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: false
} : {
  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 {
      type = stream.eat("/") ? "closeTag" : "openTag";
      stream.eatSpace();
      tagName = "";
      var c;
      while ((c = stream.eat(/[^\s\u00a0=<>\"\'\/?]/))) tagName += c;
      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) {
    if (type == "selfcloseTag" ||
        (type == "endTag" && Kludges.autoSelfClosers.hasOwnProperty(curState.tagName.toLowerCase()))) {
      maybePopContext(curState.tagName.toLowerCase());
      return cont();
    }
    if (type == "endTag") {
      maybePopContext(curState.tagName.toLowerCase());
      pushContext(curState.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";
  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;
  },

  compareStates: function(a, b) {
    if (a.indented != b.indented || a.tokenize != b.tokenize) return false;
    for (var ca = a.context, cb = b.context; ; ca = ca.prev, cb = cb.prev) {
      if (!ca || !cb) return ca == cb;
      if (ca.tagName != cb.tagName) return false;
    }
  },

  electricChars: "/"
};

});

CodeMirror.defineMIME(“application/xml”, “xml”); if (!CodeMirror.mimeModes.hasOwnProperty(“text/html”))

CodeMirror.defineMIME("text/html", {name: "xml", htmlMode: true});