Remove core plugins from core repository

1 files changed, 0 insertions, 1915 deletions

diff --git a/plugins/LocalFilesEditor/codemirror/lib/codemirror.js b/plugins/LocalFilesEditor/codemirror/lib/codemirror.js
deleted file mode 100644
index 390e68c1f..000000000
--- a/plugins/LocalFilesEditor/codemirror/lib/codemirror.js
+++ /dev/null
@@ -1,1915 +0,0 @@
-// All functions that need access to the editor's state live inside
-// the CodeMirror function. Below that, at the bottom of the file,
-// some utilities are defined.
-
-// CodeMirror is the only global var we claim
-var CodeMirror = (function() {
-  // This is the function that produces an editor instance. It's
-  // closure is used to store the editor state.
-  function CodeMirror(place, givenOptions) {
-    // Determine effective options based on given values and defaults.
-    var options = {}, defaults = CodeMirror.defaults;
-    for (var opt in defaults)
-      if (defaults.hasOwnProperty(opt))
-        options[opt] = (givenOptions && givenOptions.hasOwnProperty(opt) ? givenOptions : defaults)[opt];
-
-    // The element in which the editor lives. Takes care of scrolling
-    // (if enabled).
-    var wrapper = document.createElement("div");
-    wrapper.className = "CodeMirror";
-    // This mess creates the base DOM structure for the editor.
-    wrapper.innerHTML =
-      '<div style="position: relative">' + // Set to the height of the text, causes scrolling
-        '<pre style="position: relative; height: 0; visibility: hidden; overflow: hidden;">' + // To measure line/char size
-           '<span>xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx</span></pre>' +
-        '<div style="position: relative">' + // Moved around its parent to cover visible view
-          '<div class="CodeMirror-gutter"><div class="CodeMirror-gutter-text"></div></div>' +
-          '<div style="overflow: hidden; position: absolute; width: 0; left: 0">' + // Wraps and hides input textarea
-            '<textarea style="height: 1px; position: absolute; width: 1px;" wrap="off"></textarea></div>' +
-          // Provides positioning relative to (visible) text origin
-          '<div class="CodeMirror-lines"><div style="position: relative">' +
-            '<pre class="CodeMirror-cursor">&#160;</pre>' + // Absolutely positioned blinky cursor
-            '<div></div></div></div></div></div>'; // This DIV contains the actual code
-    if (place.appendChild) place.appendChild(wrapper); else place(wrapper);
-    // I've never seen more elegant code in my life.
-    var code = wrapper.firstChild, measure = code.firstChild, mover = measure.nextSibling,
-        gutter = mover.firstChild, gutterText = gutter.firstChild,
-        inputDiv = gutter.nextSibling, input = inputDiv.firstChild,
-        lineSpace = inputDiv.nextSibling.firstChild, cursor = lineSpace.firstChild, lineDiv = cursor.nextSibling;
-    if (options.tabindex != null) input.tabindex = options.tabindex;
-    if (!options.gutter && !options.lineNumbers) gutter.style.display = "none";
-
-    // Delayed object wrap timeouts, making sure only one is active. blinker holds an interval.
-    var poll = new Delayed(), highlight = new Delayed(), blinker;
-
-    // mode holds a mode API object. lines an array of Line objects
-    // (see Line constructor), work an array of lines that should be
-    // parsed, and history the undo history (instance of History
-    // constructor).
-    var mode, lines = [new Line("")], work, history = new History(), focused;
-    loadMode();
-    // The selection. These are always maintained to point at valid
-    // positions. Inverted is used to remember that the user is
-    // selecting bottom-to-top.
-    var sel = {from: {line: 0, ch: 0}, to: {line: 0, ch: 0}, inverted: false};
-    // Selection-related flags. shiftSelecting obviously tracks
-    // whether the user is holding shift. reducedSelection is a hack
-    // to get around the fact that we can't create inverted
-    // selections. See below.
-    var shiftSelecting, reducedSelection;
-    // Variables used by startOperation/endOperation to track what
-    // happened during the operation.
-    var updateInput, changes, textChanged, selectionChanged, leaveInputAlone;
-    // Current visible range (may be bigger than the view window).
-    var showingFrom = 0, showingTo = 0, lastHeight = 0, curKeyId = null;
-    // editing will hold an object describing the things we put in the
-    // textarea, to help figure out whether something changed.
-    // bracketHighlighted is used to remember that a backet has been
-    // marked.
-    var editing, bracketHighlighted;
-
-    // Initialize the content. Somewhat hacky (delayed prepareInput)
-    // to work around browser issues.
-    operation(function(){setValue(options.value || ""); updateInput = false;})();
-    setTimeout(prepareInput, 20);
-
-    // Register our event handlers.
-    connect(wrapper, "mousedown", operation(onMouseDown));
-    // 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) connect(wrapper, "contextmenu", operation(onContextMenu));
-    connect(code, "dblclick", operation(onDblClick));
-    connect(wrapper, "scroll", function() {updateDisplay([]); if (options.onScroll) options.onScroll(instance);});
-    connect(window, "resize", function() {updateDisplay(true);});
-    connect(input, "keyup", operation(onKeyUp));
-    connect(input, "keydown", operation(onKeyDown));
-    connect(input, "keypress", operation(onKeyPress));
-    connect(input, "focus", onFocus);
-    connect(input, "blur", onBlur);
-
-    connect(wrapper, "dragenter", function(e){e.stop();});
-    connect(wrapper, "dragover", function(e){e.stop();});
-    connect(wrapper, "drop", operation(onDrop));
-    connect(wrapper, "paste", function(){input.focus(); fastPoll();});
-    connect(input, "paste", function(){fastPoll();});
-    connect(input, "cut", function(){fastPoll();});
-
-    if (document.activeElement == input) onFocus();
-    else onBlur();
-
-    function isLine(l) {return l >= 0 && l < lines.length;}
-    // The instance object that we'll return. Mostly calls out to
-    // local functions in the CodeMirror function. Some do some extra
-    // range checking and/or clipping. operation is used to wrap the
-    // call so that changes it makes are tracked, and the display is
-    // updated afterwards.
-    var instance = {
-      getValue: getValue,
-      setValue: operation(setValue),
-      getSelection: getSelection,
-      replaceSelection: operation(replaceSelection),
-      focus: function(){input.focus(); onFocus(); fastPoll();},
-      setOption: function(option, value) {
-        options[option] = value;
-        if (option == "lineNumbers" || option == "gutter") gutterChanged();
-        else if (option == "mode" || option == "indentUnit") loadMode();
-      },
-      getOption: function(option) {return options[option];},
-      undo: operation(undo),
-      redo: operation(redo),
-      indentLine: operation(function(n) {if (isLine(n)) indentLine(n, "smart");}),
-      historySize: function() {return {undo: history.done.length, redo: history.undone.length};},
-      matchBrackets: operation(function(){matchBrackets(true);}),
-      getTokenAt: function(pos) {
-        pos = clipPos(pos);
-        return lines[pos.line].getTokenAt(mode, getStateBefore(pos.line), pos.ch);
-      },
-      cursorCoords: function(start){
-        if (start == null) start = sel.inverted;
-        return pageCoords(start ? sel.from : sel.to);
-      },
-      charCoords: function(pos){return pageCoords(clipPos(pos));},
-      coordsChar: function(coords) {
-        var off = eltOffset(lineSpace);
-        var line = Math.min(showingTo - 1, showingFrom + Math.floor(coords.y / lineHeight()));
-        return clipPos({line: line, ch: charFromX(clipLine(line), coords.x)});
-      },
-      getSearchCursor: function(query, pos, caseFold) {return new SearchCursor(query, pos, caseFold);},
-      markText: operation(function(a, b, c){return operation(markText(a, b, c));}),
-      setMarker: addGutterMarker,
-      clearMarker: removeGutterMarker,
-      setLineClass: operation(setLineClass),
-      lineInfo: lineInfo,
-      addWidget: function(pos, node, scroll) {
-        var pos = localCoords(clipPos(pos), true);
-        node.style.top = (showingFrom * lineHeight() + pos.yBot + paddingTop()) + "px";
-        node.style.left = (pos.x + paddingLeft()) + "px";
-        code.appendChild(node);
-        if (scroll)
-          scrollIntoView(pos.x, pos.yBot, pos.x + node.offsetWidth, pos.yBot + node.offsetHeight);
-      },
-
-      lineCount: function() {return lines.length;},
-      getCursor: function(start) {
-        if (start == null) start = sel.inverted;
-        return copyPos(start ? sel.from : sel.to);
-      },
-      somethingSelected: function() {return !posEq(sel.from, sel.to);},
-      setCursor: operation(function(line, ch) {
-        if (ch == null && typeof line.line == "number") setCursor(line.line, line.ch);
-        else setCursor(line, ch);
-      }),
-      setSelection: operation(function(from, to) {setSelection(clipPos(from), clipPos(to || from));}),
-      getLine: function(line) {if (isLine(line)) return lines[line].text;},
-      setLine: operation(function(line, text) {
-        if (isLine(line)) replaceRange(text, {line: line, ch: 0}, {line: line, ch: lines[line].text.length});
-      }),
-      removeLine: operation(function(line) {
-        if (isLine(line)) replaceRange("", {line: line, ch: 0}, clipPos({line: line+1, ch: 0}));
-      }),
-      replaceRange: operation(replaceRange),
-      getRange: function(from, to) {return getRange(clipPos(from), clipPos(to));},
-
-      operation: function(f){return operation(f)();},
-      refresh: function(){updateDisplay(true);},
-      getInputField: function(){return input;},
-      getWrapperElement: function(){return wrapper;}
-    };
-
-    function setValue(code) {
-      history = null;
-      var top = {line: 0, ch: 0};
-      updateLines(top, {line: lines.length - 1, ch: lines[lines.length-1].text.length},
-                  splitLines(code), top, top);
-      history = new History();
-    }
-    function getValue(code) {
-      var text = [];
-      for (var i = 0, l = lines.length; i < l; ++i)
-        text.push(lines[i].text);
-      return text.join("\n");
-    }
-
-    function onMouseDown(e) {
-      // First, see if this is a click in the gutter
-      for (var n = e.target(); n != wrapper; n = n.parentNode)
-        if (n.parentNode == gutterText) {
-          if (options.onGutterClick)
-            options.onGutterClick(instance, indexOf(gutterText.childNodes, n) + showingFrom);
-          return e.stop();
-        }
-
-      if (gecko && e.button() == 3) onContextMenu(e);
-      if (e.button() != 1) return;
-      // For button 1, if it was clicked inside the editor
-      // (posFromMouse returning non-null), we have to adjust the
-      // selection.
-      var start = posFromMouse(e), last = start, going;
-      if (!start) {if (e.target() == wrapper) e.stop(); return;}
-      setCursor(start.line, start.ch, false);
-
-      if (!focused) onFocus();
-      e.stop();
-      // And then we have to see if it's a drag event, in which case
-      // the dragged-over text must be selected.
-      function end() {
-        input.focus();
-        updateInput = true;
-        move(); up();
-      }
-      function extend(e) {
-        var cur = posFromMouse(e, true);
-        if (cur && !posEq(cur, last)) {
-          if (!focused) onFocus();
-          last = cur;
-          setSelection(start, cur);
-          updateInput = false;
-          var visible = visibleLines();
-          if (cur.line >= visible.to || cur.line < visible.from)
-            going = setTimeout(operation(function(){extend(e);}), 150);
-        }
-      }
-
-      var move = connect(document, "mousemove", operation(function(e) {
-        clearTimeout(going);
-        e.stop();
-        extend(e);
-      }), true);
-      var up = connect(document, "mouseup", operation(function(e) {
-        clearTimeout(going);
-        var cur = posFromMouse(e);
-        if (cur) setSelection(start, cur);
-        e.stop();
-        end();
-      }), true);
-    }
-    function onDblClick(e) {
-      var pos = posFromMouse(e);
-      if (!pos) return;
-      selectWordAt(pos);
-      e.stop();
-    }
-    function onDrop(e) {
-      var pos = posFromMouse(e, true), files = e.e.dataTransfer.files;
-      if (!pos || options.readOnly) return;
-      if (files && files.length && window.FileReader && window.File) {
-        var n = files.length, text = Array(n), read = 0;
-        for (var i = 0; i < n; ++i) loadFile(files[i], i);
-        function loadFile(file, i) {
-          var reader = new FileReader;
-          reader.onload = function() {
-            text[i] = reader.result;
-            if (++read == n) replaceRange(text.join(""), clipPos(pos), clipPos(pos));
-          };
-          reader.readAsText(file);
-        }
-      }
-      else {
-        try {
-          var text = e.e.dataTransfer.getData("Text");
-          if (text) replaceRange(text, pos, pos);
-        }
-        catch(e){}
-      }
-    }
-    function onKeyDown(e) {
-      if (!focused) onFocus();
-
-      var code = e.e.keyCode;
-      // Tries to detect ctrl on non-mac, cmd on mac.
-      var mod = (mac ? e.e.metaKey : e.e.ctrlKey) && !e.e.altKey, anyMod = e.e.ctrlKey || e.e.altKey || e.e.metaKey;
-      if (code == 16 || e.e.shiftKey) shiftSelecting = shiftSelecting || (sel.inverted ? sel.to : sel.from);
-      else shiftSelecting = null;
-      // First give onKeyEvent option a chance to handle this.
-      if (options.onKeyEvent && options.onKeyEvent(instance, addStop(e.e))) return;
-
-      if (code == 33 || code == 34) {scrollPage(code == 34); return e.stop();} // page up/down
-      if (mod && (code == 36 || code == 35)) {scrollEnd(code == 36); return e.stop();} // ctrl-home/end
-      if (mod && code == 65) {selectAll(); return e.stop();} // ctrl-a
-      if (!options.readOnly) {
-        if (!anyMod && code == 13) {return;} // enter
-        if (!anyMod && code == 9 && handleTab(e.e.shiftKey)) return e.stop(); // tab
-        if (mod && code == 90) {undo(); return e.stop();} // ctrl-z
-        if (mod && ((e.e.shiftKey && code == 90) || code == 89)) {redo(); return e.stop();} // ctrl-shift-z, ctrl-y
-      }
-
-      // Key id to use in the movementKeys map. We also pass it to
-      // fastPoll in order to 'self learn'. We need this because
-      // reducedSelection, the hack where we collapse the selection to
-      // its start when it is inverted and a movement key is pressed
-      // (and later restore it again), shouldn't be used for
-      // non-movement keys.
-      curKeyId = (mod ? "c" : "") + code;
-      if (sel.inverted && movementKeys.hasOwnProperty(curKeyId)) {
-        var range = selRange(input);
-        if (range) {
-          reducedSelection = {anchor: range.start};
-          setSelRange(input, range.start, range.start);
-        }
-      }
-      fastPoll(curKeyId);
-    }
-    function onKeyUp(e) {
-      if (reducedSelection) {
-        reducedSelection = null;
-        updateInput = true;
-      }
-      if (e.e.keyCode == 16) shiftSelecting = null;
-    }
-    function onKeyPress(e) {
-      if (options.onKeyEvent && options.onKeyEvent(instance, addStop(e.e))) return;
-      if (options.electricChars && mode.electricChars) {
-        var ch = String.fromCharCode(e.e.charCode == null ? e.e.keyCode : e.e.charCode);
-        if (mode.electricChars.indexOf(ch) > -1)
-          setTimeout(operation(function() {indentLine(sel.to.line, "smart");}), 50);
-      }
-      var code = e.e.keyCode;
-      // Re-stop tab and enter. Necessary on some browsers.
-      if (code == 13) {handleEnter(); e.stop();}
-      else if (code == 9 && options.tabMode != "default") e.stop();
-      else fastPoll(curKeyId);
-    }
-
-    function onFocus() {
-      if (!focused && options.onFocus) options.onFocus(instance);
-      focused = true;
-      slowPoll();
-      if (wrapper.className.search(/\bCodeMirror-focused\b/) == -1)
-        wrapper.className += " CodeMirror-focused";
-      restartBlink();
-    }
-    function onBlur() {
-      if (focused && options.onBlur) options.onBlur(instance);
-      clearInterval(blinker);
-      shiftSelecting = null;
-      focused = false;
-      wrapper.className = wrapper.className.replace(" CodeMirror-focused", "");
-    }
-
-    // Replace the range from from to to by the strings in newText.
-    // Afterwards, set the selection to selFrom, selTo.
-    function updateLines(from, to, newText, selFrom, selTo) {
-      if (history) {
-        var old = [];
-        for (var i = from.line, e = to.line + 1; i < e; ++i) old.push(lines[i].text);
-        history.addChange(from.line, newText.length, old);
-        while (history.done.length > options.undoDepth) history.done.shift();
-      }
-      updateLinesNoUndo(from, to, newText, selFrom, selTo);
-    }
-    function unredoHelper(from, to) {
-      var change = from.pop();
-      if (change) {
-        var replaced = [], end = change.start + change.added;
-        for (var i = change.start; i < end; ++i) replaced.push(lines[i].text);
-        to.push({start: change.start, added: change.old.length, old: replaced});
-        var pos = clipPos({line: change.start + change.old.length - 1,
-                           ch: editEnd(replaced[replaced.length-1], change.old[change.old.length-1])});
-        updateLinesNoUndo({line: change.start, ch: 0}, {line: end - 1, ch: lines[end-1].text.length}, change.old, pos, pos);
-      }
-    }
-    function undo() {unredoHelper(history.done, history.undone);}
-    function redo() {unredoHelper(history.undone, history.done);}
-
-    function updateLinesNoUndo(from, to, newText, selFrom, selTo) {
-      var nlines = to.line - from.line, firstLine = lines[from.line], lastLine = lines[to.line];
-      // First adjust the line structure, taking some care to leave highlighting intact.
-      if (firstLine == lastLine) {
-        if (newText.length == 1)
-          firstLine.replace(from.ch, to.ch, newText[0]);
-        else {
-          lastLine = firstLine.split(to.ch, newText[newText.length-1]);
-          var spliceargs = [from.line + 1, nlines];
-          firstLine.replace(from.ch, firstLine.text.length, newText[0]);
-          for (var i = 1, e = newText.length - 1; i < e; ++i) spliceargs.push(new Line(newText[i]));
-          spliceargs.push(lastLine);
-          lines.splice.apply(lines, spliceargs);
-        }
-      }
-      else if (newText.length == 1) {
-        firstLine.replace(from.ch, firstLine.text.length, newText[0] + lastLine.text.slice(to.ch));
-        lines.splice(from.line + 1, nlines);
-      }
-      else {
-        var spliceargs = [from.line + 1, nlines - 1];
-        firstLine.replace(from.ch, firstLine.text.length, newText[0]);
-        lastLine.replace(0, to.ch, newText[newText.length-1]);
-        for (var i = 1, e = newText.length - 1; i < e; ++i) spliceargs.push(new Line(newText[i]));
-        lines.splice.apply(lines, spliceargs);
-      }
-
-      // Add these lines to the work array, so that they will be
-      // highlighted. Adjust work lines if lines were added/removed.
-      var newWork = [], lendiff = newText.length - nlines - 1;
-      for (var i = 0, l = work.length; i < l; ++i) {
-        var task = work[i];
-        if (task < from.line) newWork.push(task);
-        else if (task > to.line) newWork.push(task + lendiff);
-      }
-      if (newText.length) newWork.push(from.line);
-      work = newWork;
-      startWorker(100);
-      // Remember that these lines changed, for updating the display
-      changes.push({from: from.line, to: to.line + 1, diff: lendiff});
-      textChanged = true;
-
-      // Update the selection
-      function updateLine(n) {return n <= Math.min(to.line, to.line + lendiff) ? n : n + lendiff;}
-      setSelection(selFrom, selTo, updateLine(sel.from.line), updateLine(sel.to.line));
-
-      // Make sure the scroll-size div has the correct height.
-      code.style.height = (lines.length * lineHeight() + 2 * paddingTop()) + "px";
-    }
-
-    function replaceRange(code, from, to) {
-      from = clipPos(from);
-      if (!to) to = from; else to = clipPos(to);
-      code = splitLines(code);
-      function adjustPos(pos) {
-        if (posLess(pos, from)) return pos;
-        if (!posLess(to, pos)) return end;
-        var line = pos.line + code.length - (to.line - from.line) - 1;
-        var ch = pos.ch;
-        if (pos.line == to.line)
-          ch += code[code.length-1].length - (to.ch - (to.line == from.line ? from.ch : 0));
-        return {line: line, ch: ch};
-      }
-      var end;
-      replaceRange1(code, from, to, function(end1) {
-        end = end1;
-        return {from: adjustPos(sel.from), to: adjustPos(sel.to)};
-      });
-      return end;
-    }
-    function replaceSelection(code, collapse) {
-      replaceRange1(splitLines(code), sel.from, sel.to, function(end) {
-        if (collapse == "end") return {from: end, to: end};
-        else if (collapse == "start") return {from: sel.from, to: sel.from};
-        else return {from: sel.from, to: end};
-      });
-    }
-    function replaceRange1(code, from, to, computeSel) {
-      var endch = code.length == 1 ? code[0].length + from.ch : code[code.length-1].length;
-      var newSel = computeSel({line: from.line + code.length - 1, ch: endch});
-      updateLines(from, to, code, newSel.from, newSel.to);
-    }
-
-    function getRange(from, to) {
-      var l1 = from.line, l2 = to.line;
-      if (l1 == l2) return lines[l1].text.slice(from.ch, to.ch);
-      var code = [lines[l1].text.slice(from.ch)];
-      for (var i = l1 + 1; i < l2; ++i) code.push(lines[i].text);
-      code.push(lines[l2].text.slice(0, to.ch));
-      return code.join("\n");
-    }
-    function getSelection() {
-      return getRange(sel.from, sel.to);
-    }
-
-    var pollingFast = false; // Ensures slowPoll doesn't cancel fastPoll
-    function slowPoll() {
-      if (pollingFast) return;
-      poll.set(2000, function() {
-        startOperation();
-        readInput();
-        if (focused) slowPoll();
-        endOperation();
-      });
-    }
-    function fastPoll(keyId) {
-      var missed = false;
-      pollingFast = true;
-      function p() {
-        startOperation();
-        var changed = readInput();
-        if (changed == "moved" && keyId) movementKeys[keyId] = true;
-        if (!changed && !missed) {missed = true; poll.set(80, p);}
-        else {pollingFast = false; slowPoll();}
-        endOperation();
-      }
-      poll.set(20, p);
-    }
-
-    // Inspects the textarea, compares its state (content, selection)
-    // to the data in the editing variable, and updates the editor
-    // content or cursor if something changed.
-    function readInput() {
-      var changed = false, text = input.value, sr = selRange(input);
-      if (!sr) return false;
-      var changed = editing.text != text, rs = reducedSelection;
-      var moved = changed || sr.start != editing.start || sr.end != (rs ? editing.start : editing.end);
-      if (reducedSelection && !moved && sel.from.line == 0 && sel.from.ch == 0)
-        reducedSelection = null;
-      else if (!moved) return false;
-      if (changed) {
-        shiftSelecting = reducedSelection = null;
-        if (options.readOnly) {updateInput = true; return "changed";}
-      }
-
-      // Compute selection start and end based on start/end offsets in textarea
-      function computeOffset(n, startLine) {
-        var pos = 0;
-        for (;;) {
-          var found = text.indexOf("\n", pos);
-          if (found == -1 || (text.charAt(found-1) == "\r" ? found - 1 : found) >= n)
-            return {line: startLine, ch: n - pos};
-          ++startLine;
-          pos = found + 1;
-        }
-      }
-      var from = computeOffset(sr.start, editing.from),
-          to = computeOffset(sr.end, editing.from);
-      // Here we have to take the reducedSelection hack into account,
-      // so that you can, for example, press shift-up at the start of
-      // your selection and have the right thing happen.
-      if (rs) {
-        from = sr.start == rs.anchor ? to : from;
-        to = shiftSelecting ? sel.to : sr.start == rs.anchor ? from : to;
-        if (!posLess(from, to)) {
-          reducedSelection = null;
-          sel.inverted = false;
-          var tmp = from; from = to; to = tmp;
-        }
-      }
-
-      // In some cases (cursor on same line as before), we don't have
-      // to update the textarea content at all.
-      if (from.line == to.line && from.line == sel.from.line && from.line == sel.to.line && !shiftSelecting)
-        updateInput = false;
-
-      // Magic mess to extract precise edited range from the changed
-      // string.
-      if (changed) {
-        var start = 0, end = text.length, len = Math.min(end, editing.text.length);
-        var c, line = editing.from, nl = -1;
-        while (start < len && (c = text.charAt(start)) == editing.text.charAt(start)) {
-          ++start;
-          if (c == "\n") {line++; nl = start;}
-        }
-        var ch = nl > -1 ? start - nl : start, endline = editing.to - 1, edend = editing.text.length;
-        for (;;) {
-          c = editing.text.charAt(edend);
-          if (c == "\n") endline--;
-          if (text.charAt(end) != c) {++end; ++edend; break;}
-          if (edend <= start || end <= start) break;
-          --end; --edend;
-        }
-        var nl = editing.text.lastIndexOf("\n", edend - 1), endch = nl == -1 ? edend : edend - nl - 1;
-        updateLines({line: line, ch: ch}, {line: endline, ch: endch}, splitLines(text.slice(start, end)), from, to);
-        if (line != endline || from.line != line) updateInput = true;
-      }
-      else setSelection(from, to);
-
-      editing.text = text; editing.start = sr.start; editing.end = sr.end;
-      return changed ? "changed" : moved ? "moved" : false;
-    }
-
-    // Set the textarea content and selection range to match the
-    // editor state.
-    function prepareInput() {
-      var text = [];
-      var from = Math.max(0, sel.from.line - 1), to = Math.min(lines.length, sel.to.line + 2);
-      for (var i = from; i < to; ++i) text.push(lines[i].text);
-      text = input.value = text.join(lineSep);
-      var startch = sel.from.ch, endch = sel.to.ch;
-      for (var i = from; i < sel.from.line; ++i)
-        startch += lineSep.length + lines[i].text.length;
-      for (var i = from; i < sel.to.line; ++i)
-        endch += lineSep.length + lines[i].text.length;
-      editing = {text: text, from: from, to: to, start: startch, end: endch};
-      setSelRange(input, startch, reducedSelection ? startch : endch);
-    }
-
-    function scrollCursorIntoView() {
-      var cursor = localCoords(sel.inverted ? sel.from : sel.to);
-      return scrollIntoView(cursor.x, cursor.y, cursor.x, cursor.yBot);
-    }
-    function scrollIntoView(x1, y1, x2, y2) {
-      var pl = paddingLeft(), pt = paddingTop();
-      y1 += pt; y2 += pt; x1 += pl; x2 += pl;
-      var screen = wrapper.clientHeight, screentop = wrapper.scrollTop, scrolled = false, result = true;
-      if (y1 < screentop) {wrapper.scrollTop = Math.max(0, y1 - 10); scrolled = true;}
-      else if (y2 > screentop + screen) {wrapper.scrollTop = y2 + 10 - screen; scrolled = true;}
-
-      var screenw = wrapper.clientWidth, screenleft = wrapper.scrollLeft;
-      if (x1 < screenleft) {wrapper.scrollLeft = Math.max(0, x1 - 10); scrolled = true;}
-      else if (x2 > screenw + screenleft) {
-        wrapper.scrollLeft = x2 + 10 - screenw;
-        scrolled = true;
-        if (x2 > code.clientWidth) result = false;
-      }
-      if (scrolled && options.onScroll) options.onScroll(instance);
-      return result;
-    }
-
-    function visibleLines() {
-      var lh = lineHeight(), top = wrapper.scrollTop - paddingTop();
-      return {from: Math.min(lines.length, Math.max(0, Math.floor(top / lh))),
-              to: Math.min(lines.length, Math.ceil((top + wrapper.clientHeight) / lh))};
-    }
-    // Uses a set of changes plus the current scroll position to
-    // determine which DOM updates have to be made, and makes the
-    // updates.
-    function updateDisplay(changes) {
-      if (!wrapper.clientWidth) {
-        showingFrom = showingTo = 0;
-        return;
-      }
-      // First create a range of theoretically intact lines, and punch
-      // holes in that using the change info.
-      var intact = changes === true ? [] : [{from: showingFrom, to: showingTo, domStart: 0}];
-      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)
-            intact2.push({from: range.from + diff, to: range.to + diff, domStart: range.domStart});
-          else if (range.to <= change.from)
-            intact2.push(range);
-          else {
-            if (change.from > range.from)
-              intact2.push({from: range.from, to: change.from, domStart: range.domStart})
-            if (change.to < range.to)
-              intact2.push({from: change.to + diff, to: range.to + diff,
-                            domStart: range.domStart + (change.to - range.from)});
-          }
-        }
-        intact = intact2;
-      }
-
-      // Then, determine which lines we'd want to see, and which
-      // updates have to be made to get there.
-      var visible = visibleLines();
-      var from = Math.min(showingFrom, Math.max(visible.from - 3, 0)),
-          to = Math.min(lines.length, Math.max(showingTo, visible.to + 3)),
-          updates = [], domPos = 0, domEnd = showingTo - showingFrom, pos = from, changedLines = 0;
-
-      for (var i = 0, l = intact.length; i < l; ++i) {
-        var range = intact[i];
-        if (range.to <= from) continue;
-        if (range.from >= to) break;
-        if (range.domStart > domPos || range.from > pos) {
-          updates.push({from: pos, to: range.from, domSize: range.domStart - domPos, domStart: domPos});
-          changedLines += range.from - pos;
-        }
-        pos = range.to;
-        domPos = range.domStart + (range.to - range.from);
-      }
-      if (domPos != domEnd || pos != to) {
-        changedLines += Math.abs(to - pos);
-        updates.push({from: pos, to: to, domSize: domEnd - domPos, domStart: domPos});
-      }
-
-      if (!updates.length) return;
-      lineDiv.style.display = "none";
-      // If more than 30% of the screen needs update, just do a full
-      // redraw (which is quicker than patching)
-      if (changedLines > (visible.to - visible.from) * .3)
-        refreshDisplay(from = Math.max(visible.from - 10, 0), to = Math.min(visible.to + 7, lines.length));
-      // Otherwise, only update the stuff that needs updating.
-      else
-        patchDisplay(updates);
-      lineDiv.style.display = "";
-
-      // Position the mover div to align with the lines it's supposed
-      // to be showing (which will cover the visible display)
-      var different = from != showingFrom || to != showingTo || lastHeight != wrapper.clientHeight;
-      showingFrom = from; showingTo = to;
-      mover.style.top = (from * lineHeight()) + "px";
-      if (different) {
-        lastHeight = wrapper.clientHeight;
-        code.style.height = (lines.length * lineHeight() + 2 * paddingTop()) + "px";
-        updateGutter();
-      }
-
-      // Since this is all rather error prone, it is honoured with the
-      // only assertion in the whole file.
-      if (lineDiv.childNodes.length != showingTo - showingFrom)
-        throw new Error("BAD PATCH! " + JSON.stringify(updates) + " size=" + (showingTo - showingFrom) +
-                        " nodes=" + lineDiv.childNodes.length);
-      updateCursor();
-    }
-
-    function refreshDisplay(from, to) {
-      var html = [], start = {line: from, ch: 0}, inSel = posLess(sel.from, start) && !posLess(sel.to, start);
-      for (var i = from; i < to; ++i) {
-        var ch1 = null, ch2 = null;
-        if (inSel) {
-          ch1 = 0;
-          if (sel.to.line == i) {inSel = false; ch2 = sel.to.ch;}
-        }
-        else if (sel.from.line == i) {
-          if (sel.to.line == i) {ch1 = sel.from.ch; ch2 = sel.to.ch;}
-          else {inSel = true; ch1 = sel.from.ch;}
-        }
-        html.push(lines[i].getHTML(ch1, ch2, true));
-      }
-      lineDiv.innerHTML = html.join("");
-    }
-    function patchDisplay(updates) {
-      // Slightly different algorithm for IE (badInnerHTML), since
-      // there .innerHTML on PRE nodes is dumb, and discards
-      // whitespace.
-      var sfrom = sel.from.line, sto = sel.to.line, off = 0,
-          scratch = badInnerHTML && document.createElement("div");
-      for (var i = 0, e = updates.length; i < e; ++i) {
-        var rec = updates[i];
-        var extra = (rec.to - rec.from) - rec.domSize;
-        var nodeAfter = lineDiv.childNodes[rec.domStart + rec.domSize + off] || null;
-        if (badInnerHTML)
-          for (var j = Math.max(-extra, rec.domSize); j > 0; --j)
-            lineDiv.removeChild(nodeAfter ? nodeAfter.previousSibling : lineDiv.lastChild);
-        else if (extra) {
-          for (var j = Math.max(0, extra); j > 0; --j)
-            lineDiv.insertBefore(document.createElement("pre"), nodeAfter);
-          for (var j = Math.max(0, -extra); j > 0; --j)
-            lineDiv.removeChild(nodeAfter ? nodeAfter.previousSibling : lineDiv.lastChild);
-        }
-        var node = lineDiv.childNodes[rec.domStart + off], inSel = sfrom < rec.from && sto >= rec.from;
-        for (var j = rec.from; j < rec.to; ++j) {
-          var ch1 = null, ch2 = null;
-          if (inSel) {
-            ch1 = 0;
-            if (sto == j) {inSel = false; ch2 = sel.to.ch;}
-          }
-          else if (sfrom == j) {
-            if (sto == j) {ch1 = sel.from.ch; ch2 = sel.to.ch;}
-            else {inSel = true; ch1 = sel.from.ch;}
-          }
-          if (badInnerHTML) {
-            scratch.innerHTML = lines[j].getHTML(ch1, ch2, true);
-            lineDiv.insertBefore(scratch.firstChild, nodeAfter);
-          }
-          else {
-            node.innerHTML = lines[j].getHTML(ch1, ch2, false);
-            node.className = lines[j].className || "";
-            node = node.nextSibling;
-          }
-        }
-        off += extra;
-      }
-    }
-
-    function updateGutter() {
-      if (!options.gutter && !options.lineNumbers) return;
-      var hText = mover.offsetHeight, hEditor = wrapper.clientHeight;
-      gutter.style.height = (hText - hEditor < 2 ? hEditor : hText) + "px";
-      var html = [];
-      for (var i = showingFrom; i < showingTo; ++i) {
-        var marker = lines[i].gutterMarker;
-        var text = options.lineNumbers ? i + options.firstLineNumber : null;
-        if (marker && marker.text)
-          text = marker.text.replace("%N%", text != null ? text : "");
-        else if (text == null)
-          text = "\u00a0";
-        html.push((marker && marker.style ? '<pre class="' + marker.style + '">' : "<pre>"), text, "</pre>");
-      }
-      gutter.style.display = "none";
-      gutterText.innerHTML = html.join("");
-      var minwidth = String(lines.length).length, firstNode = gutterText.firstChild, val = eltText(firstNode), pad = "";
-      while (val.length + pad.length < minwidth) pad += "\u00a0";
-      if (pad) firstNode.insertBefore(document.createTextNode(pad), firstNode.firstChild);
-      gutter.style.display = "";
-      lineSpace.style.marginLeft = gutter.offsetWidth + "px";
-    }
-    function updateCursor() {
-      var head = sel.inverted ? sel.from : sel.to;
-      var x = charX(head.line, head.ch) + "px", y = (head.line - showingFrom) * lineHeight() + "px";
-      inputDiv.style.top = y; inputDiv.style.left = x;
-      if (posEq(sel.from, sel.to)) {
-        cursor.style.top = y; cursor.style.left = x;
-        cursor.style.display = "";
-      }
-      else cursor.style.display = "none";
-    }
-
-    // Update the selection. Last two args are only used by
-    // updateLines, since they have to be expressed in the line
-    // numbers before the update.
-    function setSelection(from, to, oldFrom, oldTo) {
-      if (posEq(sel.from, from) && posEq(sel.to, to)) return;
-      var sh = shiftSelecting && clipPos(shiftSelecting);
-      if (posLess(to, from)) {var tmp = to; to = from; from = tmp;}
-      if (sh) {
-        if (posLess(sh, from)) from = sh;
-        else if (posLess(to, sh)) to = sh;
-      }
-
-      var startEq = posEq(sel.to, to), endEq = posEq(sel.from, from);
-      if (posEq(from, to)) sel.inverted = false;
-      else if (startEq && !endEq) sel.inverted = true;
-      else if (endEq && !startEq) sel.inverted = false;
-
-      // Some ugly logic used to only mark the lines that actually did
-      // see a change in selection as changed, rather than the whole
-      // selected range.
-      if (oldFrom == null) {oldFrom = sel.from.line; oldTo = sel.to.line;}
-      if (posEq(from, to)) {
-        if (!posEq(sel.from, sel.to))
-          changes.push({from: oldFrom, to: oldTo + 1});
-      }
-      else if (posEq(sel.from, sel.to)) {
-        changes.push({from: from.line, to: to.line + 1});
-      }
-      else {
-        if (!posEq(from, sel.from)) {
-          if (from.line < oldFrom)
-            changes.push({from: from.line, to: Math.min(to.line, oldFrom) + 1});
-          else
-            changes.push({from: oldFrom, to: Math.min(oldTo, from.line) + 1});
-        }
-        if (!posEq(to, sel.to)) {
-          if (to.line < oldTo)
-            changes.push({from: Math.max(oldFrom, from.line), to: oldTo + 1});
-          else
-            changes.push({from: Math.max(from.line, oldTo), to: to.line + 1});
-        }
-      }
-      sel.from = from; sel.to = to;
-      selectionChanged = true;
-    }
-    function setCursor(line, ch) {
-      var pos = clipPos({line: line, ch: ch || 0});
-      setSelection(pos, pos);
-    }
-
-    function clipLine(n) {return Math.max(0, Math.min(n, lines.length-1));}
-    function clipPos(pos) {
-      if (pos.line < 0) return {line: 0, ch: 0};
-      if (pos.line >= lines.length) return {line: lines.length-1, ch: lines[lines.length-1].text.length};
-      var ch = pos.ch, linelen = lines[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 scrollPage(down) {
-      var linesPerPage = Math.floor(wrapper.clientHeight / lineHeight()), head = sel.inverted ? sel.from : sel.to;
-      setCursor(head.line + (Math.max(linesPerPage - 1, 1) * (down ? 1 : -1)), head.ch);
-    }
-    function scrollEnd(top) {
-      setCursor(top ? 0 : lines.length - 1);
-    }
-    function selectAll() {
-      var endLine = lines.length - 1;
-      setSelection({line: 0, ch: 0}, {line: endLine, ch: lines[endLine].text.length});
-    }
-    function selectWordAt(pos) {
-      var line = lines[pos.line].text;
-      var start = pos.ch, end = pos.ch;
-      while (start > 0 && /\w/.test(line.charAt(start - 1))) --start;
-      while (end < line.length - 1 && /\w/.test(line.charAt(end))) ++end;
-      setSelection({line: pos.line, ch: start}, {line: pos.line, ch: end});
-    }
-    function handleEnter() {
-      replaceSelection("\n", "end");
-      if (options.enterMode != "flat")
-        indentLine(sel.from.line, options.enterMode == "keep" ? "prev" : "smart");
-    }
-    function handleTab(shift) {
-      shiftSelecting = null;
-      switch (options.tabMode) {
-      case "default":
-        return false;
-      case "indent":
-        for (var i = sel.from.line, e = sel.to.line; i <= e; ++i) indentLine(i, "smart");
-        break;
-      case "classic":
-        if (posEq(sel.from, sel.to)) {
-          if (shift) indentLine(sel.from.line, "smart");
-          else replaceSelection("\t", "end");
-          break;
-        }
-      case "shift":
-        for (var i = sel.from.line, e = sel.to.line; i <= e; ++i) indentLine(i, shift ? "subtract" : "add");
-        break;
-      }
-      return true;
-    }
-
-    function indentLine(n, how) {
-      if (how == "smart") {
-        if (!mode.indent) how = "prev";
-        else var state = getStateBefore(n);
-      }
-
-      var line = lines[n], curSpace = line.indentation(), curSpaceString = line.text.match(/^\s*/)[0], indentation;
-      if (how == "prev") {
-        if (n) indentation = lines[n-1].indentation();
-        else indentation = 0;
-      }
-      else if (how == "smart") indentation = mode.indent(state, line.text.slice(curSpaceString.length));
-      else if (how == "add") indentation = curSpace + options.indentUnit;
-      else if (how == "subtract") indentation = curSpace - options.indentUnit;
-      indentation = Math.max(0, indentation);
-      var diff = indentation - curSpace;
-
-      if (!diff) {
-        if (sel.from.line != n && sel.to.line != n) return;
-        var indentString = curSpaceString;
-      }
-      else {
-        var indentString = "", pos = 0;
-        if (options.indentWithTabs)
-          for (var i = Math.floor(indentation / tabSize); i; --i) {pos += tabSize; indentString += "\t";}
-        while (pos < indentation) {++pos; indentString += " ";}
-      }
-
-      replaceRange(indentString, {line: n, ch: 0}, {line: n, ch: curSpaceString.length});
-    }
-
-    function loadMode() {
-      mode = CodeMirror.getMode(options, options.mode);
-      for (var i = 0, l = lines.length; i < l; ++i)
-        lines[i].stateAfter = null;
-      work = [0];
-    }
-    function gutterChanged() {
-      var visible = options.gutter || options.lineNumbers;
-      gutter.style.display = visible ? "" : "none";
-      if (visible) updateGutter();
-      else lineDiv.parentNode.style.marginLeft = 0;
-    }
-
-    function markText(from, to, className) {
-      from = clipPos(from); to = clipPos(to);
-      var accum = [];
-      function add(line, from, to, className) {
-        var line = lines[line], mark = line.addMark(from, to, className);
-        mark.line = line;
-        accum.push(mark);
-      }
-      if (from.line == to.line) add(from.line, from.ch, to.ch, className);
-      else {
-        add(from.line, from.ch, null, className);
-        for (var i = from.line + 1, e = to.line; i < e; ++i)
-          add(i, 0, null, className);
-        add(to.line, 0, to.ch, className);
-      }
-      changes.push({from: from.line, to: to.line + 1});
-      return function() {
-        var start, end;
-        for (var i = 0; i < accum.length; ++i) {
-          var mark = accum[i], found = indexOf(lines, mark.line);
-          mark.line.removeMark(mark);
-          if (found > -1) {
-            if (start == null) start = found;
-            end = found;
-          }
-        }
-        if (start != null) changes.push({from: start, to: end + 1});
-      };
-    }
-
-    function addGutterMarker(line, text, className) {
-      if (typeof line == "number") line = lines[clipLine(line)];
-      line.gutterMarker = {text: text, style: className};
-      updateGutter();
-      return line;
-    }
-    function removeGutterMarker(line) {
-      if (typeof line == "number") line = lines[clipLine(line)];
-      line.gutterMarker = null;
-      updateGutter();
-    }
-    function setLineClass(line, className) {
-      if (typeof line == "number") {
-        var no = line;
-        line = lines[clipLine(line)];
-      }
-      else {
-        var no = indexOf(lines, line);
-        if (no == -1) return null;
-      }
-      line.className = className;
-      changes.push({from: no, to: no + 1});
-      return line;
-    }
-
-    function lineInfo(line) {
-      if (typeof line == "number") {
-        var n = line;
-        line = lines[line];
-        if (!line) return null;
-      }
-      else {
-        var n = indexOf(lines, line);
-        if (n == -1) return null;
-      }
-      var marker = line.gutterMarker;
-      return {line: n, text: line.text, markerText: marker && marker.text, markerClass: marker && marker.style};
-    }
-
-    // These are used to go from pixel positions to character
-    // positions, taking tabs into account.
-    function charX(line, pos) {
-      var text = lines[line].text, span = measure.firstChild;
-      if (text.lastIndexOf("\t", pos) == -1) return pos * charWidth();
-      var old = span.firstChild.nodeValue;
-      try {
-        span.firstChild.nodeValue = text.slice(0, pos);
-        return span.offsetWidth;
-      } finally {span.firstChild.nodeValue = old;}
-    }
-    function charFromX(line, x) {
-      var text = lines[line].text, cw = charWidth();
-      if (x <= 0) return 0;
-      if (text.indexOf("\t") == -1) return Math.min(text.length, Math.round(x / cw));
-      var mspan = measure.firstChild, mtext = mspan.firstChild, old = mtext.nodeValue;
-      try {
-        mtext.nodeValue = text;
-        var from = 0, fromX = 0, to = text.length, toX = mspan.offsetWidth;
-        if (x > toX) return to;
-        for (;;) {
-          if (to - from <= 1) return (toX - x > x - fromX) ? from : to;
-          var middle = Math.ceil((from + to) / 2);
-          mtext.nodeValue = text.slice(0, middle);
-          var curX = mspan.offsetWidth;
-          if (curX > x) {to = middle; toX = curX;}
-          else {from = middle; fromX = curX;}
-        }
-      } finally {mtext.nodeValue = old;}
-    }
-
-    function localCoords(pos, inLineWrap) {
-      var lh = lineHeight(), line = pos.line - (inLineWrap ? showingFrom : 0);
-      return {x: charX(pos.line, pos.ch), y: line * lh, yBot: (line + 1) * lh};
-    }
-    function pageCoords(pos) {
-      var local = localCoords(pos, true), off = eltOffset(lineSpace);
-      return {x: off.left + local.x, y: off.top + local.y, yBot: off.top + local.yBot};
-    }
-
-    function lineHeight() {
-      var nlines = lineDiv.childNodes.length;
-      if (nlines) return lineDiv.offsetHeight / nlines;
-      else return measure.firstChild.offsetHeight || 1;
-    }
-    function charWidth() {return (measure.firstChild.offsetWidth || 320) / 40;}
-    function paddingTop() {return lineSpace.offsetTop;}
-    function paddingLeft() {return lineSpace.offsetLeft;}
-
-    function posFromMouse(e, liberal) {
-      var off = eltOffset(lineSpace),
-          x = e.pageX() - off.left,
-          y = e.pageY() - off.top;
-      if (!liberal && e.target() != lineSpace.parentNode && !(e.target() == wrapper && y > (lines.length * lineHeight())))
-        for (var n = e.target(); n != lineDiv && n != cursor; n = n.parentNode)
-          if (!n || n == wrapper) return null;
-      var line = showingFrom + Math.floor(y / lineHeight());
-      return clipPos({line: line, ch: charFromX(clipLine(line), x)});
-    }
-    function onContextMenu(e) {
-      var pos = posFromMouse(e);
-      if (!pos || window.opera) return; // Opera is difficult.
-      if (posEq(sel.from, sel.to) || posLess(pos, sel.from) || !posLess(pos, sel.to))
-        setCursor(pos.line, pos.ch);
-
-      var oldCSS = input.style.cssText;
-      input.style.cssText = "position: fixed; width: 30px; height: 30px; top: " + (e.pageY() - 1) +
-        "px; left: " + (e.pageX() - 1) + "px; z-index: 1000; background: white; " +
-        "border-width: 0; outline: none; overflow: hidden;";
-      var val = input.value = getSelection();
-      input.focus();
-      setSelRange(input, 0, val.length);
-      if (gecko) e.stop();
-      leaveInputAlone = true;
-      setTimeout(function() {
-        if (input.value != val) operation(replaceSelection)(input.value, "end");
-        input.style.cssText = oldCSS;
-        leaveInputAlone = false;
-        prepareInput();
-        slowPoll();
-      }, 50);
-    }
-
-    // Cursor-blinking
-    function restartBlink() {
-      clearInterval(blinker);
-      var on = true;
-      cursor.style.visibility = "";
-      blinker = setInterval(function() {
-        cursor.style.visibility = (on = !on) ? "" : "hidden";
-      }, 650);
-    }
-
-    var matching = {"(": ")>", ")": "(<", "[": "]>", "]": "[<", "{": "}>", "}": "{<"};
-    function matchBrackets(autoclear) {
-      var head = sel.inverted ? sel.from : sel.to, line = lines[head.line], pos = head.ch - 1;
-      var match = (pos >= 0 && matching[line.text.charAt(pos)]) || matching[line.text.charAt(++pos)];
-      if (!match) return;
-      var ch = match.charAt(0), forward = match.charAt(1) == ">", d = forward ? 1 : -1, st = line.styles;
-      for (var off = pos + 1, i = 0, e = st.length; i < e; i+=2)
-        if ((off -= st[i].length) <= 0) {var style = st[i+1]; break;}
-
-      var stack = [line.text.charAt(pos)], re = /[(){}[\]]/;
-      function scan(line, from, to) {
-        if (!line.text) return;
-        var st = line.styles, pos = forward ? 0 : line.text.length - 1, cur;
-        for (var i = forward ? 0 : st.length - 2, e = forward ? st.length : -2; i != e; i += 2*d) {
-          var text = st[i];
-          if (st[i+1] != null && st[i+1] != style) {pos += d * text.length; continue;}
-          for (var j = forward ? 0 : text.length - 1, te = forward ? text.length : -1; j != te; j += d, pos+=d) {
-            if (pos >= from && pos < to && re.test(cur = text.charAt(j))) {
-              var match = matching[cur];
-              if (match.charAt(1) == ">" == forward) stack.push(cur);
-              else if (stack.pop() != match.charAt(0)) return {pos: pos, match: false};
-              else if (!stack.length) return {pos: pos, match: true};
-            }
-          }
-        }
-      }
-      for (var i = head.line, e = forward ? Math.min(i + 50, lines.length) : Math.max(0, i - 50); i != e; i+=d) {
-        var line = lines[i], first = i == head.line;
-        var found = scan(line, first && forward ? pos + 1 : 0, first && !forward ? pos : line.text.length);
-        if (found) {
-          var style = found.match ? "CodeMirror-matchingbracket" : "CodeMirror-nonmatchingbracket";
-          var one = markText({line: head.line, ch: pos}, {line: head.line, ch: pos+1}, style),
-              two = markText({line: i, ch: found.pos}, {line: i, ch: found.pos + 1}, style);
-          var clear = operation(function(){one(); two();});
-          if (autoclear) setTimeout(clear, 800);
-          else bracketHighlighted = clear;
-          break;
-        }
-      }
-    }
-
-    // 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(n) {
-      var minindent, minline;
-      for (var search = n, lim = n - 40; search > lim; --search) {
-        if (search == 0) return 0;
-        var line = lines[search-1];
-        if (line.stateAfter) return search;
-        var indented = line.indentation();
-        if (minline == null || minindent > indented) {
-          minline = search;
-          minindent = indented;
-        }
-      }
-      return minline;
-    }
-    function getStateBefore(n) {
-      var start = findStartLine(n), state = start && lines[start-1].stateAfter;
-      if (!state) state = startState(mode);
-      else state = copyState(mode, state);
-      for (var i = start; i < n; ++i) {
-        var line = lines[i];
-        line.highlight(mode, state);
-        line.stateAfter = copyState(mode, state);
-      }
-      if (!lines[n].stateAfter) work.push(n);
-      return state;
-    }
-    function highlightWorker() {
-      var end = +new Date + options.workTime;
-      while (work.length) {
-        if (!lines[showingFrom].stateAfter) var task = showingFrom;
-        else var task = work.pop();
-        if (task >= lines.length) continue;
-        var start = findStartLine(task), state = start && lines[start-1].stateAfter;
-        if (state) state = copyState(mode, state);
-        else state = startState(mode);
-
-        for (var i = start, l = lines.length; i < l; ++i) {
-          var line = lines[i], hadState = line.stateAfter;
-          if (+new Date > end) {
-            work.push(i);
-            startWorker(options.workDelay);
-            changes.push({from: task, to: i});
-            return;
-          }
-          var changed = line.highlight(mode, state);
-          line.stateAfter = copyState(mode, state);
-          if (hadState && !changed && line.text) break;
-        }
-        changes.push({from: task, to: i});
-      }
-    }
-    function startWorker(time) {
-      if (!work.length) return;
-      highlight.set(time, operation(highlightWorker));
-    }
-
-    // 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() {
-      updateInput = null; changes = []; textChanged = selectionChanged = false;
-    }
-    function endOperation() {
-      var reScroll = false;
-      if (selectionChanged) reScroll = !scrollCursorIntoView();
-      if (changes.length) updateDisplay(changes);
-      else if (selectionChanged) updateCursor();
-      if (reScroll) scrollCursorIntoView();
-      if (selectionChanged) restartBlink();
-
-      // updateInput can be set to a boolean value to force/prevent an
-      // update.
-      if (!leaveInputAlone && (updateInput === true || (updateInput !== false && selectionChanged)))
-        prepareInput();
-
-      if (selectionChanged && options.onCursorActivity)
-        options.onCursorActivity(instance);
-      if (textChanged && options.onChange)
-        options.onChange(instance);
-      if (selectionChanged && options.matchBrackets)
-        setTimeout(operation(function() {
-          if (bracketHighlighted) {bracketHighlighted(); bracketHighlighted = null;}
-          matchBrackets(false);
-        }), 20);
-    }
-    var nestedOperation = 0;
-    function operation(f) {
-      return function() {
-        if (!nestedOperation++) startOperation();
-        try {var result = f.apply(this, arguments);}
-        finally {if (!--nestedOperation) endOperation();}
-        return result;
-      };
-    }
-
-    function SearchCursor(query, pos, caseFold) {
-      this.atOccurrence = false;
-      if (caseFold == null) caseFold = typeof query == "string" && query == query.toLowerCase();
-
-      if (pos && typeof pos == "object") pos = clipPos(pos);
-      else pos = {line: 0, ch: 0};
-      this.pos = {from: pos, to: pos};
-
-      // The matches method is filled in based on the type of query.
-      // It takes a position and a direction, and returns an object
-      // describing the next occurrence of the query, or null if no
-      // more matches were found.
-      if (typeof query != "string") // Regexp match
-        this.matches = function(reverse, pos) {
-          if (reverse) {
-            var line = lines[pos.line].text.slice(0, pos.ch), match = line.match(query), start = 0;
-            while (match) {
-              var ind = line.indexOf(match[0]);
-              start += ind;
-              line = line.slice(ind + 1);
-              var newmatch = line.match(query);
-              if (newmatch) match = newmatch;
-              else break;
-            }
-          }
-          else {
-            var line = lines[pos.line].text.slice(pos.ch), match = line.match(query),
-                start = match && pos.ch + line.indexOf(match[0]);
-          }
-          if (match)
-            return {from: {line: pos.line, ch: start},
-                    to: {line: pos.line, ch: start + match[0].length},
-                    match: match};
-        };
-      else { // String query
-        if (caseFold) query = query.toLowerCase();
-        var fold = caseFold ? function(str){return str.toLowerCase();} : function(str){return str;};
-        var target = query.split("\n");
-        // Different methods for single-line and multi-line queries
-        if (target.length == 1)
-          this.matches = function(reverse, pos) {
-            var line = fold(lines[pos.line].text), len = query.length, match;
-            if (reverse ? (pos.ch >= len && (match = line.lastIndexOf(query, pos.ch - len)) != -1)
-                        : (match = line.indexOf(query, pos.ch)) != -1)
-              return {from: {line: pos.line, ch: match},
-                      to: {line: pos.line, ch: match + len}};
-          };
-        else
-          this.matches = function(reverse, pos) {
-            var ln = pos.line, idx = (reverse ? target.length - 1 : 0), match = target[idx], line = fold(lines[ln].text);
-            var offsetA = (reverse ? line.indexOf(match) + match.length : line.lastIndexOf(match));
-            if (reverse ? offsetA >= pos.ch || offsetA != match.length
-                        : offsetA <= pos.ch || offsetA != line.length - match.length)
-              return;
-            for (;;) {
-              if (reverse ? !ln : ln == lines.length - 1) return;
-              line = fold(lines[ln += reverse ? -1 : 1].text);
-              match = target[reverse ? --idx : ++idx];
-              if (idx > 0 && idx < target.length - 1) {
-                if (line != match) return;
-                else continue;
-              }
-              var offsetB = (reverse ? line.lastIndexOf(match) : line.indexOf(match) + match.length);
-              if (reverse ? offsetB != line.length - match.length : offsetB != match.length)
-                return;
-              var start = {line: pos.line, ch: offsetA}, end = {line: ln, ch: offsetB};
-              return {from: reverse ? end : start, to: reverse ? start : end};
-            }
-          };
-      }
-    }
-
-    SearchCursor.prototype = {
-      findNext: function() {return this.find(false);},
-      findPrevious: function() {return this.find(true);},
-
-      find: function(reverse) {
-        var self = this, pos = clipPos(reverse ? this.pos.from : this.pos.to);
-        function savePosAndFail(line) {
-          var pos = {line: line, ch: 0};
-          self.pos = {from: pos, to: pos};
-          self.atOccurrence = false;
-          return false;
-        }
-
-        for (;;) {
-          if (this.pos = this.matches(reverse, pos)) {
-            this.atOccurrence = true;
-            return this.pos.match || true;
-          }
-          if (reverse) {
-            if (!pos.line) return savePosAndFail(0);
-            pos = {line: pos.line-1, ch: lines[pos.line-1].text.length};
-          }
-          else {
-            if (pos.line == lines.length - 1) return savePosAndFail(lines.length);
-            pos = {line: pos.line+1, ch: 0};
-          }
-        }
-      },
-
-      from: function() {if (this.atOccurrence) return copyPos(this.pos.from);},
-      to: function() {if (this.atOccurrence) return copyPos(this.pos.to);}
-    };
-
-    return instance;
-  } // (end of function CodeMirror)
-
-  // The default configuration options.
-  CodeMirror.defaults = {
-    value: "",
-    mode: null,
-    indentUnit: 2,
-    indentWithTabs: false,
-    tabMode: "classic",
-    enterMode: "indent",
-    electricChars: true,
-    onKeyEvent: null,
-    lineNumbers: false,
-    gutter: false,
-    firstLineNumber: 1,
-    readOnly: false,
-    onChange: null,
-    onCursorActivity: null,
-    onGutterClick: null,
-    onFocus: null, onBlur: null, onScroll: null,
-    matchBrackets: false,
-    workTime: 100,
-    workDelay: 200,
-    undoDepth: 40,
-    tabindex: null
-  };
-
-  // Known modes, by name and by MIME
-  var modes = {}, mimeModes = {};
-  CodeMirror.defineMode = function(name, mode) {
-    if (!CodeMirror.defaults.mode && name != "null") CodeMirror.defaults.mode = name;
-    modes[name] = mode;
-  };
-  CodeMirror.defineMIME = function(mime, spec) {
-    mimeModes[mime] = spec;
-  };
-  CodeMirror.getMode = function(options, spec) {
-    if (typeof spec == "string" && mimeModes.hasOwnProperty(spec))
-      spec = mimeModes[spec];
-    if (typeof spec == "string")
-      var mname = spec, config = {};
-    else
-      var mname = spec.name, config = spec;
-    var mfactory = modes[mname];
-    if (!mfactory) {
-      if (window.console) console.warn("No mode " + mname + " found, falling back to plain text.");
-      return CodeMirror.getMode(options, "text/plain");
-    }
-    return mfactory(options, config);
-  }
-  CodeMirror.listModes = function() {
-    var list = [];
-    for (var m in modes)
-      if (modes.propertyIsEnumerable(m)) list.push(m);
-    return list;
-  };
-  CodeMirror.listMIMEs = function() {
-    var list = [];
-    for (var m in mimeModes)
-      if (mimeModes.propertyIsEnumerable(m)) list.push(m);
-    return list;
-  };
-
-  CodeMirror.fromTextArea = function(textarea, options) {
-    if (!options) options = {};
-    options.value = textarea.value;
-    if (!options.tabindex && textarea.tabindex)
-      options.tabindex = textarea.tabindex;
-
-    function save() {textarea.value = instance.getValue();}
-    if (textarea.form) {
-      // Deplorable hack to make the submit method do the right thing.
-      var rmSubmit = connect(textarea.form, "submit", save, true);
-      if (typeof textarea.form.submit == "function") {
-        var realSubmit = textarea.form.submit;
-        function wrappedSubmit() {
-          save();
-          textarea.form.submit = realSubmit;
-          textarea.form.submit();
-          textarea.form.submit = wrappedSubmit;
-        }
-        textarea.form.submit = wrappedSubmit;
-      }
-    }
-
-    textarea.style.display = "none";
-    var instance = CodeMirror(function(node) {
-      textarea.parentNode.insertBefore(node, textarea.nextSibling);
-    }, options);
-    instance.save = save;
-    instance.toTextArea = function() {
-      save();
-      textarea.parentNode.removeChild(instance.getWrapperElement());
-      textarea.style.display = "";
-      if (textarea.form) {
-        rmSubmit();
-        if (typeof textarea.form.submit == "function")
-          textarea.form.submit = realSubmit;
-      }
-    };
-    return instance;
-  };
-
-  // 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.startState = startState;
-  function startState(mode, a1, a2) {
-    return mode.startState ? mode.startState(a1, a2) : true;
-  }
-  CodeMirror.copyState = copyState;
-
-  // The character stream used by a mode's parser.
-  function StringStream(string) {
-    this.pos = this.start = 0;
-    this.string = string;
-  }
-  StringStream.prototype = {
-    eol: function() {return this.pos >= this.string.length;},
-    sol: function() {return this.pos == 0;},
-    peek: function() {return this.string.charAt(this.pos);},
-    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.start;
-      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);},
-    indentation: function() {return countColumn(this.string);},
-    match: function(pattern, consume, caseInsensitive) {
-      if (typeof pattern == "string") {
-        function cased(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 && consume !== false) this.pos += match[0].length;
-        return match;
-      }
-    },
-    current: function(){return this.string.slice(this.start, this.pos);}
-  };
-
-  // Line objects. These hold state related to a line, including
-  // highlighting info (the styles array).
-  function Line(text, styles) {
-    this.styles = styles || [text, null];
-    this.stateAfter = null;
-    this.text = text;
-    this.marked = this.gutterMarker = this.className = null;
-  }
-  Line.prototype = {
-    // Replace a piece of a line, keeping the styles around it intact.
-    replace: function(from, to, text) {
-      var st = [], mk = this.marked;
-      copyStyles(0, from, this.styles, st);
-      if (text) st.push(text, null);
-      copyStyles(to, this.text.length, this.styles, st);
-      this.styles = st;
-      this.text = this.text.slice(0, from) + text + this.text.slice(to);
-      this.stateAfter = null;
-      if (mk) {
-        var diff = text.length - (to - from), end = this.text.length;
-        function fix(n) {return n <= Math.min(to, to + diff) ? n : n + diff;}
-        for (var i = 0; i < mk.length; ++i) {
-          var mark = mk[i], del = false;
-          if (mark.from >= end) del = true;
-          else {mark.from = fix(mark.from); if (mark.to != null) mark.to = fix(mark.to);}
-          if (del || mark.from >= mark.to) {mk.splice(i, 1); i--;}
-        }
-      }
-    },
-    // Split a line in two, again keeping styles intact.
-    split: function(pos, textBefore) {
-      var st = [textBefore, null];
-      copyStyles(pos, this.text.length, this.styles, st);
-      return new Line(textBefore + this.text.slice(pos), st);
-    },
-    addMark: function(from, to, style) {
-      var mk = this.marked, mark = {from: from, to: to, style: style};
-      if (this.marked == null) this.marked = [];
-      this.marked.push(mark);
-      this.marked.sort(function(a, b){return a.from - b.from;});
-      return mark;
-    },
-    removeMark: function(mark) {
-      var mk = this.marked;
-      if (!mk) return;
-      for (var i = 0; i < mk.length; ++i)
-        if (mk[i] == mark) {mk.splice(i, 1); break;}
-    },
-    // Run the given mode's parser over a line, update the styles
-    // array, which contains alternating fragments of text and CSS
-    // classes.
-    highlight: function(mode, state) {
-      var stream = new StringStream(this.text), st = this.styles, pos = 0, changed = false;
-      while (!stream.eol()) {
-        var style = mode.token(stream, state);
-        var substr = this.text.slice(stream.start, stream.pos);
-        stream.start = stream.pos;
-        if (pos && st[pos-1] == style)
-          st[pos-2] += substr;
-        else if (substr) {
-          if (!changed && st[pos] != substr || st[pos+1] != style) changed = true;
-          st[pos++] = substr; st[pos++] = style;
-        }
-        // Give up when line is ridiculously long
-        if (stream.pos > 5000) {
-          st[pos++] = this.text.slice(stream.pos); st[pos++] = null;
-          break;
-        }
-      }
-      if (st.length != pos) {st.length = pos; changed = true;}
-      return changed;
-    },
-    // Fetch the parser token for a given character. Useful for hacks
-    // that want to inspect the mode state (say, for completion).
-    getTokenAt: function(mode, state, ch) {
-      var txt = this.text, stream = new StringStream(txt);
-      while (stream.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,
-              state: state};
-    },
-    indentation: function() {return countColumn(this.text);},
-    // Produces an HTML fragment for the line, taking selection,
-    // marking, and highlighting into account.
-    getHTML: function(sfrom, sto, includePre) {
-      var html = [];
-      if (includePre)
-        html.push(this.className ? '<pre class="' + this.className + '">': "<pre>");
-      function span(text, style) {
-        if (!text) return;
-        if (style) html.push('<span class="', style, '">', htmlEscape(text), "</span>");
-        else html.push(htmlEscape(text));
-      }
-      var st = this.styles, allText = this.text, marked = this.marked;
-      if (sfrom == sto) sfrom = null;
-
-      if (!allText)
-        span(" ", sfrom != null && sto == null ? "CodeMirror-selected" : null);
-      else if (!marked && sfrom == null)
-        for (var i = 0, e = st.length; i < e; i+=2) span(st[i], st[i+1]);
-      else {
-        var pos = 0, i = 0, text = "", style, sg = 0;
-        var markpos = -1, mark = null;
-        function nextMark() {
-          if (marked) {
-            markpos += 1;
-            mark = (markpos < marked.length) ? marked[markpos] : null;
-          }
-        }
-        nextMark();        
-        while (pos < allText.length) {
-          var upto = allText.length;
-          var extraStyle = "";
-          if (sfrom != null) {
-            if (sfrom > pos) upto = sfrom;
-            else if (sto == null || sto > pos) {
-              extraStyle = " CodeMirror-selected";
-              if (sto != null) upto = Math.min(upto, sto);
-            }
-          }
-          while (mark && mark.to != null && mark.to <= pos) nextMark();
-          if (mark) {
-            if (mark.from > pos) upto = Math.min(upto, mark.from);
-            else {
-              extraStyle += " " + mark.style;
-              if (mark.to != null) upto = Math.min(upto, mark.to);
-            }
-          }
-          for (;;) {
-            var end = pos + text.length;
-            var apliedStyle = style;
-            if (extraStyle) apliedStyle = style ? style + extraStyle : extraStyle;
-            span(end > upto ? text.slice(0, upto - pos) : text, apliedStyle);
-            if (end >= upto) {text = text.slice(upto - pos); pos = upto; break;}
-            pos = end;
-            text = st[i++]; style = st[i++];
-          }
-        }
-        if (sfrom != null && sto == null) span(" ", "CodeMirror-selected");
-      }
-      if (includePre) html.push("</pre>");
-      return html.join("");
-    }
-  };
-  // Utility used by replace and split above
-  function copyStyles(from, to, source, dest) {
-    for (var i = 0, pos = 0, state = 0; pos < to; i+=2) {
-      var part = source[i], end = pos + part.length;
-      if (state == 0) {
-        if (end > from) dest.push(part.slice(from - pos, Math.min(part.length, to - pos)), source[i+1]);
-        if (end >= from) state = 1;
-      }
-      else if (state == 1) {
-        if (end > to) dest.push(part.slice(0, to - pos), source[i+1]);
-        else dest.push(part, source[i+1]);
-      }
-      pos = end;
-    }
-  }
-
-  // The history object 'chunks' changes that are made close together
-  // and at almost the same time into bigger undoable units.
-  function History() {
-    this.time = 0;
-    this.done = []; this.undone = [];
-  }
-  History.prototype = {
-    addChange: function(start, added, old) {
-      this.undone.length = 0;
-      var time = +new Date, last = this.done[this.done.length - 1];
-      if (time - this.time > 400 || !last ||
-          last.start > start + added || last.start + last.added < start - last.added + last.old.length)
-        this.done.push({start: start, added: added, old: old});
-      else {
-        var oldoff = 0;
-        if (start < last.start) {
-          for (var i = last.start - start - 1; i >= 0; --i)
-            last.old.unshift(old[i]);
-          last.added += last.start - start;
-          last.start = start;
-        }
-        else if (last.start < start) {
-          oldoff = start - last.start;
-          added += oldoff;
-        }
-        for (var i = last.added - oldoff, e = old.length; i < e; ++i)
-          last.old.push(old[i]);
-        if (last.added < added) last.added = added;
-      }
-      this.time = time;
-    }
-  };
-
-  // Event stopping compatibility wrapper.
-  function stopEvent() {
-    if (this.preventDefault) {this.preventDefault(); this.stopPropagation();}
-    else {this.returnValue = false; this.cancelBubble = true;}
-  }
-  // Ensure an event has a stop method.
-  function addStop(event) {
-    if (!event.stop) event.stop = stopEvent;
-    return event;
-  }
-
-  // Event wrapper, exposing the few operations we need.
-  function Event(orig) {this.e = orig;}
-  Event.prototype = {
-    stop: function() {stopEvent.call(this.e);},
-    target: function() {return this.e.target || this.e.srcElement;},
-    button: function() {
-      if (this.e.which) return this.e.which;
-      else if (this.e.button & 1) return 1;
-      else if (this.e.button & 2) return 3;
-      else if (this.e.button & 4) return 2;
-    },
-    pageX: function() {
-      if (this.e.pageX != null) return this.e.pageX;
-      else return this.e.clientX + document.body.scrollLeft + document.documentElement.scrollLeft;
-    },
-    pageY: function() {
-      if (this.e.pageY != null) return this.e.pageY;
-      else return this.e.clientY + document.body.scrollTop + document.documentElement.scrollTop;
-    }
-  };
-
-  // Event handler registration. If disconnect is true, it'll return a
-  // function that unregisters the handler.
-  function connect(node, type, handler, disconnect) {
-    function wrapHandler(event) {handler(new Event(event || window.event));}
-    if (typeof node.addEventListener == "function") {
-      node.addEventListener(type, wrapHandler, false);
-      if (disconnect) return function() {node.removeEventListener(type, wrapHandler, false);};
-    }
-    else {
-      node.attachEvent("on" + type, wrapHandler);
-      if (disconnect) return function() {node.detachEvent("on" + type, wrapHandler);};
-    }
-  }
-
-  function Delayed() {this.id = null;}
-  Delayed.prototype = {set: function(ms, f) {clearTimeout(this.id); this.id = setTimeout(f, ms);}};
-
-  // Some IE versions don't preserve whitespace when setting the
-  // innerHTML of a PRE tag.
-  var badInnerHTML = (function() {
-    var pre = document.createElement("pre");
-    pre.innerHTML = " "; return !pre.innerHTML;
-  })();
-
-  var gecko = /gecko\/\d{7}/i.test(navigator.userAgent);
-
-  var lineSep = "\n";
-  // Feature-detect whether newlines in textareas are converted to \r\n
-  (function () {
-    var te = document.createElement("textarea");
-    te.value = "foo\nbar";
-    if (te.value.indexOf("\r") > -1) lineSep = "\r\n";
-  }());
-
-  var tabSize = 8;
-  var mac = /Mac/.test(navigator.platform);
-  var movementKeys = {};
-  for (var i = 35; i <= 40; ++i)
-    movementKeys[i] = movementKeys["c" + i] = true;
-
-  // Counts the column offset in a string, taking tabs into account.
-  // Used mostly to find indentation.
-  function countColumn(string, end) {
-    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;
-  }
-
-  // Find the position of an element by following the offsetParent chain.
-  function eltOffset(node) {
-    var x = 0, y = 0, n2 = node;
-    for (var n = node; n; n = n.offsetParent) {x += n.offsetLeft; y += n.offsetTop;}
-    for (var n = node; n != document.body; n = n.parentNode) {x -= n.scrollLeft; y -= n.scrollTop;}
-    return {left: x, top: y};
-  }
-  // Get a node's text content.
-  function eltText(node) {
-    return node.textContent || node.innerText || node.nodeValue || "";
-  }
-
-  // Operations on {line, ch} objects.
-  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 htmlEscape(str) {
-    return str.replace(/[<&]/g, function(str) {return str == "&" ? "&amp;" : "&lt;";});
-  }
-
-  // Used to position the cursor after an undo/redo by finding the
-  // last edited character.
-  function editEnd(from, to) {
-    if (!to) return from ? from.length : 0;
-    if (!from) return to.length;
-    for (var i = from.length, j = to.length; i >= 0 && j >= 0; --i, --j)
-      if (from.charAt(i) != to.charAt(j)) break;
-    return j + 1;
-  }
-
-  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;
-  }
-
-  // See if "".split is the broken IE version, if so, provide an
-  // alternative way to split lines.
-  if ("\n\nb".split(/\n/).length != 3)
-    var splitLines = function(string) {
-      var pos = 0, nl, result = [];
-      while ((nl = string.indexOf("\n", pos)) > -1) {
-        result.push(string.slice(pos, string.charAt(nl-1) == "\r" ? nl - 1 : nl));
-        pos = nl + 1;
-      }
-      result.push(string.slice(pos));
-      return result;
-    };
-  else
-    var splitLines = function(string){return string.split(/\r?\n/);};
-
-  // Sane model of finding and setting the selection in a textarea
-  if (window.getSelection) {
-    var selRange = function(te) {
-      try {return {start: te.selectionStart, end: te.selectionEnd};}
-      catch(e) {return null;}
-    };
-    var setSelRange = function(te, start, end) {
-      try {te.setSelectionRange(start, end);}
-      catch(e) {} // Fails on Firefox when textarea isn't part of the document
-    };
-  }
-  // IE model. Don't ask.
-  else {
-    var selRange = function(te) {
-      try {var range = document.selection.createRange();}
-      catch(e) {return null;}
-      if (!range || range.parentElement() != te) return null;
-      var val = te.value, len = val.length, localRange = te.createTextRange();
-      localRange.moveToBookmark(range.getBookmark());
-      var endRange = te.createTextRange();
-      endRange.collapse(false);
-
-      if (localRange.compareEndPoints("StartToEnd", endRange) > -1)
-        return {start: len, end: len};
-
-      var start = -localRange.moveStart("character", -len);
-      for (var i = val.indexOf("\r"); i > -1 && i < start; i = val.indexOf("\r", i+1), start++) {}
-
-      if (localRange.compareEndPoints("EndToEnd", endRange) > -1)
-        return {start: start, end: len};
-
-      var end = -localRange.moveEnd("character", -len);
-      for (var i = val.indexOf("\r"); i > -1 && i < end; i = val.indexOf("\r", i+1), end++) {}
-      return {start: start, end: end};
-    };
-    var setSelRange = function(te, start, end) {
-      var range = te.createTextRange();
-      range.collapse(true);
-      var endrange = range.duplicate();
-      var newlines = 0, txt = te.value;
-      for (var pos = txt.indexOf("\n"); pos > -1 && pos < start; pos = txt.indexOf("\n", pos + 1))
-        ++newlines;
-      range.move("character", start - newlines);
-      for (; pos > -1 && pos < end; pos = txt.indexOf("\n", pos + 1))
-        ++newlines;
-      endrange.move("character", end - newlines);
-      range.setEndPoint("EndToEnd", endrange);
-      range.select();
-    };
-  }
-
-  CodeMirror.defineMode("null", function() {
-    return {token: function(stream) {stream.skipToEnd();}};
-  });
-  CodeMirror.defineMIME("text/plain", "null");
-
-  return CodeMirror;
-})();