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});