upgrade editor.md(many bug exists)

static/editor.md/lib/codemirror/addon/edit/closebrackets.js

@@ -1,5 +1,5 @@
 // CodeMirror, copyright (c) by Marijn Haverbeke and others
-// Distributed under an MIT license: http://codemirror.net/LICENSE
+// Distributed under an MIT license: https://codemirror.net/LICENSE
 
 (function(mod) {
   if (typeof exports == "object" && typeof module == "object") // CommonJS
@@ -9,153 +9,193 @@
   else // Plain browser env
     mod(CodeMirror);
 })(function(CodeMirror) {
-  var DEFAULT_BRACKETS = "()[]{}''\"\"";
-  var DEFAULT_TRIPLES = "'\"";
-  var DEFAULT_EXPLODE_ON_ENTER = "[]{}";
-  var SPACE_CHAR_REGEX = /\s/;
+  var defaults = {
+    pairs: "()[]{}''\"\"",
+    closeBefore: ")]}'\":;>",
+    triples: "",
+    explode: "[]{}"
+  };
 
   var Pos = CodeMirror.Pos;
 
   CodeMirror.defineOption("autoCloseBrackets", false, function(cm, val, old) {
-    if (old != CodeMirror.Init && old)
-      cm.removeKeyMap("autoCloseBrackets");
-    if (!val) return;
-    var pairs = DEFAULT_BRACKETS, triples = DEFAULT_TRIPLES, explode = DEFAULT_EXPLODE_ON_ENTER;
-    if (typeof val == "string") pairs = val;
-    else if (typeof val == "object") {
-      if (val.pairs != null) pairs = val.pairs;
-      if (val.triples != null) triples = val.triples;
-      if (val.explode != null) explode = val.explode;
+    if (old && old != CodeMirror.Init) {
+      cm.removeKeyMap(keyMap);
+      cm.state.closeBrackets = null;
+    }
+    if (val) {
+      ensureBound(getOption(val, "pairs"))
+      cm.state.closeBrackets = val;
+      cm.addKeyMap(keyMap);
     }
-    var map = buildKeymap(pairs, triples);
-    if (explode) map.Enter = buildExplodeHandler(explode);
-    cm.addKeyMap(map);
   });
 
+  function getOption(conf, name) {
+    if (name == "pairs" && typeof conf == "string") return conf;
+    if (typeof conf == "object" && conf[name] != null) return conf[name];
+    return defaults[name];
+  }
+
+  var keyMap = {Backspace: handleBackspace, Enter: handleEnter};
+  function ensureBound(chars) {
+    for (var i = 0; i < chars.length; i++) {
+      var ch = chars.charAt(i), key = "'" + ch + "'"
+      if (!keyMap[key]) keyMap[key] = handler(ch)
+    }
+  }
+  ensureBound(defaults.pairs + "`")
+
+  function handler(ch) {
+    return function(cm) { return handleChar(cm, ch); };
+  }
+
+  function getConfig(cm) {
+    var deflt = cm.state.closeBrackets;
+    if (!deflt || deflt.override) return deflt;
+    var mode = cm.getModeAt(cm.getCursor());
+    return mode.closeBrackets || deflt;
+  }
+
+  function handleBackspace(cm) {
+    var conf = getConfig(cm);
+    if (!conf || cm.getOption("disableInput")) return CodeMirror.Pass;
+
+    var pairs = getOption(conf, "pairs");
+    var ranges = cm.listSelections();
+    for (var i = 0; i < ranges.length; i++) {
+      if (!ranges[i].empty()) return CodeMirror.Pass;
+      var around = charsAround(cm, ranges[i].head);
+      if (!around || pairs.indexOf(around) % 2 != 0) return CodeMirror.Pass;
+    }
+    for (var i = ranges.length - 1; i >= 0; i--) {
+      var cur = ranges[i].head;
+      cm.replaceRange("", Pos(cur.line, cur.ch - 1), Pos(cur.line, cur.ch + 1), "+delete");
+    }
+  }
+
+  function handleEnter(cm) {
+    var conf = getConfig(cm);
+    var explode = conf && getOption(conf, "explode");
+    if (!explode || cm.getOption("disableInput")) return CodeMirror.Pass;
+
+    var ranges = cm.listSelections();
+    for (var i = 0; i < ranges.length; i++) {
+      if (!ranges[i].empty()) return CodeMirror.Pass;
+      var around = charsAround(cm, ranges[i].head);
+      if (!around || explode.indexOf(around) % 2 != 0) return CodeMirror.Pass;
+    }
+    cm.operation(function() {
+      var linesep = cm.lineSeparator() || "\n";
+      cm.replaceSelection(linesep + linesep, null);
+      moveSel(cm, -1)
+      ranges = cm.listSelections();
+      for (var i = 0; i < ranges.length; i++) {
+        var line = ranges[i].head.line;
+        cm.indentLine(line, null, true);
+        cm.indentLine(line + 1, null, true);
+      }
+    });
+  }
+
+  function moveSel(cm, dir) {
+    var newRanges = [], ranges = cm.listSelections(), primary = 0
+    for (var i = 0; i < ranges.length; i++) {
+      var range = ranges[i]
+      if (range.head == cm.getCursor()) primary = i
+      var pos = range.head.ch || dir > 0 ? {line: range.head.line, ch: range.head.ch + dir} : {line: range.head.line - 1}
+      newRanges.push({anchor: pos, head: pos})
+    }
+    cm.setSelections(newRanges, primary)
+  }
+
+  function contractSelection(sel) {
+    var inverted = CodeMirror.cmpPos(sel.anchor, sel.head) > 0;
+    return {anchor: new Pos(sel.anchor.line, sel.anchor.ch + (inverted ? -1 : 1)),
+            head: new Pos(sel.head.line, sel.head.ch + (inverted ? 1 : -1))};
+  }
+
+  function handleChar(cm, ch) {
+    var conf = getConfig(cm);
+    if (!conf || cm.getOption("disableInput")) return CodeMirror.Pass;
+
+    var pairs = getOption(conf, "pairs");
+    var pos = pairs.indexOf(ch);
+    if (pos == -1) return CodeMirror.Pass;
+
+    var closeBefore = getOption(conf,"closeBefore");
+
+    var triples = getOption(conf, "triples");
+
+    var identical = pairs.charAt(pos + 1) == ch;
+    var ranges = cm.listSelections();
+    var opening = pos % 2 == 0;
+
+    var type;
+    for (var i = 0; i < ranges.length; i++) {
+      var range = ranges[i], cur = range.head, curType;
+      var next = cm.getRange(cur, Pos(cur.line, cur.ch + 1));
+      if (opening && !range.empty()) {
+        curType = "surround";
+      } else if ((identical || !opening) && next == ch) {
+        if (identical && stringStartsAfter(cm, cur))
+          curType = "both";
+        else if (triples.indexOf(ch) >= 0 && cm.getRange(cur, Pos(cur.line, cur.ch + 3)) == ch + ch + ch)
+          curType = "skipThree";
+        else
+          curType = "skip";
+      } else if (identical && cur.ch > 1 && triples.indexOf(ch) >= 0 &&
+                 cm.getRange(Pos(cur.line, cur.ch - 2), cur) == ch + ch) {
+        if (cur.ch > 2 && /\bstring/.test(cm.getTokenTypeAt(Pos(cur.line, cur.ch - 2)))) return CodeMirror.Pass;
+        curType = "addFour";
+      } else if (identical) {
+        var prev = cur.ch == 0 ? " " : cm.getRange(Pos(cur.line, cur.ch - 1), cur)
+        if (!CodeMirror.isWordChar(next) && prev != ch && !CodeMirror.isWordChar(prev)) curType = "both";
+        else return CodeMirror.Pass;
+      } else if (opening && (next.length === 0 || /\s/.test(next) || closeBefore.indexOf(next) > -1)) {
+        curType = "both";
+      } else {
+        return CodeMirror.Pass;
+      }
+      if (!type) type = curType;
+      else if (type != curType) return CodeMirror.Pass;
+    }
+
+    var left = pos % 2 ? pairs.charAt(pos - 1) : ch;
+    var right = pos % 2 ? ch : pairs.charAt(pos + 1);
+    cm.operation(function() {
+      if (type == "skip") {
+        moveSel(cm, 1)
+      } else if (type == "skipThree") {
+        moveSel(cm, 3)
+      } else if (type == "surround") {
+        var sels = cm.getSelections();
+        for (var i = 0; i < sels.length; i++)
+          sels[i] = left + sels[i] + right;
+        cm.replaceSelections(sels, "around");
+        sels = cm.listSelections().slice();
+        for (var i = 0; i < sels.length; i++)
+          sels[i] = contractSelection(sels[i]);
+        cm.setSelections(sels);
+      } else if (type == "both") {
+        cm.replaceSelection(left + right, null);
+        cm.triggerElectric(left + right);
+        moveSel(cm, -1)
+      } else if (type == "addFour") {
+        cm.replaceSelection(left + left + left + left, "before");
+        moveSel(cm, 1)
+      }
+    });
+  }
+
   function charsAround(cm, pos) {
     var str = cm.getRange(Pos(pos.line, pos.ch - 1),
                           Pos(pos.line, pos.ch + 1));
     return str.length == 2 ? str : null;
   }
 
-  // Project the token type that will exists after the given char is
-  // typed, and use it to determine whether it would cause the start
-  // of a string token.
-  function enteringString(cm, pos, ch) {
-    var line = cm.getLine(pos.line);
-    var token = cm.getTokenAt(pos);
-    if (/\bstring2?\b/.test(token.type)) return false;
-    var stream = new CodeMirror.StringStream(line.slice(0, pos.ch) + ch + line.slice(pos.ch), 4);
-    stream.pos = stream.start = token.start;
-    for (;;) {
-      var type1 = cm.getMode().token(stream, token.state);
-      if (stream.pos >= pos.ch + 1) return /\bstring2?\b/.test(type1);
-      stream.start = stream.pos;
-    }
-  }
-
-  function buildKeymap(pairs, triples) {
-    var map = {
-      name : "autoCloseBrackets",
-      Backspace: function(cm) {
-        if (cm.getOption("disableInput")) return CodeMirror.Pass;
-        var ranges = cm.listSelections();
-        for (var i = 0; i < ranges.length; i++) {
-          if (!ranges[i].empty()) return CodeMirror.Pass;
-          var around = charsAround(cm, ranges[i].head);
-          if (!around || pairs.indexOf(around) % 2 != 0) return CodeMirror.Pass;
-        }
-        for (var i = ranges.length - 1; i >= 0; i--) {
-          var cur = ranges[i].head;
-          cm.replaceRange("", Pos(cur.line, cur.ch - 1), Pos(cur.line, cur.ch + 1));
-        }
-      }
-    };
-    var closingBrackets = "";
-    for (var i = 0; i < pairs.length; i += 2) (function(left, right) {
-      closingBrackets += right;
-      map["'" + left + "'"] = function(cm) {
-        if (cm.getOption("disableInput")) return CodeMirror.Pass;
-        var ranges = cm.listSelections(), type, next;
-        for (var i = 0; i < ranges.length; i++) {
-          var range = ranges[i], cur = range.head, curType;
-          var next = cm.getRange(cur, Pos(cur.line, cur.ch + 1));
-          if (!range.empty()) {
-            curType = "surround";
-          } else if (left == right && next == right) {
-            if (cm.getRange(cur, Pos(cur.line, cur.ch + 3)) == left + left + left)
-              curType = "skipThree";
-            else
-              curType = "skip";
-          } else if (left == right && cur.ch > 1 && triples.indexOf(left) >= 0 &&
-                     cm.getRange(Pos(cur.line, cur.ch - 2), cur) == left + left &&
-                     (cur.ch <= 2 || cm.getRange(Pos(cur.line, cur.ch - 3), Pos(cur.line, cur.ch - 2)) != left)) {
-            curType = "addFour";
-          } else if (left == '"' || left == "'") {
-            if (!CodeMirror.isWordChar(next) && enteringString(cm, cur, left)) curType = "both";
-            else return CodeMirror.Pass;
-          } else if (cm.getLine(cur.line).length == cur.ch || closingBrackets.indexOf(next) >= 0 || SPACE_CHAR_REGEX.test(next)) {
-            curType = "both";
-          } else {
-            return CodeMirror.Pass;
-          }
-          if (!type) type = curType;
-          else if (type != curType) return CodeMirror.Pass;
-        }
-
-        cm.operation(function() {
-          if (type == "skip") {
-            cm.execCommand("goCharRight");
-          } else if (type == "skipThree") {
-            for (var i = 0; i < 3; i++)
-              cm.execCommand("goCharRight");
-          } else if (type == "surround") {
-            var sels = cm.getSelections();
-            for (var i = 0; i < sels.length; i++)
-              sels[i] = left + sels[i] + right;
-            cm.replaceSelections(sels, "around");
-          } else if (type == "both") {
-            cm.replaceSelection(left + right, null);
-            cm.execCommand("goCharLeft");
-          } else if (type == "addFour") {
-            cm.replaceSelection(left + left + left + left, "before");
-            cm.execCommand("goCharRight");
-          }
-        });
-      };
-      if (left != right) map["'" + right + "'"] = function(cm) {
-        var ranges = cm.listSelections();
-        for (var i = 0; i < ranges.length; i++) {
-          var range = ranges[i];
-          if (!range.empty() ||
-              cm.getRange(range.head, Pos(range.head.line, range.head.ch + 1)) != right)
-            return CodeMirror.Pass;
-        }
-        cm.execCommand("goCharRight");
-      };
-    })(pairs.charAt(i), pairs.charAt(i + 1));
-    return map;
-  }
-
-  function buildExplodeHandler(pairs) {
-    return function(cm) {
-      if (cm.getOption("disableInput")) return CodeMirror.Pass;
-      var ranges = cm.listSelections();
-      for (var i = 0; i < ranges.length; i++) {
-        if (!ranges[i].empty()) return CodeMirror.Pass;
-        var around = charsAround(cm, ranges[i].head);
-        if (!around || pairs.indexOf(around) % 2 != 0) return CodeMirror.Pass;
-      }
-      cm.operation(function() {
-        cm.replaceSelection("\n\n", null);
-        cm.execCommand("goCharLeft");
-        ranges = cm.listSelections();
-        for (var i = 0; i < ranges.length; i++) {
-          var line = ranges[i].head.line;
-          cm.indentLine(line, null, true);
-          cm.indentLine(line + 1, null, true);
-        }
-      });
-    };
+  function stringStartsAfter(cm, pos) {
+    var token = cm.getTokenAt(Pos(pos.line, pos.ch + 1))
+    return /\bstring/.test(token.type) && token.start == pos.ch &&
+      (pos.ch == 0 || !/\bstring/.test(cm.getTokenTypeAt(pos)))
   }
 });

static/editor.md/lib/codemirror/addon/edit/closetag.js

@@ -1,5 +1,5 @@
 // CodeMirror, copyright (c) by Marijn Haverbeke and others
-// Distributed under an MIT license: http://codemirror.net/LICENSE
+// Distributed under an MIT license: https://codemirror.net/LICENSE
 
 /**
  * Tag-closer extension for CodeMirror.
@@ -21,6 +21,8 @@
  *   An array of tag names that should, when opened, cause a
  *   blank line to be added inside the tag, and the blank line and
  *   closing line to be indented.
+ * `emptyTags` (default is none)
+ *   An array of XML tag names that should be autoclosed with '/>'.
  *
  * See demos/closetag.html for a usage example.
  */
@@ -38,9 +40,9 @@
       cm.removeKeyMap("autoCloseTags");
     if (!val) return;
     var map = {name: "autoCloseTags"};
-    if (typeof val != "object" || val.whenClosing)
+    if (typeof val != "object" || val.whenClosing !== false)
       map["'/'"] = function(cm) { return autoCloseSlash(cm); };
-    if (typeof val != "object" || val.whenOpening)
+    if (typeof val != "object" || val.whenOpening !== false)
       map["'>'"] = function(cm) { return autoCloseGT(cm); };
     cm.addKeyMap(map);
   });
@@ -53,41 +55,50 @@
   function autoCloseGT(cm) {
     if (cm.getOption("disableInput")) return CodeMirror.Pass;
     var ranges = cm.listSelections(), replacements = [];
+    var opt = cm.getOption("autoCloseTags");
     for (var i = 0; i < ranges.length; i++) {
       if (!ranges[i].empty()) return CodeMirror.Pass;
       var pos = ranges[i].head, tok = cm.getTokenAt(pos);
       var inner = CodeMirror.innerMode(cm.getMode(), tok.state), state = inner.state;
-      if (inner.mode.name != "xml" || !state.tagName) return CodeMirror.Pass;
+      var tagInfo = inner.mode.xmlCurrentTag && inner.mode.xmlCurrentTag(state)
+      var tagName = tagInfo && tagInfo.name
+      if (!tagName) return CodeMirror.Pass
 
-      var opt = cm.getOption("autoCloseTags"), html = inner.mode.configuration == "html";
+      var html = inner.mode.configuration == "html";
       var dontCloseTags = (typeof opt == "object" && opt.dontCloseTags) || (html && htmlDontClose);
       var indentTags = (typeof opt == "object" && opt.indentTags) || (html && htmlIndent);
 
-      var tagName = state.tagName;
       if (tok.end > pos.ch) tagName = tagName.slice(0, tagName.length - tok.end + pos.ch);
       var lowerTagName = tagName.toLowerCase();
       // Don't process the '>' at the end of an end-tag or self-closing tag
       if (!tagName ||
           tok.type == "string" && (tok.end != pos.ch || !/[\"\']/.test(tok.string.charAt(tok.string.length - 1)) || tok.string.length == 1) ||
-          tok.type == "tag" && state.type == "closeTag" ||
-          tok.string.indexOf("/") == (tok.string.length - 1) || // match something like <someTagName />
+          tok.type == "tag" && tagInfo.close ||
+          tok.string.indexOf("/") == (pos.ch - tok.start - 1) || // match something like <someTagName />
           dontCloseTags && indexOf(dontCloseTags, lowerTagName) > -1 ||
-          closingTagExists(cm, tagName, pos, state, true))
+          closingTagExists(cm, inner.mode.xmlCurrentContext && inner.mode.xmlCurrentContext(state) || [], tagName, pos, true))
         return CodeMirror.Pass;
 
+      var emptyTags = typeof opt == "object" && opt.emptyTags;
+      if (emptyTags && indexOf(emptyTags, tagName) > -1) {
+        replacements[i] = { text: "/>", newPos: CodeMirror.Pos(pos.line, pos.ch + 2) };
+        continue;
+      }
+
       var indent = indentTags && indexOf(indentTags, lowerTagName) > -1;
       replacements[i] = {indent: indent,
                          text: ">" + (indent ? "\n\n" : "") + "</" + tagName + ">",
                          newPos: indent ? CodeMirror.Pos(pos.line + 1, 0) : CodeMirror.Pos(pos.line, pos.ch + 1)};
     }
 
+    var dontIndentOnAutoClose = (typeof opt == "object" && opt.dontIndentOnAutoClose);
     for (var i = ranges.length - 1; i >= 0; i--) {
       var info = replacements[i];
       cm.replaceRange(info.text, ranges[i].head, ranges[i].anchor, "+insert");
       var sel = cm.listSelections().slice(0);
       sel[i] = {head: info.newPos, anchor: info.newPos};
       cm.setSelections(sel);
-      if (info.indent) {
+      if (!dontIndentOnAutoClose && info.indent) {
         cm.indentLine(info.newPos.line, null, true);
         cm.indentLine(info.newPos.line + 1, null, true);
       }
@@ -97,6 +108,8 @@
   function autoCloseCurrent(cm, typingSlash) {
     var ranges = cm.listSelections(), replacements = [];
     var head = typingSlash ? "/" : "</";
+    var opt = cm.getOption("autoCloseTags");
+    var dontIndentOnAutoClose = (typeof opt == "object" && opt.dontIndentOnSlash);
     for (var i = 0; i < ranges.length; i++) {
       if (!ranges[i].empty()) return CodeMirror.Pass;
       var pos = ranges[i].head, tok = cm.getTokenAt(pos);
@@ -108,25 +121,28 @@
       // when completing in JS/CSS snippet in htmlmixed mode. Does not
       // work for other XML embedded languages (there is no general
       // way to go from a mixed mode to its current XML state).
-      if (inner.mode.name != "xml") {
-        if (cm.getMode().name == "htmlmixed" && inner.mode.name == "javascript")
-          replacements[i] = head + "script>";
-        else if (cm.getMode().name == "htmlmixed" && inner.mode.name == "css")
-          replacements[i] = head + "style>";
-        else
-          return CodeMirror.Pass;
+      var replacement, mixed = inner.mode.name != "xml" && cm.getMode().name == "htmlmixed"
+      if (mixed && inner.mode.name == "javascript") {
+        replacement = head + "script";
+      } else if (mixed && inner.mode.name == "css") {
+        replacement = head + "style";
       } else {
-        if (!state.context || !state.context.tagName ||
-            closingTagExists(cm, state.context.tagName, pos, state))
+        var context = inner.mode.xmlCurrentContext && inner.mode.xmlCurrentContext(state)
+        var top = context.length ? context[context.length - 1] : ""
+        if (!context || (context.length && closingTagExists(cm, context, top, pos)))
           return CodeMirror.Pass;
-        replacements[i] = head + state.context.tagName + ">";
+        replacement = head + top
       }
+      if (cm.getLine(pos.line).charAt(tok.end) != ">") replacement += ">";
+      replacements[i] = replacement;
     }
     cm.replaceSelections(replacements);
     ranges = cm.listSelections();
-    for (var i = 0; i < ranges.length; i++)
-      if (i == ranges.length - 1 || ranges[i].head.line < ranges[i + 1].head.line)
-        cm.indentLine(ranges[i].head.line);
+    if (!dontIndentOnAutoClose) {
+        for (var i = 0; i < ranges.length; i++)
+            if (i == ranges.length - 1 || ranges[i].head.line < ranges[i + 1].head.line)
+                cm.indentLine(ranges[i].head.line);
+    }
   }
 
   function autoCloseSlash(cm) {
@@ -145,16 +161,19 @@
 
   // If xml-fold is loaded, we use its functionality to try and verify
   // whether a given tag is actually unclosed.
-  function closingTagExists(cm, tagName, pos, state, newTag) {
+  function closingTagExists(cm, context, tagName, pos, newTag) {
     if (!CodeMirror.scanForClosingTag) return false;
     var end = Math.min(cm.lastLine() + 1, pos.line + 500);
     var nextClose = CodeMirror.scanForClosingTag(cm, pos, null, end);
     if (!nextClose || nextClose.tag != tagName) return false;
-    var cx = state.context;
     // If the immediate wrapping context contains onCx instances of
     // the same tag, a closing tag only exists if there are at least
     // that many closing tags of that type following.
-    for (var onCx = newTag ? 1 : 0; cx && cx.tagName == tagName; cx = cx.prev) ++onCx;
+    var onCx = newTag ? 1 : 0
+    for (var i = context.length - 1; i >= 0; i--) {
+      if (context[i] == tagName) ++onCx
+      else break
+    }
     pos = nextClose.to;
     for (var i = 1; i < onCx; i++) {
       var next = CodeMirror.scanForClosingTag(cm, pos, null, end);

static/editor.md/lib/codemirror/addon/edit/continuelist.js

@@ -1,5 +1,5 @@
 // CodeMirror, copyright (c) by Marijn Haverbeke and others
-// Distributed under an MIT license: http://codemirror.net/LICENSE
+// Distributed under an MIT license: https://codemirror.net/LICENSE
 
 (function(mod) {
   if (typeof exports == "object" && typeof module == "object") // CommonJS
@@ -11,41 +11,91 @@
 })(function(CodeMirror) {
   "use strict";
 
-  var listRE = /^(\s*)(>[> ]*|[*+-]\s|(\d+)\.)(\s*)/,
-      emptyListRE = /^(\s*)(>[> ]*|[*+-]|(\d+)\.)(\s*)$/,
+  var listRE = /^(\s*)(>[> ]*|[*+-] \[[x ]\]\s|[*+-]\s|(\d+)([.)]))(\s*)/,
+      emptyListRE = /^(\s*)(>[> ]*|[*+-] \[[x ]\]|[*+-]|(\d+)[.)])(\s*)$/,
       unorderedListRE = /[*+-]\s/;
 
   CodeMirror.commands.newlineAndIndentContinueMarkdownList = function(cm) {
     if (cm.getOption("disableInput")) return CodeMirror.Pass;
     var ranges = cm.listSelections(), replacements = [];
     for (var i = 0; i < ranges.length; i++) {
-      var pos = ranges[i].head, match;
-      var eolState = cm.getStateAfter(pos.line);
-      var inList = eolState.list !== false;
-      var inQuote = eolState.quote !== false;
+      var pos = ranges[i].head;
 
-      if (!ranges[i].empty() || (!inList && !inQuote) || !(match = cm.getLine(pos.line).match(listRE))) {
+      // If we're not in Markdown mode, fall back to normal newlineAndIndent
+      var eolState = cm.getStateAfter(pos.line);
+      var inner = CodeMirror.innerMode(cm.getMode(), eolState);
+      if (inner.mode.name !== "markdown") {
+        cm.execCommand("newlineAndIndent");
+        return;
+      } else {
+        eolState = inner.state;
+      }
+
+      var inList = eolState.list !== false;
+      var inQuote = eolState.quote !== 0;
+
+      var line = cm.getLine(pos.line), match = listRE.exec(line);
+      var cursorBeforeBullet = /^\s*$/.test(line.slice(0, pos.ch));
+      if (!ranges[i].empty() || (!inList && !inQuote) || !match || cursorBeforeBullet) {
         cm.execCommand("newlineAndIndent");
         return;
       }
-      if (cm.getLine(pos.line).match(emptyListRE)) {
-        cm.replaceRange("", {
+      if (emptyListRE.test(line)) {
+        var endOfQuote = inQuote && />\s*$/.test(line)
+        var endOfList = !/>\s*$/.test(line)
+        if (endOfQuote || endOfList) cm.replaceRange("", {
           line: pos.line, ch: 0
         }, {
           line: pos.line, ch: pos.ch + 1
         });
         replacements[i] = "\n";
-
       } else {
-        var indent = match[1], after = match[4];
-        var bullet = unorderedListRE.test(match[2]) || match[2].indexOf(">") >= 0
-          ? match[2]
-          : (parseInt(match[3], 10) + 1) + ".";
-
+        var indent = match[1], after = match[5];
+        var numbered = !(unorderedListRE.test(match[2]) || match[2].indexOf(">") >= 0);
+        var bullet = numbered ? (parseInt(match[3], 10) + 1) + match[4] : match[2].replace("x", " ");
         replacements[i] = "\n" + indent + bullet + after;
+
+        if (numbered) incrementRemainingMarkdownListNumbers(cm, pos);
       }
     }
 
     cm.replaceSelections(replacements);
   };
+
+  // Auto-updating Markdown list numbers when a new item is added to the
+  // middle of a list
+  function incrementRemainingMarkdownListNumbers(cm, pos) {
+    var startLine = pos.line, lookAhead = 0, skipCount = 0;
+    var startItem = listRE.exec(cm.getLine(startLine)), startIndent = startItem[1];
+
+    do {
+      lookAhead += 1;
+      var nextLineNumber = startLine + lookAhead;
+      var nextLine = cm.getLine(nextLineNumber), nextItem = listRE.exec(nextLine);
+
+      if (nextItem) {
+        var nextIndent = nextItem[1];
+        var newNumber = (parseInt(startItem[3], 10) + lookAhead - skipCount);
+        var nextNumber = (parseInt(nextItem[3], 10)), itemNumber = nextNumber;
+
+        if (startIndent === nextIndent && !isNaN(nextNumber)) {
+          if (newNumber === nextNumber) itemNumber = nextNumber + 1;
+          if (newNumber > nextNumber) itemNumber = newNumber + 1;
+          cm.replaceRange(
+            nextLine.replace(listRE, nextIndent + itemNumber + nextItem[4] + nextItem[5]),
+          {
+            line: nextLineNumber, ch: 0
+          }, {
+            line: nextLineNumber, ch: nextLine.length
+          });
+        } else {
+          if (startIndent.length > nextIndent.length) return;
+          // This doesn't run if the next line immediately indents, as it is
+          // not clear of the users intention (new indented item or same level)
+          if ((startIndent.length < nextIndent.length) && (lookAhead === 1)) return;
+          skipCount += 1;
+        }
+      }
+    } while (nextItem);
+  }
 });

static/editor.md/lib/codemirror/addon/edit/matchbrackets.js

@@ -1,5 +1,5 @@
 // CodeMirror, copyright (c) by Marijn Haverbeke and others
-// Distributed under an MIT license: http://codemirror.net/LICENSE
+// Distributed under an MIT license: https://codemirror.net/LICENSE
 
 (function(mod) {
   if (typeof exports == "object" && typeof module == "object") // CommonJS
@@ -14,17 +14,31 @@
 
   var Pos = CodeMirror.Pos;
 
-  var matching = {"(": ")>", ")": "(<", "[": "]>", "]": "[<", "{": "}>", "}": "{<"};
+  var matching = {"(": ")>", ")": "(<", "[": "]>", "]": "[<", "{": "}>", "}": "{<", "<": ">>", ">": "<<"};
 
-  function findMatchingBracket(cm, where, strict, config) {
+  function bracketRegex(config) {
+    return config && config.bracketRegex || /[(){}[\]]/
+  }
+
+  function findMatchingBracket(cm, where, config) {
     var line = cm.getLineHandle(where.line), pos = where.ch - 1;
-    var match = (pos >= 0 && matching[line.text.charAt(pos)]) || matching[line.text.charAt(++pos)];
+    var afterCursor = config && config.afterCursor
+    if (afterCursor == null)
+      afterCursor = /(^| )cm-fat-cursor($| )/.test(cm.getWrapperElement().className)
+    var re = bracketRegex(config)
+
+    // A cursor is defined as between two characters, but in in vim command mode
+    // (i.e. not insert mode), the cursor is visually represented as a
+    // highlighted box on top of the 2nd character. Otherwise, we allow matches
+    // from before or after the cursor.
+    var match = (!afterCursor && pos >= 0 && re.test(line.text.charAt(pos)) && matching[line.text.charAt(pos)]) ||
+        re.test(line.text.charAt(pos + 1)) && matching[line.text.charAt(++pos)];
     if (!match) return null;
     var dir = match.charAt(1) == ">" ? 1 : -1;
-    if (strict && (dir > 0) != (pos == where.ch)) return null;
+    if (config && config.strict && (dir > 0) != (pos == where.ch)) return null;
     var style = cm.getTokenTypeAt(Pos(where.line, pos + 1));
 
-    var found = scanForBracket(cm, Pos(where.line, pos + (dir > 0 ? 1 : 0)), dir, style || null, config);
+    var found = scanForBracket(cm, Pos(where.line, pos + (dir > 0 ? 1 : 0)), dir, style, config);
     if (found == null) return null;
     return {from: Pos(where.line, pos), to: found && found.pos,
             match: found && found.ch == match.charAt(0), forward: dir > 0};
@@ -42,7 +56,7 @@
     var maxScanLines = (config && config.maxScanLines) || 1000;
 
     var stack = [];
-    var re = config && config.bracketRegex ? config.bracketRegex : /[(){}[\]]/;
+    var re = bracketRegex(config)
     var lineEnd = dir > 0 ? Math.min(where.line + maxScanLines, cm.lastLine() + 1)
                           : Math.max(cm.firstLine() - 1, where.line - maxScanLines);
     for (var lineNo = where.line; lineNo != lineEnd; lineNo += dir) {
@@ -53,9 +67,10 @@
       if (lineNo == where.line) pos = where.ch - (dir < 0 ? 1 : 0);
       for (; pos != end; pos += dir) {
         var ch = line.charAt(pos);
-        if (re.test(ch) && (style === undefined || cm.getTokenTypeAt(Pos(lineNo, pos + 1)) == style)) {
+        if (re.test(ch) && (style === undefined ||
+                            (cm.getTokenTypeAt(Pos(lineNo, pos + 1)) || "") == (style || ""))) {
           var match = matching[ch];
-          if ((match.charAt(1) == ">") == (dir > 0)) stack.push(ch);
+          if (match && (match.charAt(1) == ">") == (dir > 0)) stack.push(ch);
           else if (!stack.length) return {pos: Pos(lineNo, pos), ch: ch};
           else stack.pop();
         }
@@ -66,11 +81,12 @@
 
   function matchBrackets(cm, autoclear, config) {
     // Disable brace matching in long lines, since it'll cause hugely slow updates
-    var maxHighlightLen = cm.state.matchBrackets.maxHighlightLineLength || 1000;
+    var maxHighlightLen = cm.state.matchBrackets.maxHighlightLineLength || 1000,
+      highlightNonMatching = config && config.highlightNonMatching;
     var marks = [], ranges = cm.listSelections();
     for (var i = 0; i < ranges.length; i++) {
-      var match = ranges[i].empty() && findMatchingBracket(cm, ranges[i].head, false, config);
-      if (match && cm.getLine(match.from.line).length <= maxHighlightLen) {
+      var match = ranges[i].empty() && findMatchingBracket(cm, ranges[i].head, config);
+      if (match && (match.match || highlightNonMatching !== false) && cm.getLine(match.from.line).length <= maxHighlightLen) {
         var style = match.match ? "CodeMirror-matchingbracket" : "CodeMirror-nonmatchingbracket";
         marks.push(cm.markText(match.from, Pos(match.from.line, match.from.ch + 1), {className: style}));
         if (match.to && cm.getLine(match.to.line).length <= maxHighlightLen)
@@ -80,7 +96,7 @@
 
     if (marks.length) {
       // Kludge to work around the IE bug from issue #1193, where text
-      // input stops going to the textare whever this fires.
+      // input stops going to the textarea whenever this fires.
       if (ie_lt8 && cm.state.focused) cm.focus();
 
       var clear = function() {
@@ -93,26 +109,50 @@
     }
   }
 
-  var currentlyHighlighted = null;
   function doMatchBrackets(cm) {
     cm.operation(function() {
-      if (currentlyHighlighted) {currentlyHighlighted(); currentlyHighlighted = null;}
-      currentlyHighlighted = matchBrackets(cm, false, cm.state.matchBrackets);
+      if (cm.state.matchBrackets.currentlyHighlighted) {
+        cm.state.matchBrackets.currentlyHighlighted();
+        cm.state.matchBrackets.currentlyHighlighted = null;
+      }
+      cm.state.matchBrackets.currentlyHighlighted = matchBrackets(cm, false, cm.state.matchBrackets);
     });
   }
 
+  function clearHighlighted(cm) {
+    if (cm.state.matchBrackets && cm.state.matchBrackets.currentlyHighlighted) {
+      cm.state.matchBrackets.currentlyHighlighted();
+      cm.state.matchBrackets.currentlyHighlighted = null;
+    }
+  }
+
   CodeMirror.defineOption("matchBrackets", false, function(cm, val, old) {
-    if (old && old != CodeMirror.Init)
+    if (old && old != CodeMirror.Init) {
       cm.off("cursorActivity", doMatchBrackets);
+      cm.off("focus", doMatchBrackets)
+      cm.off("blur", clearHighlighted)
+      clearHighlighted(cm);
+    }
     if (val) {
       cm.state.matchBrackets = typeof val == "object" ? val : {};
       cm.on("cursorActivity", doMatchBrackets);
+      cm.on("focus", doMatchBrackets)
+      cm.on("blur", clearHighlighted)
     }
   });
 
   CodeMirror.defineExtension("matchBrackets", function() {matchBrackets(this, true);});
-  CodeMirror.defineExtension("findMatchingBracket", function(pos, strict, config){
-    return findMatchingBracket(this, pos, strict, config);
+  CodeMirror.defineExtension("findMatchingBracket", function(pos, config, oldConfig){
+    // Backwards-compatibility kludge
+    if (oldConfig || typeof config == "boolean") {
+      if (!oldConfig) {
+        config = config ? {strict: true} : null
+      } else {
+        oldConfig.strict = config
+        config = oldConfig
+      }
+    }
+    return findMatchingBracket(this, pos, config)
   });
   CodeMirror.defineExtension("scanForBracket", function(pos, dir, style, config){
     return scanForBracket(this, pos, dir, style, config);

static/editor.md/lib/codemirror/addon/edit/matchtags.js

@@ -1,5 +1,5 @@
 // CodeMirror, copyright (c) by Marijn Haverbeke and others
-// Distributed under an MIT license: http://codemirror.net/LICENSE
+// Distributed under an MIT license: https://codemirror.net/LICENSE
 
 (function(mod) {
   if (typeof exports == "object" && typeof module == "object") // CommonJS

static/editor.md/lib/codemirror/addon/edit/trailingspace.js

@@ -1,5 +1,5 @@
 // CodeMirror, copyright (c) by Marijn Haverbeke and others
-// Distributed under an MIT license: http://codemirror.net/LICENSE
+// Distributed under an MIT license: https://codemirror.net/LICENSE
 
 (function(mod) {
   if (typeof exports == "object" && typeof module == "object") // CommonJS