diff -r 48f01cef55c2 -r a0d8b5ab79a2 launcher/src/main/java/org/apidesign/bck2brwsr/launcher/Bck2BrwsrLauncher.java
--- a/launcher/src/main/java/org/apidesign/bck2brwsr/launcher/Bck2BrwsrLauncher.java	Tue Jan 22 17:53:05 2013 +0100
+++ b/launcher/src/main/java/org/apidesign/bck2brwsr/launcher/Bck2BrwsrLauncher.java	Tue Jan 22 19:16:38 2013 +0100
@@ -55,7 +55,7 @@
  */
 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);
+    private static final MethodInvocation END = new MethodInvocation(null, null, null);
     private Set<ClassLoader> loaders = new LinkedHashSet<>();
     private BlockingQueue<MethodInvocation> methods = new LinkedBlockingQueue<>();
     private long timeOut;
@@ -70,9 +70,9 @@
     }
     
     @Override
-    public MethodInvocation addMethod(Class<?> clazz, String method) throws IOException {
+     MethodInvocation addMethod(Class<?> clazz, String method, String html) throws IOException {
         loaders.add(clazz.getClassLoader());
-        MethodInvocation c = new MethodInvocation(clazz.getName(), method);
+        MethodInvocation c = new MethodInvocation(clazz.getName(), method, html);
         methods.add(c);
         try {
             c.await(timeOut);
@@ -174,7 +174,13 @@
                     + "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");
@@ -182,6 +188,22 @@
         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);
@@ -348,7 +370,7 @@
         public Page(Res res, String resource, String... args) {
             this.res = res;
             this.resource = resource;
-            this.args = args;
+            this.args = args.length == 0 ? new String[] { "$0" } : args;
         }
 
         @Override