if (collapsed.to == null) return collapsed.marker.find();
-        }
-        if (foundBookmark && !collapsed) buildCollapsedSpan(builder, 0, foundBookmark);
-      }
-      if (pos >= len) break;
-
-      var upto = Math.min(len, nextChange);
-      while (true) {
-        if (text) {
-          var end = pos + text.length;
-          if (!collapsed) {
-            var tokenText = end > upto ? text.slice(0, upto - pos) : text;
-            builder.addToken(builder, tokenText, style + spanStyle,
-                             spanStartStyle, pos + tokenText.length == nextChange ? spanEndStyle : "");
-          }
-          if (end >= upto) {text = text.slice(upto - pos); pos = upto; break;}
-          pos = end;
-          spanStartStyle = "";
-        }
-        text = st[i++]; style = styleToClass(st[i++]);
-      }
-    }
-  }
-
-  // DOCUMENT DATA STRUCTURE
-
-  function LeafChunk(lines) {
-    this.lines = lines;
-    this.parent = null;
-    for (var i = 0, e = lines.length, height = 0; i < e; ++i) {
-      lines[i].parent = this;
-      height += lines[i].height;
-    }
-    this.height = height;
-  }
-
-  LeafChunk.prototype = {
-    chunkSize: function() { return this.lines.length; },
-    remove: function(at, n, cm) {
-      for (var i = at, e = at + n; i < e; ++i) {
-        var line = this.lines[i];
-        this.height -= line.height;
-        cleanUpLine(line);
-        signalLater(cm, line, "delete");
-      }
-      this.lines.splice(at, n);
-    },
-    collapse: function(lines) {
-      lines.splice.apply(lines, [lines.length, 0].concat(this.lines));
-    },
-    insertHeight: function(at, lines, height) {
-      this.height += height;
-      this.lines = this.lines.slice(0, at).concat(lines).concat(this.lines.slice(at));
-      for (var i = 0, e = lines.length; i < e; ++i) lines[i].parent = this;
-    },
-    iterN: function(at, n, op) {
-      for (var e = at + n; at < e; ++at)
-        if (op(this.lines[at])) return true;
-    }
-  };
-
-  function BranchChunk(children) {
-    this.children = children;
-    var size = 0, height = 0;
-    for (var i = 0, e = children.length; i < e; ++i) {
-      var ch = children[i];
-      size += ch.chunkSize(); height += ch.height;
-      ch.parent = this;
-    }
-    this.size = size;
-    this.height = height;
-    this.parent = null;
-  }
-
-  BranchChunk.prototype = {
-    chunkSize: function() { return this.size; },
-    remove: function(at, n, callbacks) {
-      this.size -= n;
-      for (var i = 0; i < this.children.length; ++i) {
-        var child = this.children[i], sz = child.chunkSize();
-        if (at < sz) {
-          var rm = Math.min(n, sz - at), oldHeight = child.height;
-          child.remove(at, rm, callbacks);
-          this.height -= oldHeight - child.height;
-          if (sz == rm) { this.children.splice(i--, 1); child.parent = null; }
-          if ((n -= rm) == 0) break;
-          at = 0;
-        } else at -= sz;
-      }
-      if (this.size - n < 25) {
-        var lines = [];
-        this.collapse(lines);
-        this.children = [new LeafChunk(lines)];
-        this.children[0].parent = this;
-      }
-    },
-    collapse: function(lines) {
-      for (var i = 0, e = this.children.length; i < e; ++i) this.children[i].collapse(lines);
-    },
-    insert: function(at, lines) {
-      var height = 0;
-      for (var i = 0, e = lines.length; i < e; ++i) height += lines[i].height;
-      this.insertHeight(at, lines, height);
-    },
-    insertHeight: function(at, lines, height) {
-      this.size += lines.length;
-      this.height += height;
-      for (var i = 0, e = this.children.length; i < e; ++i) {
-        var child = this.children[i], sz = child.chunkSize();
-        if (at <= sz) {
-          child.insertHeight(at, lines, height);
-          if (child.lines && child.lines.length > 50) {
-            while (child.lines.length > 50) {
-              var spilled = child.lines.splice(child.lines.length - 25, 25);
-              var newleaf = new LeafChunk(spilled);
-              child.height -= newleaf.height;
-              this.children.splice(i + 1, 0, newleaf);
-              newleaf.parent = this;
-            }
-            this.maybeSpill();
-          }
-          break;
-        }
-        at -= sz;
-      }
-    },
-    maybeSpill: function() {
-      if (this.children.length <= 10) return;
-      var me = this;
-      do {
-        var spilled = me.children.splice(me.children.length - 5, 5);
-        var sibling = new BranchChunk(spilled);
-        if (!me.parent) { // Become the parent node
-          var copy = new BranchChunk(me.children);
-          copy.parent = me;
-          me.children = [copy, sibling];
-          me = copy;
-        } else {
-          me.size -= sibling.size;
-          me.height -= sibling.height;
-          var myIndex = indexOf(me.parent.children, me);
-          me.parent.children.splice(myIndex + 1, 0, sibling);
-        }
-        sibling.parent = me.parent;
-      } while (me.children.length > 10);
-      me.parent.maybeSpill();
-    },
-    iter: function(from, to, op) { this.iterN(from, to - from, op); },
-    iterN: function(at, n, op) {
-      for (var i = 0, e = this.children.length; i < e; ++i) {
-        var child = this.children[i], sz = child.chunkSize();
-        if (at < sz) {
-          var used = Math.min(n, sz - at);
-          if (child.iterN(at, used, op)) return true;
-          if ((n -= used) == 0) break;
-          at = 0;
-        } else at -= sz;
-      }
-    }
-  };
-
-  // LINE UTILITIES
-
-  function getLine(chunk, n) {
-    while (!chunk.lines) {
-      for (var i = 0;; ++i) {
-        var child = chunk.children[i], sz = child.chunkSize();
-        if (n < sz) { chunk = child; break; }
-        n -= sz;
-      }
-    }
-    return chunk.lines[n];
-  }
-
-  function updateLineHeight(line, height) {
-    var diff = height - line.height;
-    for (var n = line; n; n = n.parent) n.height += diff;
-  }
-
-  function lineNo(line) {
-    if (line.parent == null) return null;
-    var cur = line.parent, no = indexOf(cur.lines, line);
-    for (var chunk = cur.parent; chunk; cur = chunk, chunk = chunk.parent) {
-      for (var i = 0;; ++i) {
-        if (chunk.children[i] == cur) break;
-        no += chunk.children[i].chunkSize();
-      }
-    }
-    return no;
-  }
-
-  function lineAtHeight(chunk, h) {
-    var n = 0;
-    outer: do {
-      for (var i = 0, e = chunk.children.length; i < e; ++i) {
-        var child = chunk.children[i], ch = child.height;
-        if (h < ch) { chunk = child; continue outer; }
-        h -= ch;
-        n += child.chunkSize();
-      }
-      return n;
-    } while (!chunk.lines);
-    for (var i = 0, e = chunk.lines.length; i < e; ++i) {
-      var line = chunk.lines[i], lh = line.height;
-      if (h < lh) break;
-      h -= lh;
-    }
-    return n + i;
-  }
-
-  function heightAtLine(cm, lineObj) {
-    lineObj = visualLine(cm.view.doc, lineObj);
-
-    var h = 0, chunk = lineObj.parent;
-    for (var i = 0; i < chunk.lines.length; ++i) {
-      var line = chunk.lines[i];
-      if (line == lineObj) break;
-      else h += line.height;
-    }
-    for (var p = chunk.parent; p; chunk = p, p = chunk.parent) {
-      for (var i = 0; i < p.children.length; ++i) {
-        var cur = p.children[i];
-        if (cur == chunk) break;
-        else h += cur.height;
-      }
-    }
-    return h;
-  }
-
-  function getOrder(line) {
-    var order = line.order;
-    if (order == null) order = line.order = bidiOrdering(line.text);
-    return order;
-  }
-
-  // HISTORY
-
-  function makeHistory() {
-    return {
-      // Arrays of history events. Doing something adds an event to
-      // done and clears undo. Undoing moves events from done to
-      // undone, redoing moves them in the other direction.
-      done: [], undone: [],
-      // Used to track when changes can be merged into a single undo
-      // event
-      lastTime: 0, lastOp: null, lastOrigin: null,
-      // Used by the isClean() method
-      dirtyCounter: 0
-    };
-  }
-
-  function addChange(cm, start, added, old, origin, fromBefore, toBefore, fromAfter, toAfter) {
-    var history = cm.view.history;
-    history.undone.length = 0;
-    var time = +new Date, cur = lst(history.done);
-    
-    if (cur &&
-        (history.lastOp == cm.curOp.id ||
-         history.lastOrigin == origin && (origin == "input" || origin == "delete") &&
-         history.lastTime > time - 600)) {
-      // Merge this change into the last event
-      var last = lst(cur.events);
-      if (last.start > start + old.length || last.start + last.added < start) {
-        // Doesn't intersect with last sub-event, add new sub-event
-        cur.events.push({start: start, added: added, old: old});
-      } else {
-        // Patch up the last sub-event
-        var startBefore = Math.max(0, last.start - start),
-        endAfter = Math.max(0, (start + old.length) - (last.start + last.added));
-        for (var i = startBefore; i > 0; --i) last.old.unshift(old[i - 1]);
-        for (var i = endAfter; i > 0; --i) last.old.push(old[old.length - i]);
-        if (startBefore) last.start = start;
-        last.added += added - (old.length - startBefore - endAfter);
-      }
-      cur.fromAfter = fromAfter; cur.toAfter = toAfter;
-    } else {
-      // Can not be merged, start a new event.
-      cur = {events: [{start: start, added: added, old: old}],
-             fromBefore: fromBefore, toBefore: toBefore, fromAfter: fromAfter, toAfter: toAfter};
-      history.done.push(cur);
-      while (history.done.length > cm.options.undoDepth)
-        history.done.shift();
-      if (history.dirtyCounter < 0)
-          // The user has made a change after undoing past the last clean state. 
-          // We can never get back to a clean state now until markClean() is called.
-          history.dirtyCounter = NaN;
-      else
-        history.dirtyCounter++;
-    }
-    history.lastTime = time;
-    history.lastOp = cm.curOp.id;
-    history.lastOrigin = origin;
-  }
-
-  // EVENT OPERATORS
-
-  function stopMethod() {e_stop(this);}
-  // Ensure an event has a stop method.
-  function addStop(event) {
-    if (!event.stop) event.stop = stopMethod;
-    return event;
-  }
-
-  function e_preventDefault(e) {
-    if (e.preventDefault) e.preventDefault();
-    else e.returnValue = false;
-  }
-  function e_stopPropagation(e) {
-    if (e.stopPropagation) e.stopPropagation();
-    else e.cancelBubble = true;
-  }
-  function e_stop(e) {e_preventDefault(e); e_stopPropagation(e);}
-  CodeMirror.e_stop = e_stop;
-  CodeMirror.e_preventDefault = e_preventDefault;
-  CodeMirror.e_stopPropagation = e_stopPropagation;
-
-  function e_target(e) {return e.target || e.srcElement;}
-  function e_button(e) {
-    var b = e.which;
-    if (b == null) {
-      if (e.button & 1) b = 1;
-      else if (e.button & 2) b = 3;
-      else if (e.button & 4) b = 2;
-    }
-    if (mac && e.ctrlKey && b == 1) b = 3;
-    return b;
-  }
-
-  // Allow 3rd-party code to override event properties by adding an override
-  // object to an event object.
-  function e_prop(e, prop) {
-    var overridden = e.override && e.override.hasOwnProperty(prop);
-    return overridden ? e.override[prop] : e[prop];
-  }
-
-  // EVENT HANDLING
-
-  function on(emitter, type, f) {
-    if (emitter.addEventListener)
-      emitter.addEventListener(type, f, false);
-    else if (emitter.attachEvent)
-      emitter.attachEvent("on" + type, f);
-    else {
-      var map = emitter._handlers || (emitter._handlers = {});
-      var arr = map[type] || (map[type] = []);
-      arr.push(f);
-    }
-  }
-
-  function off(emitter, type, f) {
-    if (emitter.removeEventListener)
-      emitter.removeEventListener(type, f, false);
-    else if (emitter.detachEvent)
-      emitter.detachEvent("on" + type, f);
-    else {
-      var arr = emitter._handlers && emitter._handlers[type];
-      if (!arr) return;
-      for (var i = 0; i < arr.length; ++i)
-        if (arr[i] == f) { arr.splice(i, 1); break; }
-    }
-  }
-
-  function signal(emitter, type /*, values...*/) {
-    var arr = emitter._handlers && emitter._handlers[type];
-    if (!arr) return;
-    var args = Array.prototype.slice.call(arguments, 2);
-    for (var i = 0; i < arr.length; ++i) arr[i].apply(null, args);
-  }
-
-  function signalLater(cm, emitter, type /*, values...*/) {
-    var arr = emitter._handlers && emitter._handlers[type];
-    if (!arr) return;
-    var args = Array.prototype.slice.call(arguments, 3), flist = cm.curOp && cm.curOp.delayedCallbacks;
-    function bnd(f) {return function(){f.apply(null, args);};};
-    for (var i = 0; i < arr.length; ++i)
-      if (flist) flist.push(bnd(arr[i]));
-      else arr[i].apply(null, args);
-  }
-
-  function hasHandler(emitter, type) {
-    var arr = emitter._handlers && emitter._handlers[type];
-    return arr && arr.length > 0;
-  }
-
-  CodeMirror.on = on; CodeMirror.off = off; CodeMirror.signal = signal;
-
-  // MISC UTILITIES
-
-  // Number of pixels added to scroller and sizer to hide scrollbar
-  var scrollerCutOff = 30;
-
-  // Returned or thrown by various protocols to signal 'I'm not
-  // handling this'.
-  var Pass = CodeMirror.Pass = {toString: function(){return "CodeMirror.Pass";}};
-
-  function Delayed() {this.id = null;}
-  Delayed.prototype = {set: function(ms, f) {clearTimeout(this.id); this.id = setTimeout(f, ms);}};
-
-  // Counts the column offset in a string, taking tabs into account.
-  // Used mostly to find indentation.
-  function countColumn(string, end, tabSize) {
-    if (end == null) {
-      end = string.search(/[^\s\u00a0]/);
-      if (end == -1) end = string.length;
-    }
-    for (var i = 0, n = 0; i < end; ++i) {
-      if (string.charAt(i) == "\t") n += tabSize - (n % tabSize);
-      else ++n;
-    }
-    return n;
-  }
-  CodeMirror.countColumn = countColumn;
-
-  var spaceStrs = [""];
-  function spaceStr(n) {
-    while (spaceStrs.length <= n)
-      spaceStrs.push(lst(spaceStrs) + " ");
-    return spaceStrs[n];
-  }
-
-  function lst(arr) { return arr[arr.length-1]; }
-
-  function selectInput(node) {
-    if (ios) { // Mobile Safari apparently has a bug where select() is broken.
-      node.selectionStart = 0;
-      node.selectionEnd = node.value.length;
-    } else node.select();
-  }
-
-  function indexOf(collection, elt) {
-    if (collection.indexOf) return collection.indexOf(elt);
-    for (var i = 0, e = collection.length; i < e; ++i)
-      if (collection[i] == elt) return i;
-    return -1;
-  }
-
-  function emptyArray(size) {
-    for (var a = [], i = 0; i < size; ++i) a.push(undefined);
-    return a;
-  }
-
-  function bind(f) {
-    var args = Array.prototype.slice.call(arguments, 1);
-    return function(){return f.apply(null, args);};
-  }
-
-  var nonASCIISingleCaseWordChar = /[\u3040-\u309f\u30a0-\u30ff\u3400-\u4db5\u4e00-\u9fcc]/;
-  function isWordChar(ch) {
-    return /\w/.test(ch) || ch > "\x80" &&
-      (ch.toUpperCase() != ch.toLowerCase() || nonASCIISingleCaseWordChar.test(ch));
-  }
-
-  function isEmpty(obj) {
-    var c = 0;
-    for (var n in obj) if (obj.hasOwnProperty(n) && obj[n]) ++c;
-    return !c;
-  }
-
-  var isExtendingChar = /[\u0300-\u036F\u0483-\u0487\u0488-\u0489\u0591-\u05BD\u05BF\u05C1-\u05C2\u05C4-\u05C5\u05C7\u0610-\u061A\u064B-\u065F\u0670\u06D6-\u06DC\u06DF-\u06E4\u06E7-\u06E8\u06EA-\u06ED\uA66F\uA670-\uA672\uA674-\uA67D\uA69F]/;
-
-  // DOM UTILITIES
-
-  function elt(tag, content, className, style) {
-    var e = document.createElement(tag);
-    if (className) e.className = className;
-    if (style) e.style.cssText = style;
-    if (typeof content == "string") setTextContent(e, content);
-    else if (content) for (var i = 0; i < content.length; ++i) e.appendChild(content[i]);
-    return e;
-  }
-
-  function removeChildren(e) {
-    e.innerHTML = "";
-    return e;
-  }
-
-  function removeChildrenAndAdd(parent, e) {
-    return removeChildren(parent).appendChild(e);
-  }
-
-  function setTextContent(e, str) {
-    if (ie_lt9) {
-      e.innerHTML = "";
-      e.appendChild(document.createTextNode(str));
-    } else e.textContent = str;
-  }
-
-  // FEATURE DETECTION
-
-  // Detect drag-and-drop
-  var dragAndDrop = function() {
-    // There is *some* kind of drag-and-drop support in IE6-8, but I
-    // couldn't get it to work yet.
-    if (ie_lt9) return false;
-    var div = elt('div');
-    return "draggable" in div || "dragDrop" in div;
-  }();
-
-  // For a reason I have yet to figure out, some browsers disallow
-  // word wrapping between certain characters *only* if a new inline
-  // element is started between them. This makes it hard to reliably
-  // measure the position of things, since that requires inserting an
-  // extra span. This terribly fragile set of regexps matches the
-  // character combinations that suffer from this phenomenon on the
-  // various browsers.
-  var spanAffectsWrapping = /^$/; // Won't match any two-character string
-  if (gecko) spanAffectsWrapping = /$'/;
-  else if (safari) spanAffectsWrapping = /\-[^ \-?]|\?[^ !'\"\),.\-\/:;\?\]\}]/;
-  else if (chrome) spanAffectsWrapping = /\-[^ \-\.?]|\?[^ \-\.?\]\}:;!'\"\),\/]|[\.!\"#&%\)*+,:;=>\]|\}~][\(\{\[<]|\$'/;
-
-  var knownScrollbarWidth;
-  function scrollbarWidth(measure) {
-    if (knownScrollbarWidth != null) return knownScrollbarWidth;
-    var test = elt("div", null, null, "width: 50px; height: 50px; overflow-x: scroll");
-    removeChildrenAndAdd(measure, test);
-    if (test.offsetWidth)
-      knownScrollbarWidth = test.offsetHeight - test.clientHeight;
-    return knownScrollbarWidth || 0;
-  }
-
-  var zwspSupported;
-  function zeroWidthElement(measure) {
-    if (zwspSupported == null) {
-      var test = elt("span", "\u200b");
-      removeChildrenAndAdd(measure, elt("span", [test, document.createTextNode("x")]));
-      if (measure.firstChild.offsetHeight != 0)
-        zwspSupported = test.offsetWidth <= 1 && test.offsetHeight > 2 && !ie_lt8;
-    }
-    if (zwspSupported) return elt("span", "\u200b");
-    else return elt("span", "\u00a0", null, "display: inline-block; width: 1px; margin-right: -1px");
-  }
-
-  // See if "".split is the broken IE version, if so, provide an
-  // alternative way to split lines.
-  var splitLines = "\n\nb".split(/\n/).length != 3 ? function(string) {
-    var pos = 0, result = [], l = string.length;
-    while (pos <= l) {
-      var nl = string.indexOf("\n", pos);
-      if (nl == -1) nl = string.length;
-      var line = string.slice(pos, string.charAt(nl - 1) == "\r" ? nl - 1 : nl);
-      var rt = line.indexOf("\r");
-      if (rt != -1) {
-        result.push(line.slice(0, rt));
-        pos += rt + 1;
-      } else {
-        result.push(line);
-        pos = nl + 1;
-      }
-    }
-    return result;
-  } : function(string){return string.split(/\r\n?|\n/);};
-  CodeMirror.splitLines = splitLines;
-
-  var hasSelection = window.getSelection ? function(te) {
-    try { return te.selectionStart != te.selectionEnd; }
-    catch(e) { return false; }
-  } : function(te) {
-    try {var range = te.ownerDocument.selection.createRange();}
-    catch(e) {}
-    if (!range || range.parentElement() != te) return false;
-    return range.compareEndPoints("StartToEnd", range) != 0;
-  };
-
-  var hasCopyEvent = (function() {
-    var e = elt("div");
-    if ("oncopy" in e) return true;
-    e.setAttribute("oncopy", "return;");
-    return typeof e.oncopy == 'function';
-  })();
-
-  // KEY NAMING
-
-  var keyNames = {3: "Enter", 8: "Backspace", 9: "Tab", 13: "Enter", 16: "Shift", 17: "Ctrl", 18: "Alt",
-                  19: "Pause", 20: "CapsLock", 27: "Esc", 32: "Space", 33: "PageUp", 34: "PageDown", 35: "End",
-                  36: "Home", 37: "Left", 38: "Up", 39: "Right", 40: "Down", 44: "PrintScrn", 45: "Insert",
-                  46: "Delete", 59: ";", 91: "Mod", 92: "Mod", 93: "Mod", 109: "-", 107: "=", 127: "Delete",
-                  186: ";", 187: "=", 188: ",", 189: "-", 190: ".", 191: "/", 192: "`", 219: "[", 220: "\\",
-                  221: "]", 222: "'", 63276: "PageUp", 63277: "PageDown", 63275: "End", 63273: "Home",
-                  63234: "Left", 63232: "Up", 63235: "Right", 63233: "Down", 63302: "Insert", 63272: "Delete"};
-  CodeMirror.keyNames = keyNames;
-  (function() {
-    // Number keys
-    for (var i = 0; i < 10; i++) keyNames[i + 48] = String(i);
-    // Alphabetic keys
-    for (var i = 65; i <= 90; i++) keyNames[i] = String.fromCharCode(i);
-    // Function keys
-    for (var i = 1; i <= 12; i++) keyNames[i + 111] = keyNames[i + 63235] = "F" + i;
-  })();
-
-  // BIDI HELPERS
-
-  function iterateBidiSections(order, from, to, f) {
-    if (!order) return f(from, to, "ltr");
-    for (var i = 0; i < order.length; ++i) {
-      var part = order[i];
-      if (part.from < to && part.to > from)
-        f(Math.max(part.from, from), Math.min(part.to, to), part.level == 1 ? "rtl" : "ltr");
-    }
-  }
-
-  function bidiLeft(part) { return part.level % 2 ? part.to : part.from; }
-  function bidiRight(part) { return part.level % 2 ? part.from : part.to; }
-
-  function lineLeft(line) { var order = getOrder(line); return order ? bidiLeft(order[0]) : 0; }
-  function lineRight(line) {
-    var order = getOrder(line);
-    if (!order) return line.text.length;
-    return bidiRight(lst(order));
-  }
-
-  function lineStart(cm, lineN) {
-    var line = getLine(cm.view.doc, lineN);
-    var visual = visualLine(cm.view.doc, line);
-    if (visual != line) lineN = lineNo(visual);
-    var order = getOrder(visual);
-    var ch = !order ? 0 : order[0].level % 2 ? lineRight(visual) : lineLeft(visual);
-    return {line: lineN, ch: ch};
-  }
-  function lineEnd(cm, lineNo) {
-    var merged, line;
-    while (merged = collapsedSpanAtEnd(line = getLine(cm.view.doc, lineNo)))
-      lineNo = merged.find().to.line;
-    var order = getOrder(line);
-    var ch = !order ? line.text.length : order[0].level % 2 ? lineLeft(line) : lineRight(line);
-    return {line: lineNo, ch: ch};
-  }
-
-  // This is somewhat involved. It is needed in order to move
-  // 'visually' through bi-directional text -- i.e., pressing left
-  // should make the cursor go left, even when in RTL text. The
-  // tricky part is the 'jumps', where RTL and LTR text touch each
-  // other. This often requires the cursor offset to move more than
-  // one unit, in order to visually move one unit.
-  function moveVisually(line, start, dir, byUnit) {
-    var bidi = getOrder(line);
-    if (!bidi) return moveLogically(line, start, dir, byUnit);
-    var moveOneUnit = byUnit ? function(pos, dir) {
-      do pos += dir;
-      while (pos > 0 && isExtendingChar.test(line.text.charAt(pos)));
-      return pos;
-    } : function(pos, dir) { return pos + dir; };
-    var linedir = bidi[0].level;
-    for (var i = 0; i < bidi.length; ++i) {
-      var part = bidi[i], sticky = part.level % 2 == linedir;
-      if ((part.from < start && part.to > start) ||
-          (sticky && (part.from == start || part.to == start))) break;
-    }
-    var target = moveOneUnit(start, part.level % 2 ? -dir : dir);
-
-    while (target != null) {
-      if (part.level % 2 == linedir) {
-        if (target < part.from || target > part.to) {
-          part = bidi[i += dir];
-          target = part && (dir > 0 == part.level % 2 ? moveOneUnit(part.to, -1) : moveOneUnit(part.from, 1));
-        } else break;
-      } else {
-        if (target == bidiLeft(part)) {
-          part = bidi[--i];
-          target = part && bidiRight(part);
-        } else if (target == bidiRight(part)) {
-          part = bidi[++i];
-          target = part && bidiLeft(part);
-        } else break;
-      }
-    }
-
-    return target < 0 || target > line.text.length ? null : target;
-  }
-
-  function moveLogically(line, start, dir, byUnit) {
-    var target = start + dir;
-    if (byUnit) while (target > 0 && isExtendingChar.test(line.text.charAt(target))) target += dir;
-    return target < 0 || target > line.text.length ? null : target;
-  }
-
-  // Bidirectional ordering algorithm
-  // See http://unicode.org/reports/tr9/tr9-13.html for the algorithm
-  // that this (partially) implements.
-
-  // One-char codes used for character types:
-  // L (L):   Left-to-Right
-  // R (R):   Right-to-Left
-  // r (AL):  Right-to-Left Arabic
-  // 1 (EN):  European Number
-  // + (ES):  European Number Separator
-  // % (ET):  European Number Terminator
-  // n (AN):  Arabic Number
-  // , (CS):  Common Number Separator
-  // m (NSM): Non-Spacing Mark
-  // b (BN):  Boundary Neutral
-  // s (B):   Paragraph Separator
-  // t (S):   Segment Separator
-  // w (WS):  Whitespace
-  // N (ON):  Other Neutrals
-
-  // Returns null if characters are ordered as they appear
-  // (left-to-right), or an array of sections ({from, to, level}
-  // objects) in the order in which they occur visually.
-  var bidiOrdering = (function() {
-    // Character types for codepoints 0 to 0xff
-    var lowTypes = "bbbbbbbbbtstwsbbbbbbbbbbbbbbssstwNN%%%NNNNNN,N,N1111111111NNNNNNNLLLLLLLLLLLLLLLLLLLLLLLLLLNNNNNNLLLLLLLLLLLLLLLLLLLLLLLLLLNNNNbbbbbbsbbbbbbbbbbbbbbbbbbbbbbbbbb,N%%%%NNNNLNNNNN%%11NLNNN1LNNNNNLLLLLLLLLLLLLLLLLLLLLLLNLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLNLLLLLLLL";
-    // Character types for codepoints 0x600 to 0x6ff
-    var arabicTypes = "rrrrrrrrrrrr,rNNmmmmmmrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrmmmmmmmmmmmmmmrrrrrrrnnnnnnnnnn%nnrrrmrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrmmmmmmmmmmmmmmmmmmmNmmmmrrrrrrrrrrrrrrrrrr";
-    function charType(code) {
-      if (code <= 0xff) return lowTypes.charAt(code);
-      else if (0x590 <= code && code <= 0x5f4) return "R";
-      else if (0x600 <= code && code <= 0x6ff) return arabicTypes.charAt(code - 0x600);
-      else if (0x700 <= code && code <= 0x8ac) return "r";
-      else return "L";
-    }
-
-    var bidiRE = /[\u0590-\u05f4\u0600-\u06ff\u0700-\u08ac]/;
-    var isNeutral = /[stwN]/, isStrong = /[LRr]/, countsAsLeft = /[Lb1n]/, countsAsNum = /[1n]/;
-
-    return function charOrdering(str) {
-      if (!bidiRE.test(str)) return false;
-      var len = str.length, types = [], startType = null;
-      for (var i = 0, type; i < len; ++i) {
-        types.push(type = charType(str.charCodeAt(i)));
-        if (startType == null) {
-          if (type == "L") startType = "L";
-          else if (type == "R" || type == "r") startType = "R";
-        }
-      }
-      if (startType == null) startType = "L";
-
-      // W1. Examine each non-spacing mark (NSM) in the level run, and
-      // change the type of the NSM to the type of the previous
-      // character. If the NSM is at the start of the level run, it will
-      // get the type of sor.
-      for (var i = 0, prev = startType; i < len; ++i) {
-        var type = types[i];
-        if (type == "m") types[i] = prev;
-        else prev = type;
-      }
-
-      // W2. Search backwards from each instance of a European number
-      // until the first strong type (R, L, AL, or sor) is found. If an
-      // AL is found, change the type of the European number to Arabic
-      // number.
-      // W3. Change all ALs to R.
-      for (var i = 0, cur = startType; i < len; ++i) {
-        var type = types[i];
-        if (type == "1" && cur == "r") types[i] = "n";
-        else if (isStrong.test(type)) { cur = type; if (type == "r") types[i] = "R"; }
-      }
-
-      // W4. A single European separator between two European numbers
-      // changes to a European number. A single common separator between
-      // two numbers of the same type changes to that type.
-      for (var i = 1, prev = types[0]; i < len - 1; ++i) {
-        var type = types[i];
-        if (type == "+" && prev == "1" && types[i+1] == "1") types[i] = "1";
-        else if (type == "," && prev == types[i+1] &&
-                 (prev == "1" || prev == "n")) types[i] = prev;
-        prev = type;
-      }
-
-      // W5. A sequence of European terminators adjacent to European
-      // numbers changes to all European numbers.
-      // W6. Otherwise, separators and terminators change to Other
-      // Neutral.
-      for (var i = 0; i < len; ++i) {
-        var type = types[i];
-        if (type == ",") types[i] = "N";
-        else if (type == "%") {
-          for (var end = i + 1; end < len && types[end] == "%"; ++end) {}
-          var replace = (i && types[i-1] == "!") || (end < len - 1 && types[end] == "1") ? "1" : "N";
-          for (var j = i; j < end; ++j) types[j] = replace;
-          i = end - 1;
-        }
-      }
-
-      // W7. Search backwards from each instance of a European number
-      // until the first strong type (R, L, or sor) is found. If an L is
-      // found, then change the type of the European number to L.
-      for (var i = 0, cur = startType; i < len; ++i) {
-        var type = types[i];
-        if (cur == "L" && type == "1") types[i] = "L";
-        else if (isStrong.test(type)) cur = type;
-      }
-
-      // N1. A sequence of neutrals takes the direction of the
-      // surrounding strong text if the text on both sides has the same
-      // direction. European and Arabic numbers act as if they were R in
-      // terms of their influence on neutrals. Start-of-level-run (sor)
-      // and end-of-level-run (eor) are used at level run boundaries.
-      // N2. Any remaining neutrals take the embedding direction.
-      for (var i = 0; i < len; ++i) {
-        if (isNeutral.test(types[i])) {
-          for (var end = i + 1; end < len && isNeutral.test(types[end]); ++end) {}
-          var before = (i ? types[i-1] : startType) == "L";
-          var after = (end < len - 1 ? types[end] : startType) == "L";
-          var replace = before || after ? "L" : "R";
-          for (var j = i; j < end; ++j) types[j] = replace;
-          i = end - 1;
-        }
-      }
-
-      // Here we depart from the documented algorithm, in order to avoid
-      // building up an actual levels array. Since there are only three
-      // levels (0, 1, 2) in an implementation that doesn't take
-      // explicit embedding into account, we can build up the order on
-      // the fly, without following the level-based algorithm.
-      var order = [], m;
-      for (var i = 0; i < len;) {
-        if (countsAsLeft.test(types[i])) {
-          var start = i;
-          for (++i; i < len && countsAsLeft.test(types[i]); ++i) {}
-          order.push({from: start, to: i, level: 0});
-        } else {
-          var pos = i, at = order.length;
-          for (++i; i < len && types[i] != "L"; ++i) {}
-          for (var j = pos; j < i;) {
-            if (countsAsNum.test(types[j])) {
-              if (pos < j) order.splice(at, 0, {from: pos, to: j, level: 1});
-              var nstart = j;
-              for (++j; j < i && countsAsNum.test(types[j]); ++j) {}
-              order.splice(at, 0, {from: nstart, to: j, level: 2});
-              pos = j;
-            } else ++j;
-          }
-          if (pos < i) order.splice(at, 0, {from: pos, to: i, level: 1});
-        }
-      }
-      if (order[0].level == 1 && (m = str.match(/^\s+/))) {
-        order[0].from = m[0].length;
-        order.unshift({from: 0, to: m[0].length, level: 0});
-      }
-      if (lst(order).level == 1 && (m = str.match(/\s+$/))) {
-        lst(order).to -= m[0].length;
-        order.push({from: len - m[0].length, to: len, level: 0});
-      }
-      if (order[0].level != lst(order).level)
-        order.push({from: len, to: len, level: order[0].level});
-
-      return order;
-    };
-  })();
-
-  // THE END
-
-  CodeMirror.version = "3.0";
-
-  return CodeMirror;
-})();
diff -r 1adce93fea0f -r 08ffdc3938e7 launcher/src/main/resources/org/apidesign/bck2brwsr/dew/js/codemirror/mode/clike.js
--- a/launcher/src/main/resources/org/apidesign/bck2brwsr/dew/js/codemirror/mode/clike.js	Wed Jan 23 12:53:23 2013 +0100
+++ /dev/null	Thu Jan 01 00:00:00 1970 +0000
@@ -1,300 +0,0 @@
-CodeMirror.defineMode("clike", function(config, parserConfig) {
-  var indentUnit = config.indentUnit,
-      statementIndentUnit = parserConfig.statementIndentUnit || indentUnit,
-      keywords = parserConfig.keywords || {},
-      builtin = parserConfig.builtin || {},
-      blockKeywords = parserConfig.blockKeywords || {},
-      atoms = parserConfig.atoms || {},
-      hooks = parserConfig.hooks || {},
-      multiLineStrings = parserConfig.multiLineStrings;
-  var isOperatorChar = /[+\-*&%=<>!?|\/]/;
-
-  var curPunc;
-
-  function tokenBase(stream, state) {
-    var ch = stream.next();
-    if (hooks[ch]) {
-      var result = hooks[ch](stream, state);
-      if (result !== false) return result;
-    }
-    if (ch == '"' || ch == "'") {
-      state.tokenize = tokenString(ch);
-      return state.tokenize(stream, state);
-    }
-    if (/[\[\]{}\(\),;\:\.]/.test(ch)) {
-      curPunc = ch;
-      return null;
-    }
-    if (/\d/.test(ch)) {
-      stream.eatWhile(/[\w\.]/);
-      return "number";
-    }
-    if (ch == "/") {
-      if (stream.eat("*")) {
-        state.tokenize = tokenComment;
-        return tokenComment(stream, state);
-      }
-      if (stream.eat("/")) {
-        stream.skipToEnd();
-        return "comment";
-      }
-    }
-    if (isOperatorChar.test(ch)) {
-      stream.eatWhile(isOperatorChar);
-      return "operator";
-    }
-    stream.eatWhile(/[\w\$_]/);
-    var cur = stream.current();
-    if (keywords.propertyIsEnumerable(cur)) {
-      if (blockKeywords.propertyIsEnumerable(cur)) curPunc = "newstatement";
-      return "keyword";
-    }
-    if (builtin.propertyIsEnumerable(cur)) {
-      if (blockKeywords.propertyIsEnumerable(cur)) curPunc = "newstatement";
-      return "builtin";
-    }
-    if (atoms.propertyIsEnumerable(cur)) return "atom";
-    return "variable";
-  }
-
-  function tokenString(quote) {
-    return function(stream, state) {
-      var escaped = false, next, end = false;
-      while ((next = stream.next()) != null) {
-        if (next == quote && !escaped) {end = true; break;}
-        escaped = !escaped && next == "\\";
-      }
-      if (end || !(escaped || multiLineStrings))
-        state.tokenize = null;
-      return "string";
-    };
-  }
-
-  function tokenComment(stream, state) {
-    var maybeEnd = false, ch;
-    while (ch = stream.next()) {
-      if (ch == "/" && maybeEnd) {
-        state.tokenize = null;
-        break;
-      }
-      maybeEnd = (ch == "*");
-    }
-    return "comment";
-  }
-
-  function Context(indented, column, type, align, prev) {
-    this.indented = indented;
-    this.column = column;
-    this.type = type;
-    this.align = align;
-    this.prev = prev;
-  }
-  function pushContext(state, col, type) {
-    var indent = state.indented;
-    if (state.context && state.context.type == "statement")
-      indent = state.context.indented;
-    return state.context = new Context(indent, col, type, null, state.context);
-  }
-  function popContext(state) {
-    var t = state.context.type;
-    if (t == ")" || t == "]" || t == "}")
-      state.indented = state.context.indented;
-    return state.context = state.context.prev;
-  }
-
-  // Interface
-
-  return {
-    startState: function(basecolumn) {
-      return {
-        tokenize: null,
-        context: new Context((basecolumn || 0) - indentUnit, 0, "top", false),
-        indented: 0,
-        startOfLine: true
-      };
-    },
-
-    token: function(stream, state) {
-      var ctx = state.context;
-      if (stream.sol()) {
-        if (ctx.align == null) ctx.align = false;
-        state.indented = stream.indentation();
-        state.startOfLine = true;
-      }
-      if (stream.eatSpace()) return null;
-      curPunc = null;
-      var style = (state.tokenize || tokenBase)(stream, state);
-      if (style == "comment" || style == "meta") return style;
-      if (ctx.align == null) ctx.align = true;
-
-      if ((curPunc == ";" || curPunc == ":" || curPunc == ",") && ctx.type == "statement") popContext(state);
-      else if (curPunc == "{") pushContext(state, stream.column(), "}");
-      else if (curPunc == "[") pushContext(state, stream.column(), "]");
-      else if (curPunc == "(") pushContext(state, stream.column(), ")");
-      else if (curPunc == "}") {
-        while (ctx.type == "statement") ctx = popContext(state);
-        if (ctx.type == "}") ctx = popContext(state);
-        while (ctx.type == "statement") ctx = popContext(state);
-      }
-      else if (curPunc == ctx.type) popContext(state);
-      else if (((ctx.type == "}" || ctx.type == "top") && curPunc != ';') || (ctx.type == "statement" && curPunc == "newstatement"))
-        pushContext(state, stream.column(), "statement");
-      state.startOfLine = false;
-      return style;
-    },
-
-    indent: function(state, textAfter) {
-      if (state.tokenize != tokenBase && state.tokenize != null) return CodeMirror.Pass;
-      var ctx = state.context, firstChar = textAfter && textAfter.charAt(0);
-      if (ctx.type == "statement" && firstChar == "}") ctx = ctx.prev;
-      var closing = firstChar == ctx.type;
-      if (ctx.type == "statement") return ctx.indented + (firstChar == "{" ? 0 : statementIndentUnit);
-      else if (ctx.align) return ctx.column + (closing ? 0 : 1);
-      else return ctx.indented + (closing ? 0 : indentUnit);
-    },
-
-    electricChars: "{}"
-  };
-});
-
-(function() {
-  function words(str) {
-    var obj = {}, words = str.split(" ");
-    for (var i = 0; i < words.length; ++i) obj[words[i]] = true;
-    return obj;
-  }
-  var cKeywords = "auto if break int case long char register continue return default short do sizeof " +
-    "double static else struct entry switch extern typedef float union for unsigned " +
-    "goto while enum void const signed volatile";
-
-  function cppHook(stream, state) {
-    if (!state.startOfLine) return false;
-    for (;;) {
-      if (stream.skipTo("\\")) {
-        stream.next();
-        if (stream.eol()) {
-          state.tokenize = cppHook;
-          break;
-        }
-      } else {
-        stream.skipToEnd();
-        state.tokenize = null;
-        break;
-      }
-    }
-    return "meta";
-  }
-
-  // C#-style strings where "" escapes a quote.
-  function tokenAtString(stream, state) {
-    var next;
-    while ((next = stream.next()) != null) {
-      if (next == '"' && !stream.eat('"')) {
-        state.tokenize = null;
-        break;
-      }
-    }
-    return "string";
-  }
-
-  function mimes(ms, mode) {
-    for (var i = 0; i < ms.length; ++i) CodeMirror.defineMIME(ms[i], mode);
-  }
-
-  mimes(["text/x-csrc", "text/x-c", "text/x-chdr"], {
-    name: "clike",
-    keywords: words(cKeywords),
-    blockKeywords: words("case do else for if switch while struct"),
-    atoms: words("null"),
-    hooks: {"#": cppHook}
-  });
-  mimes(["text/x-c++src", "text/x-c++hdr"], {
-    name: "clike",
-    keywords: words(cKeywords + " asm dynamic_cast namespace reinterpret_cast try bool explicit new " +
-                    "static_cast typeid catch operator template typename class friend private " +
-                    "this using const_cast inline public throw virtual delete mutable protected " +
-                    "wchar_t"),
-    blockKeywords: words("catch class do else finally for if struct switch try while"),
-    atoms: words("true false null"),
-    hooks: {"#": cppHook}
-  });
-  CodeMirror.defineMIME("text/x-java", {
-    name: "clike",
-    keywords: words("abstract assert boolean break byte case catch char class const continue default " + 
-                    "do double else enum extends final finally float for goto if implements import " +
-                    "instanceof int interface long native new package private protected public " +
-                    "return short static strictfp super switch synchronized this throw throws transient " +
-                    "try void volatile while"),
-    blockKeywords: words("catch class do else finally for if switch try while"),
-    atoms: words("true false null"),
-    hooks: {
-      "@": function(stream) {
-        stream.eatWhile(/[\w\$_]/);
-        return "meta";
-      }
-    }
-  });
-  CodeMirror.defineMIME("text/x-csharp", {
-    name: "clike",
-    keywords: words("abstract as base break case catch checked class const continue" + 
-                    " default delegate do else enum event explicit extern finally fixed for" + 
-                    " foreach goto if implicit in interface internal is lock namespace new" + 
-                    " operator out override params private protected public readonly ref return sealed" + 
-                    " sizeof stackalloc static struct switch this throw try typeof unchecked" + 
-                    " unsafe using virtual void volatile while add alias ascending descending dynamic from get" + 
-                    " global group into join let orderby partial remove select set value var yield"),
-    blockKeywords: words("catch class do else finally for foreach if struct switch try while"),
-    builtin: words("Boolean Byte Char DateTime DateTimeOffset Decimal Double" +
-                    " Guid Int16 Int32 Int64 Object SByte Single String TimeSpan UInt16 UInt32" +
-                    " UInt64 bool byte char decimal double short int long object"  +
-                    " sbyte float string ushort uint ulong"),
-    atoms: words("true false null"),
-    hooks: {
-      "@": function(stream, state) {
-        if (stream.eat('"')) {
-          state.tokenize = tokenAtString;
-          return tokenAtString(stream, state);
-        }
-        stream.eatWhile(/[\w\$_]/);
-        return "meta";
-      }
-    }
-  });
-  CodeMirror.defineMIME("text/x-scala", {
-    name: "clike",
-    keywords: words(
-      
-      /* scala */
-      "abstract case catch class def do else extends false final finally for forSome if " +
-      "implicit import lazy match new null object override package private protected return " +
-      "sealed super this throw trait try trye type val var while with yield _ : = => <- <: " +
-      "<% >: # @ " +
-                    
-      /* package scala */
-      "assert assume require print println printf readLine readBoolean readByte readShort " +
-      "readChar readInt readLong readFloat readDouble " +
-      
-      "AnyVal App Application Array BufferedIterator BigDecimal BigInt Char Console Either " +
-      "Enumeration Equiv Error Exception Fractional Function IndexedSeq Integral Iterable " +
-      "Iterator List Map Numeric Nil NotNull Option Ordered Ordering PartialFunction PartialOrdering " +
-      "Product Proxy Range Responder Seq Serializable Set Specializable Stream StringBuilder " +
-      "StringContext Symbol Throwable Traversable TraversableOnce Tuple Unit Vector :: #:: " +
-      
-      /* package java.lang */            
-      "Boolean Byte Character CharSequence Class ClassLoader Cloneable Comparable " +
-      "Compiler Double Exception Float Integer Long Math Number Object Package Pair Process " +
-      "Runtime Runnable SecurityManager Short StackTraceElement StrictMath String " +
-      "StringBuffer System Thread ThreadGroup ThreadLocal Throwable Triple Void"
-      
-      
-    ),
-    blockKeywords: words("catch class do else finally for forSome if match switch try while"),
-    atoms: words("true false null"),
-    hooks: {
-      "@": function(stream) {
-        stream.eatWhile(/[\w\$_]/);
-        return "meta";
-      }
-    }
-  });
-}());
diff -r 1adce93fea0f -r 08ffdc3938e7 launcher/src/main/resources/org/apidesign/bck2brwsr/dew/js/codemirror/mode/xml.js
--- a/launcher/src/main/resources/org/apidesign/bck2brwsr/dew/js/codemirror/mode/xml.js	Wed Jan 23 12:53:23 2013 +0100
+++ /dev/null	Thu Jan 01 00:00:00 1970 +0000
@@ -1,324 +0,0 @@
-CodeMirror.defineMode("xml", function(config, parserConfig) {
-  var indentUnit = config.indentUnit;
-  var Kludges = parserConfig.htmlMode ? {
-    autoSelfClosers: {'area': true, 'base': true, 'br': true, 'col': true, 'command': true,
-                      'embed': true, 'frame': true, 'hr': true, 'img': true, 'input': true,
-                      'keygen': true, 'link': true, 'meta': true, 'param': true, 'source': true,
-                      'track': true, 'wbr': true},
-    implicitlyClosed: {'dd': true, 'li': true, 'optgroup': true, 'option': true, 'p': true,
-                       'rp': true, 'rt': true, 'tbody': true, 'td': true, 'tfoot': true,
-                       'th': true, 'tr': true},
-    contextGrabbers: {
-      'dd': {'dd': true, 'dt': true},
-      'dt': {'dd': true, 'dt': true},
-      'li': {'li': true},
-      'option': {'option': true, 'optgroup': true},
-      'optgroup': {'optgroup': true},
-      'p': {'address': true, 'article': true, 'aside': true, 'blockquote': true, 'dir': true,
-            'div': true, 'dl': true, 'fieldset': true, 'footer': true, 'form': true,
-            'h1': true, 'h2': true, 'h3': true, 'h4': true, 'h5': true, 'h6': true,
-            'header': true, 'hgroup': true, 'hr': true, 'menu': true, 'nav': true, 'ol': true,
-            'p': true, 'pre': true, 'section': true, 'table': true, 'ul': true},
-      'rp': {'rp': true, 'rt': true},
-      'rt': {'rp': true, 'rt': true},
-      'tbody': {'tbody': true, 'tfoot': true},
-      'td': {'td': true, 'th': true},
-      'tfoot': {'tbody': true},
-      'th': {'td': true, 'th': true},
-      'thead': {'tbody': true, 'tfoot': true},
-      'tr': {'tr': true}
-    },
-    doNotIndent: {"pre": true},
-    allowUnquoted: true,
-    allowMissing: true
-  } : {
-    autoSelfClosers: {},
-    implicitlyClosed: {},
-    contextGrabbers: {},
-    doNotIndent: {},
-    allowUnquoted: false,
-    allowMissing: false
-  };
-  var alignCDATA = parserConfig.alignCDATA;
-
-  // Return variables for tokenizers
-  var tagName, type;
-
-  function inText(stream, state) {
-    function chain(parser) {
-      state.tokenize = parser;
-      return parser(stream, state);
-    }
-
-    var ch = stream.next();
-    if (ch == "<") {
-      if (stream.eat("!")) {
-        if (stream.eat("[")) {
-          if (stream.match("CDATA[")) return chain(inBlock("atom", "]]>"));
-          else return null;
-        }
-        else if (stream.match("--")) return chain(inBlock("comment", "-->"));
-        else if (stream.match("DOCTYPE", true, true)) {
-          stream.eatWhile(/[\w\._\-]/);
-          return chain(doctype(1));
-        }
-        else return null;
-      }
-      else if (stream.eat("?")) {
-        stream.eatWhile(/[\w\._\-]/);
-        state.tokenize = inBlock("meta", "?>");
-        return "meta";
-      }
-      else {
-        var isClose = stream.eat("/");
-        tagName = "";
-        var c;
-        while ((c = stream.eat(/[^\s\u00a0=<>\"\'\/?]/))) tagName += c;
-        if (!tagName) return "error";
-        type = isClose ? "closeTag" : "openTag";
-        state.tokenize = inTag;
-        return "tag";
-      }
-    }
-    else if (ch == "&") {
-      var ok;
-      if (stream.eat("#")) {
-        if (stream.eat("x")) {
-          ok = stream.eatWhile(/[a-fA-F\d]/) && stream.eat(";");          
-        } else {
-          ok = stream.eatWhile(/[\d]/) && stream.eat(";");
-        }
-      } else {
-        ok = stream.eatWhile(/[\w\.\-:]/) && stream.eat(";");
-      }
-      return ok ? "atom" : "error";
-    }
-    else {
-      stream.eatWhile(/[^&<]/);
-      return null;
-    }
-  }
-
-  function inTag(stream, state) {
-    var ch = stream.next();
-    if (ch == ">" || (ch == "/" && stream.eat(">"))) {
-      state.tokenize = inText;
-      type = ch == ">" ? "endTag" : "selfcloseTag";
-      return "tag";
-    }
-    else if (ch == "=") {
-      type = "equals";
-      return null;
-    }
-    else if (/[\'\"]/.test(ch)) {
-      state.tokenize = inAttribute(ch);
-      return state.tokenize(stream, state);
-    }
-    else {
-      stream.eatWhile(/[^\s\u00a0=<>\"\']/);
-      return "word";
-    }
-  }
-
-  function inAttribute(quote) {
-    return function(stream, state) {
-      while (!stream.eol()) {
-        if (stream.next() == quote) {
-          state.tokenize = inTag;
-          break;
-        }
-      }
-      return "string";
-    };
-  }
-
-  function inBlock(style, terminator) {
-    return function(stream, state) {
-      while (!stream.eol()) {
-        if (stream.match(terminator)) {
-          state.tokenize = inText;
-          break;
-        }
-        stream.next();
-      }
-      return style;
-    };
-  }
-  function doctype(depth) {
-    return function(stream, state) {
-      var ch;
-      while ((ch = stream.next()) != null) {
-        if (ch == "<") {
-          state.tokenize = doctype(depth + 1);
-          return state.tokenize(stream, state);
-        } else if (ch == ">") {
-          if (depth == 1) {
-            state.tokenize = inText;
-            break;
-          } else {
-            state.tokenize = doctype(depth - 1);
-            return state.tokenize(stream, state);
-          }
-        }
-      }
-      return "meta";
-    };
-  }
-
-  var curState, setStyle;
-  function pass() {
-    for (var i = arguments.length - 1; i >= 0; i--) curState.cc.push(arguments[i]);
-  }
-  function cont() {
-    pass.apply(null, arguments);
-    return true;
-  }
-
-  function pushContext(tagName, startOfLine) {
-    var noIndent = Kludges.doNotIndent.hasOwnProperty(tagName) || (curState.context && curState.context.noIndent);
-    curState.context = {
-      prev: curState.context,
-      tagName: tagName,
-      indent: curState.indented,
-      startOfLine: startOfLine,
-      noIndent: noIndent
-    };
-  }
-  function popContext() {
-    if (curState.context) curState.context = curState.context.prev;
-  }
-
-  function element(type) {
-    if (type == "openTag") {
-      curState.tagName = tagName;
-      return cont(attributes, endtag(curState.startOfLine));
-    } else if (type == "closeTag") {
-      var err = false;
-      if (curState.context) {
-        if (curState.context.tagName != tagName) {
-          if (Kludges.implicitlyClosed.hasOwnProperty(curState.context.tagName.toLowerCase())) {
-            popContext();
-          }
-          err = !curState.context || curState.context.tagName != tagName;
-        }
-      } else {
-        err = true;
-      }
-      if (err) setStyle = "error";
-      return cont(endclosetag(err));
-    }
-    return cont();
-  }
-  function endtag(startOfLine) {
-    return function(type) {
-      var tagName = curState.tagName;
-      curState.tagName = null;
-      if (type == "selfcloseTag" ||
-          (type == "endTag" && Kludges.autoSelfClosers.hasOwnProperty(tagName.toLowerCase()))) {
-        maybePopContext(tagName.toLowerCase());
-        return cont();
-      }
-      if (type == "endTag") {
-        maybePopContext(tagName.toLowerCase());
-        pushContext(tagName, startOfLine);
-        return cont();
-      }
-      return cont();
-    };
-  }
-  function endclosetag(err) {
-    return function(type) {
-      if (err) setStyle = "error";
-      if (type == "endTag") { popContext(); return cont(); }
-      setStyle = "error";
-      return cont(arguments.callee);
-    };
-  }
-  function maybePopContext(nextTagName) {
-    var parentTagName;
-    while (true) {
-      if (!curState.context) {
-        return;
-      }
-      parentTagName = curState.context.tagName.toLowerCase();
-      if (!Kludges.contextGrabbers.hasOwnProperty(parentTagName) ||
-          !Kludges.contextGrabbers[parentTagName].hasOwnProperty(nextTagName)) {
-        return;
-      }
-      popContext();
-    }
-  }
-
-  function attributes(type) {
-    if (type == "word") {setStyle = "attribute"; return cont(attribute, attributes);}
-    if (type == "endTag" || type == "selfcloseTag") return pass();
-    setStyle = "error";
-    return cont(attributes);
-  }
-  function attribute(type) {
-    if (type == "equals") return cont(attvalue, attributes);
-    if (!Kludges.allowMissing) setStyle = "error";
-    else if (type == "word") setStyle = "attribute";
-    return (type == "endTag" || type == "selfcloseTag") ? pass() : cont();
-  }
-  function attvalue(type) {
-    if (type == "string") return cont(attvaluemaybe);
-    if (type == "word" && Kludges.allowUnquoted) {setStyle = "string"; return cont();}
-    setStyle = "error";
-    return (type == "endTag" || type == "selfCloseTag") ? pass() : cont();
-  }
-  function attvaluemaybe(type) {
-    if (type == "string") return cont(attvaluemaybe);
-    else return pass();
-  }
-
-  return {
-    startState: function() {
-      return {tokenize: inText, cc: [], indented: 0, startOfLine: true, tagName: null, context: null};
-    },
-
-    token: function(stream, state) {
-      if (stream.sol()) {
-        state.startOfLine = true;
-        state.indented = stream.indentation();
-      }
-      if (stream.eatSpace()) return null;
-
-      setStyle = type = tagName = null;
-      var style = state.tokenize(stream, state);
-      state.type = type;
-      if ((style || type) && style != "comment") {
-        curState = state;
-        while (true) {
-          var comb = state.cc.pop() || element;
-          if (comb(type || style)) break;
-        }
-      }
-      state.startOfLine = false;
-      return setStyle || style;
-    },
-
-    indent: function(state, textAfter, fullLine) {
-      var context = state.context;
-      if ((state.tokenize != inTag && state.tokenize != inText) ||
-          context && context.noIndent)
-        return fullLine ? fullLine.match(/^(\s*)/)[0].length : 0;
-      if (alignCDATA && /<!\[CDATA\[/.test(textAfter)) return 0;
-      if (context && /^<\//.test(textAfter))
-        context = context.prev;
-      while (context && !context.startOfLine)
-        context = context.prev;
-      if (context) return context.indent + indentUnit;
-      else return 0;
-    },
-
-    electricChars: "/",
-
-    configuration: parserConfig.htmlMode ? "html" : "xml"
-  };
-});
-
-CodeMirror.defineMIME("text/xml", "xml");
-CodeMirror.defineMIME("application/xml", "xml");
-if (!CodeMirror.mimeModes.hasOwnProperty("text/html"))
-  CodeMirror.defineMIME("text/html", {name: "xml", htmlMode: true});
diff -r 1adce93fea0f -r 08ffdc3938e7 launcher/src/main/resources/org/apidesign/bck2brwsr/dew/js/codemirror/theme/elegant.css
--- a/launcher/src/main/resources/org/apidesign/bck2brwsr/dew/js/codemirror/theme/elegant.css	Wed Jan 23 12:53:23 2013 +0100
+++ /dev/null	Thu Jan 01 00:00:00 1970 +0000
@@ -1,10 +0,0 @@
-.cm-s-elegant span.cm-number, .cm-s-elegant span.cm-string, .cm-s-elegant span.cm-atom {color: #762;}
-.cm-s-elegant span.cm-comment {color: #262; font-style: italic; line-height: 1em;}
-.cm-s-elegant span.cm-meta {color: #555; font-style: italic; line-height: 1em;}
-.cm-s-elegant span.cm-variable {color: black;}
-.cm-s-elegant span.cm-variable-2 {color: #b11;}
-.cm-s-elegant span.cm-qualifier {color: #555;}
-.cm-s-elegant span.cm-keyword {color: #730;}
-.cm-s-elegant span.cm-builtin {color: #30a;}
-.cm-s-elegant span.cm-error {background-color: #fdd;}
-.cm-s-elegant span.cm-link {color: #762;}
diff -r 1adce93fea0f -r 08ffdc3938e7 launcher/src/test/java/org/apidesign/bck2brwsr/dew/CompileTest.java
--- a/launcher/src/test/java/org/apidesign/bck2brwsr/dew/CompileTest.java	Wed Jan 23 12:53:23 2013 +0100
+++ /dev/null	Thu Jan 01 00:00:00 1970 +0000
@@ -1,45 +0,0 @@
-/**
- * Back 2 Browser Bytecode Translator
- * Copyright (C) 2012 Jaroslav Tulach <jaroslav.tulach@apidesign.org>
- *
- * This program is free software: you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation, version 2 of the License.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program. Look for COPYING file in the top folder.
- * If not, see http://opensource.org/licenses/GPL-2.0.
- */
-package org.apidesign.bck2brwsr.dew;
-
-import java.io.IOException;
-import static org.testng.Assert.*;
-import org.testng.annotations.Test;
-
-/**
- *
- * @author Jaroslav Tulach <jtulach@netbeans.org>
- */
-public class CompileTest  {
-    @Test public void testCompile() throws IOException {
-        String html = "<html><body>"
-                + " <button id='btn'>Hello!</button>"
-                + "</body></html>";
-        String java = "package x.y.z;"
-                + "import org.apidesign.bck2brwsr.htmlpage.api.*;"
-                + "import static org.apidesign.bck2brwsr.htmlpage.api.OnEvent.*;"
-            + "@Page(xhtml=\"index.html\", className=\"Index\")"
-            + "class X { "
-            + "   @On(event=CLICK, id=\"btn\") static void clcs() {}"
-            + "}";
-        Compile result = Compile.create(html, java);
-
-        assertNotNull(result.get("x/y/z/X.class"), "Class X is compiled: " + result);
-        assertNotNull(result.get("x/y/z/Index.class"), "Class Index is compiled: " + result);
-    }
-}
diff -r 1adce93fea0f -r 08ffdc3938e7 pom.xml
--- a/pom.xml	Wed Jan 23 12:53:23 2013 +0100
+++ b/pom.xml	Wed Jan 23 13:18:46 2013 +0100
@@ -10,6 +10,7 @@
     <module>vm</module>
     <module>emul</module>
     <module>core</module>
+    <module>dew</module>
     <module>mojo</module>
     <module>javaquery</module>
     <module>javap</module>
@@ -74,7 +75,7 @@
                        <exclude>*</exclude>
                        <exclude>.*/**</exclude>
                        <exclude>mojo/src/main/resources/archetype-resources/**</exclude>
-                       <exclude>launcher/src/main/resources/org/apidesign/bck2brwsr/dew/**</exclude>
+                       <exclude>dew/src/main/resources/org/apidesign/bck2brwsr/dew/**</exclude>
                        <exclude>vmtest/src/test/resources/**</exclude>
                        <exclude>javaquery/api/src/main/resources/org/apidesign/bck2brwsr/htmlpage/knockout*.js</exclude>
                   </excludes>