From 320429146399b5df256e820c73516fb6435834fa Mon Sep 17 00:00:00 2001
From: azivner <adam.zivner@gmail.com>
Date: Wed, 15 Aug 2018 11:25:30 +0200
Subject: [PATCH] update codemirror to 5.39.2

---
 .../codemirror/addon/fold/xml-fold.js         |   8 +-
 .../addon/search/match-highlighter.js         |   2 +-
 src/public/libraries/codemirror/codemirror.js | 106 ++++++----
 .../libraries/codemirror/mode/clike/clike.js  |  35 +++-
 .../codemirror/mode/dockerfile/dockerfile.js  | 182 +++++++++++++---
 .../codemirror/mode/dockerfile/test.js        | 128 +++++++++++
 .../codemirror/mode/handlebars/handlebars.js  |   6 +-
 .../codemirror/mode/haskell/haskell.js        |  13 +-
 .../libraries/codemirror/mode/index.html      |   2 +-
 .../codemirror/mode/javascript/javascript.js  | 149 ++++++++-----
 .../codemirror/mode/javascript/test.js        |  59 ++++++
 .../libraries/codemirror/mode/julia/julia.js  |  24 ++-
 .../codemirror/mode/markdown/markdown.js      |  31 ++-
 .../codemirror/mode/markdown/test.js          |  19 ++
 .../mode/mathematica/mathematica.js           |   4 +-
 src/public/libraries/codemirror/mode/meta.js  |  11 +-
 .../codemirror/mode/mllike/mllike.js          | 198 ++++++++++++++----
 .../codemirror/mode/nginx/index.html          |   4 +-
 .../libraries/codemirror/mode/nsis/nsis.js    |   4 +-
 .../codemirror/mode/pascal/pascal.js          |  18 +-
 .../codemirror/mode/python/index.html         |   9 +
 .../codemirror/mode/python/python.js          | 113 ++++++++--
 .../libraries/codemirror/mode/python/test.js  |   5 +-
 .../libraries/codemirror/mode/shell/shell.js  |  23 +-
 .../libraries/codemirror/mode/shell/test.js   |   9 +
 .../libraries/codemirror/mode/soy/soy.js      |  15 +-
 .../libraries/codemirror/mode/soy/test.js     |   7 +
 .../libraries/codemirror/mode/sql/sql.js      |  38 ++--
 .../libraries/codemirror/mode/stex/index.html |   6 +
 .../libraries/codemirror/mode/stex/stex.js    |  19 +-
 .../libraries/codemirror/mode/stex/test.js    |   9 +
 .../codemirror/mode/stylus/stylus.js          |   2 +-
 .../codemirror/mode/velocity/velocity.js      |   2 +-
 .../libraries/codemirror/mode/xml/xml.js      |   3 +-
 .../libraries/codemirror/mode/yaml/yaml.js    |   3 +-
 35 files changed, 1001 insertions(+), 265 deletions(-)
 create mode 100644 src/public/libraries/codemirror/mode/dockerfile/test.js

diff --git a/src/public/libraries/codemirror/addon/fold/xml-fold.js b/src/public/libraries/codemirror/addon/fold/xml-fold.js
index 3acf952d9..867ecb5cb 100644
--- a/src/public/libraries/codemirror/addon/fold/xml-fold.js
+++ b/src/public/libraries/codemirror/addon/fold/xml-fold.js
@@ -137,12 +137,14 @@
   CodeMirror.registerHelper("fold", "xml", function(cm, start) {
     var iter = new Iter(cm, start.line, 0);
     for (;;) {
-      var openTag = toNextTag(iter), end;
-      if (!openTag || !(end = toTagEnd(iter)) || iter.line != start.line) return;
+      var openTag = toNextTag(iter)
+      if (!openTag || iter.line != start.line) return
+      var end = toTagEnd(iter)
+      if (!end) return
       if (!openTag[1] && end != "selfClose") {
         var startPos = Pos(iter.line, iter.ch);
         var endPos = findMatchingClose(iter, openTag[2]);
-        return endPos && {from: startPos, to: endPos.from};
+        return endPos && cmp(endPos.from, startPos) > 0 ? {from: startPos, to: endPos.from} : null
       }
     }
   });
diff --git a/src/public/libraries/codemirror/addon/search/match-highlighter.js b/src/public/libraries/codemirror/addon/search/match-highlighter.js
index 352217117..260cdeb2a 100644
--- a/src/public/libraries/codemirror/addon/search/match-highlighter.js
+++ b/src/public/libraries/codemirror/addon/search/match-highlighter.js
@@ -90,7 +90,7 @@
     var state = cm.state.matchHighlighter;
     cm.addOverlay(state.overlay = makeOverlay(query, hasBoundary, style));
     if (state.options.annotateScrollbar && cm.showMatchesOnScrollbar) {
-      var searchFor = hasBoundary ? new RegExp("\\b" + query.replace(/[\\\[+*?(){|^$]/g, "\\$&") + "\\b") : query;
+      var searchFor = hasBoundary ? new RegExp("\\b" + query.replace(/[\\\[.+*?(){|^$]/g, "\\$&") + "\\b") : query;
       state.matchesonscroll = cm.showMatchesOnScrollbar(searchFor, false,
         {className: "CodeMirror-selection-highlight-scrollbar"});
     }
diff --git a/src/public/libraries/codemirror/codemirror.js b/src/public/libraries/codemirror/codemirror.js
index e942fe637..68a109bf0 100644
--- a/src/public/libraries/codemirror/codemirror.js
+++ b/src/public/libraries/codemirror/codemirror.js
@@ -746,6 +746,16 @@ function collapsedSpanAtSide(line, start) {
 function collapsedSpanAtStart(line) { return collapsedSpanAtSide(line, true) }
 function collapsedSpanAtEnd(line) { return collapsedSpanAtSide(line, false) }
 
+function collapsedSpanAround(line, ch) {
+  var sps = sawCollapsedSpans && line.markedSpans, found
+  if (sps) { for (var i = 0; i < sps.length; ++i) {
+    var sp = sps[i]
+    if (sp.marker.collapsed && (sp.from == null || sp.from < ch) && (sp.to == null || sp.to > ch) &&
+        (!found || compareCollapsedMarkers(found, sp.marker) < 0)) { found = sp.marker }
+  } }
+  return found
+}
+
 // Test whether there exists a collapsed span that partially
 // overlaps (covers the start or end, but not both) of a new span.
 // Such overlap is not allowed.
@@ -2778,12 +2788,11 @@ function coordsChar(cm, x, y) {
   var lineObj = getLine(doc, lineN)
   for (;;) {
     var found = coordsCharInner(cm, lineObj, lineN, x, y)
-    var merged = collapsedSpanAtEnd(lineObj)
-    var mergedPos = merged && merged.find(0, true)
-    if (merged && (found.ch > mergedPos.from.ch || found.ch == mergedPos.from.ch && found.xRel > 0))
-      { lineN = lineNo(lineObj = mergedPos.to.line) }
-    else
-      { return found }
+    var collapsed = collapsedSpanAround(lineObj, found.ch + (found.xRel > 0 ? 1 : 0))
+    if (!collapsed) { return found }
+    var rangeEnd = collapsed.find(1)
+    if (rangeEnd.line == lineN) { return rangeEnd }
+    lineObj = getLine(doc, lineN = rangeEnd.line)
   }
 }
 
@@ -3543,6 +3552,7 @@ var NativeScrollbars = function(place, scroll, cm) {
   this.cm = cm
   var vert = this.vert = elt("div", [elt("div", null, null, "min-width: 1px")], "CodeMirror-vscrollbar")
   var horiz = this.horiz = elt("div", [elt("div", null, null, "height: 100%; min-height: 1px")], "CodeMirror-hscrollbar")
+  vert.tabIndex = horiz.tabIndex = -1
   place(vert); place(horiz)
 
   on(vert, "scroll", function () {
@@ -4783,7 +4793,7 @@ function addChangeToHistory(doc, change, selAfter, opId) {
 
   if ((hist.lastOp == opId ||
        hist.lastOrigin == change.origin && change.origin &&
-       ((change.origin.charAt(0) == "+" && doc.cm && hist.lastModTime > time - doc.cm.options.historyEventDelay) ||
+       ((change.origin.charAt(0) == "+" && hist.lastModTime > time - (doc.cm ? doc.cm.options.historyEventDelay : 500)) ||
         change.origin.charAt(0) == "*")) &&
       (cur = lastChangeEvent(hist, hist.lastOp == opId))) {
     // Merge this change into the last event
@@ -5684,7 +5694,7 @@ LineWidget.prototype.changed = function () {
   this.height = null
   var diff = widgetHeight(this) - oldH
   if (!diff) { return }
-  updateLineHeight(line, line.height + diff)
+  if (!lineIsHidden(this.doc, line)) { updateLineHeight(line, line.height + diff) }
   if (cm) {
     runInOp(cm, function () {
       cm.curOp.forceUpdate = true
@@ -6567,8 +6577,6 @@ function registerGlobalHandlers() {
 // Called when the window resizes
 function onResize(cm) {
   var d = cm.display
-  if (d.lastWrapHeight == d.wrapper.clientHeight && d.lastWrapWidth == d.wrapper.clientWidth)
-    { return }
   // Might be a text scaling operation, clear size caches.
   d.cachedCharWidth = d.cachedTextHeight = d.cachedPaddingH = null
   d.scrollbarsClipped = false
@@ -6614,7 +6622,7 @@ keyMap.pcDefault = {
   "Ctrl-G": "findNext", "Shift-Ctrl-G": "findPrev", "Shift-Ctrl-F": "replace", "Shift-Ctrl-R": "replaceAll",
   "Ctrl-[": "indentLess", "Ctrl-]": "indentMore",
   "Ctrl-U": "undoSelection", "Shift-Ctrl-U": "redoSelection", "Alt-U": "redoSelection",
-  fallthrough: "basic"
+  "fallthrough": "basic"
 }
 // Very basic readline/emacs-style bindings, which are standard on Mac.
 keyMap.emacsy = {
@@ -6632,7 +6640,7 @@ keyMap.macDefault = {
   "Cmd-G": "findNext", "Shift-Cmd-G": "findPrev", "Cmd-Alt-F": "replace", "Shift-Cmd-Alt-F": "replaceAll",
   "Cmd-[": "indentLess", "Cmd-]": "indentMore", "Cmd-Backspace": "delWrappedLineLeft", "Cmd-Delete": "delWrappedLineRight",
   "Cmd-U": "undoSelection", "Shift-Cmd-U": "redoSelection", "Ctrl-Up": "goDocStart", "Ctrl-Down": "goDocEnd",
-  fallthrough: ["basic", "emacsy"]
+  "fallthrough": ["basic", "emacsy"]
 }
 keyMap["default"] = mac ? keyMap.macDefault : keyMap.pcDefault
 
@@ -7312,8 +7320,8 @@ function leftButtonStartDrag(cm, event, pos, behavior) {
   var dragEnd = operation(cm, function (e) {
     if (webkit) { display.scroller.draggable = false }
     cm.state.draggingText = false
-    off(document, "mouseup", dragEnd)
-    off(document, "mousemove", mouseMove)
+    off(display.wrapper.ownerDocument, "mouseup", dragEnd)
+    off(display.wrapper.ownerDocument, "mousemove", mouseMove)
     off(display.scroller, "dragstart", dragStart)
     off(display.scroller, "drop", dragEnd)
     if (!moved) {
@@ -7322,7 +7330,7 @@ function leftButtonStartDrag(cm, event, pos, behavior) {
         { extendSelection(cm.doc, pos, null, null, behavior.extend) }
       // Work around unexplainable focus problem in IE9 (#2127) and Chrome (#3081)
       if (webkit || ie && ie_version == 9)
-        { setTimeout(function () {document.body.focus(); display.input.focus()}, 20) }
+        { setTimeout(function () {display.wrapper.ownerDocument.body.focus(); display.input.focus()}, 20) }
       else
         { display.input.focus() }
     }
@@ -7337,8 +7345,8 @@ function leftButtonStartDrag(cm, event, pos, behavior) {
   dragEnd.copy = !behavior.moveOnDrag
   // IE's approach to draggable
   if (display.scroller.dragDrop) { display.scroller.dragDrop() }
-  on(document, "mouseup", dragEnd)
-  on(document, "mousemove", mouseMove)
+  on(display.wrapper.ownerDocument, "mouseup", dragEnd)
+  on(display.wrapper.ownerDocument, "mousemove", mouseMove)
   on(display.scroller, "dragstart", dragStart)
   on(display.scroller, "drop", dragEnd)
 
@@ -7470,19 +7478,19 @@ function leftButtonSelect(cm, event, start, behavior) {
     counter = Infinity
     e_preventDefault(e)
     display.input.focus()
-    off(document, "mousemove", move)
-    off(document, "mouseup", up)
+    off(display.wrapper.ownerDocument, "mousemove", move)
+    off(display.wrapper.ownerDocument, "mouseup", up)
     doc.history.lastSelOrigin = null
   }
 
   var move = operation(cm, function (e) {
-    if (!e_button(e)) { done(e) }
+    if (e.buttons === 0 || !e_button(e)) { done(e) }
     else { extend(e) }
   })
   var up = operation(cm, done)
   cm.state.selectingText = up
-  on(document, "mousemove", move)
-  on(document, "mouseup", up)
+  on(display.wrapper.ownerDocument, "mousemove", move)
+  on(display.wrapper.ownerDocument, "mouseup", up)
 }
 
 // Used when mouse-selecting to adjust the anchor to the proper side
@@ -7765,6 +7773,7 @@ function CodeMirror(place, options) {
 
   var doc = options.value
   if (typeof doc == "string") { doc = new Doc(doc, options.mode, null, options.lineSeparator, options.direction) }
+  else if (options.mode) { doc.modeOption = options.mode }
   this.doc = doc
 
   var input = new CodeMirror.inputStyles[options.inputStyle](this)
@@ -8755,8 +8764,12 @@ ContentEditableInput.prototype.showSelection = function (info, takeFocus) {
   this.showMultipleSelections(info)
 };
 
+ContentEditableInput.prototype.getSelection = function () {
+  return this.cm.display.wrapper.ownerDocument.getSelection()
+};
+
 ContentEditableInput.prototype.showPrimarySelection = function () {
-  var sel = window.getSelection(), cm = this.cm, prim = cm.doc.sel.primary()
+  var sel = this.getSelection(), cm = this.cm, prim = cm.doc.sel.primary()
   var from = prim.from(), to = prim.to()
 
   if (cm.display.viewTo == cm.display.viewFrom || from.line >= cm.display.viewTo || to.line < cm.display.viewFrom) {
@@ -8823,13 +8836,13 @@ ContentEditableInput.prototype.showMultipleSelections = function (info) {
 };
 
 ContentEditableInput.prototype.rememberSelection = function () {
-  var sel = window.getSelection()
+  var sel = this.getSelection()
   this.lastAnchorNode = sel.anchorNode; this.lastAnchorOffset = sel.anchorOffset
   this.lastFocusNode = sel.focusNode; this.lastFocusOffset = sel.focusOffset
 };
 
 ContentEditableInput.prototype.selectionInEditor = function () {
-  var sel = window.getSelection()
+  var sel = this.getSelection()
   if (!sel.rangeCount) { return false }
   var node = sel.getRangeAt(0).commonAncestorContainer
   return contains(this.div, node)
@@ -8864,14 +8877,14 @@ ContentEditableInput.prototype.receivedFocus = function () {
 };
 
 ContentEditableInput.prototype.selectionChanged = function () {
-  var sel = window.getSelection()
+  var sel = this.getSelection()
   return sel.anchorNode != this.lastAnchorNode || sel.anchorOffset != this.lastAnchorOffset ||
     sel.focusNode != this.lastFocusNode || sel.focusOffset != this.lastFocusOffset
 };
 
 ContentEditableInput.prototype.pollSelection = function () {
   if (this.readDOMTimeout != null || this.gracePeriod || !this.selectionChanged()) { return }
-  var sel = window.getSelection(), cm = this.cm
+  var sel = this.getSelection(), cm = this.cm
   // On Android Chrome (version 56, at least), backspacing into an
   // uneditable block element will put the cursor in that element,
   // and then, because it's not editable, hide the virtual keyboard.
@@ -9005,7 +9018,7 @@ ContentEditableInput.prototype.setUneditable = function (node) {
 };
 
 ContentEditableInput.prototype.onKeyPress = function (e) {
-  if (e.charCode == 0) { return }
+  if (e.charCode == 0 || this.composing) { return }
   e.preventDefault()
   if (!this.cm.isReadOnly())
     { operation(this.cm, applyTextInput)(this.cm, String.fromCharCode(e.charCode == null ? e.keyCode : e.charCode), 0) }
@@ -9045,12 +9058,13 @@ function isInGutter(node) {
 function badPos(pos, bad) { if (bad) { pos.bad = true; } return pos }
 
 function domTextBetween(cm, from, to, fromLine, toLine) {
-  var text = "", closing = false, lineSep = cm.doc.lineSeparator()
+  var text = "", closing = false, lineSep = cm.doc.lineSeparator(), extraLinebreak = false
   function recognizeMarker(id) { return function (marker) { return marker.id == id; } }
   function close() {
     if (closing) {
       text += lineSep
-      closing = false
+      if (extraLinebreak) { text += lineSep }
+      closing = extraLinebreak = false
     }
   }
   function addText(str) {
@@ -9062,8 +9076,8 @@ function domTextBetween(cm, from, to, fromLine, toLine) {
   function walk(node) {
     if (node.nodeType == 1) {
       var cmText = node.getAttribute("cm-text")
-      if (cmText != null) {
-        addText(cmText || node.textContent.replace(/\u200b/g, ""))
+      if (cmText) {
+        addText(cmText)
         return
       }
       var markerID = node.getAttribute("cm-marker"), range
@@ -9074,19 +9088,24 @@ function domTextBetween(cm, from, to, fromLine, toLine) {
         return
       }
       if (node.getAttribute("contenteditable") == "false") { return }
-      var isBlock = /^(pre|div|p)$/i.test(node.nodeName)
+      var isBlock = /^(pre|div|p|li|table|br)$/i.test(node.nodeName)
+      if (!/^br$/i.test(node.nodeName) && node.textContent.length == 0) { return }
+
       if (isBlock) { close() }
       for (var i = 0; i < node.childNodes.length; i++)
         { walk(node.childNodes[i]) }
+
+      if (/^(pre|p)$/i.test(node.nodeName)) { extraLinebreak = true }
       if (isBlock) { closing = true }
     } else if (node.nodeType == 3) {
-      addText(node.nodeValue)
+      addText(node.nodeValue.replace(/\u200b/g, "").replace(/\u00a0/g, " "))
     }
   }
   for (;;) {
     walk(from)
     if (from == to) { break }
     from = from.nextSibling
+    extraLinebreak = false
   }
   return text
 }
@@ -9187,13 +9206,10 @@ TextareaInput.prototype.init = function (display) {
     var this$1 = this;
 
   var input = this, cm = this.cm
+  this.createField(display)
+  var te = this.textarea
 
-  // Wraps and hides input textarea
-  var div = this.wrapper = hiddenTextarea()
-  // The semihidden textarea that is focused when the editor is
-  // focused, and receives input.
-  var te = this.textarea = div.firstChild
-  display.wrapper.insertBefore(div, display.wrapper.firstChild)
+  display.wrapper.insertBefore(this.wrapper, display.wrapper.firstChild)
 
   // Needed to hide big blue blinking cursor on Mobile Safari (doesn't seem to work in iOS 8 anymore)
   if (ios) { te.style.width = "0px" }
@@ -9260,6 +9276,14 @@ TextareaInput.prototype.init = function (display) {
   })
 };
 
+TextareaInput.prototype.createField = function (_display) {
+  // Wraps and hides input textarea
+  this.wrapper = hiddenTextarea()
+  // The semihidden textarea that is focused when the editor is
+  // focused, and receives input.
+  this.textarea = this.wrapper.firstChild
+};
+
 TextareaInput.prototype.prepareSelection = function () {
   // Redraw the selection and/or cursor
   var cm = this.cm, display = cm.display, doc = cm.doc
@@ -9653,7 +9677,7 @@ CodeMirror.fromTextArea = fromTextArea
 
 addLegacyProps(CodeMirror)
 
-CodeMirror.version = "5.35.0"
+CodeMirror.version = "5.39.2"
 
 return CodeMirror;
 
diff --git a/src/public/libraries/codemirror/mode/clike/clike.js b/src/public/libraries/codemirror/mode/clike/clike.js
index 770642906..dec87a474 100644
--- a/src/public/libraries/codemirror/mode/clike/clike.js
+++ b/src/public/libraries/codemirror/mode/clike/clike.js
@@ -216,15 +216,15 @@ CodeMirror.defineMode("clike", function(config, parserConfig) {
     indent: function(state, textAfter) {
       if (state.tokenize != tokenBase && state.tokenize != null || state.typeAtEndOfLine) return CodeMirror.Pass;
       var ctx = state.context, firstChar = textAfter && textAfter.charAt(0);
+      var closing = firstChar == ctx.type;
       if (ctx.type == "statement" && firstChar == "}") ctx = ctx.prev;
       if (parserConfig.dontIndentStatements)
         while (ctx.type == "statement" && parserConfig.dontIndentStatements.test(ctx.info))
           ctx = ctx.prev
       if (hooks.indent) {
-        var hook = hooks.indent(state, ctx, textAfter);
+        var hook = hooks.indent(state, ctx, textAfter, indentUnit);
         if (typeof hook == "number") return hook
       }
-      var closing = firstChar == ctx.type;
       var switchBlock = ctx.prev && ctx.prev.info == "switch";
       if (parserConfig.allmanIndentation && /[{(]/.test(firstChar)) {
         while (ctx.type != "top" && ctx.type != "}") ctx = ctx.prev
@@ -374,7 +374,7 @@ CodeMirror.defineMode("clike", function(config, parserConfig) {
     blockKeywords: words("case do else for if switch while struct"),
     defKeywords: words("struct"),
     typeFirstDefinitions: true,
-    atoms: words("null true false"),
+    atoms: words("NULL true false"),
     hooks: {"#": cppHook, "*": pointerHook},
     modeProps: {fold: ["brace", "include"]}
   });
@@ -390,7 +390,7 @@ CodeMirror.defineMode("clike", function(config, parserConfig) {
     blockKeywords: words("catch class do else finally for if struct switch try while"),
     defKeywords: words("class namespace struct enum union"),
     typeFirstDefinitions: true,
-    atoms: words("true false null"),
+    atoms: words("true false NULL"),
     dontIndentStatements: /^template$/,
     isIdentifierChar: /[\w\$_~\xa1-\uffff]/,
     hooks: {
@@ -597,34 +597,51 @@ CodeMirror.defineMode("clike", function(config, parserConfig) {
     name: "clike",
     keywords: words(
       /*keywords*/
-      "package as typealias class interface this super val " +
-      "var fun for is in This throw return " +
+      "package as typealias class interface this super val operator " +
+      "var fun for is in This throw return annotation " +
       "break continue object if else while do try when !in !is as? " +
 
       /*soft keywords*/
       "file import where by get set abstract enum open inner override private public internal " +
       "protected catch finally out final vararg reified dynamic companion constructor init " +
       "sealed field property receiver param sparam lateinit data inline noinline tailrec " +
-      "external annotation crossinline const operator infix suspend actual expect"
+      "external annotation crossinline const operator infix suspend actual expect setparam"
     ),
     types: words(
       /* package java.lang */
       "Boolean Byte Character CharSequence Class ClassLoader Cloneable Comparable " +
       "Compiler Double Exception Float Integer Long Math Number Object Package Pair Process " +
       "Runtime Runnable SecurityManager Short StackTraceElement StrictMath String " +
-      "StringBuffer System Thread ThreadGroup ThreadLocal Throwable Triple Void"
+      "StringBuffer System Thread ThreadGroup ThreadLocal Throwable Triple Void Annotation Any BooleanArray " +
+      "ByteArray Char CharArray DeprecationLevel DoubleArray Enum FloatArray Function Int IntArray Lazy " +
+      "LazyThreadSafetyMode LongArray Nothing ShortArray Unit"
     ),
     intendSwitch: false,
     indentStatements: false,
     multiLineStrings: true,
-    number: /^(?:0x[a-f\d_]+|0b[01_]+|(?:[\d_]+\.?\d*|\.\d+)(?:e[-+]?[\d_]+)?)(u|ll?|l|f)?/i,
+    number: /^(?:0x[a-f\d_]+|0b[01_]+|(?:[\d_]+(\.\d+)?|\.\d+)(?:e[-+]?[\d_]+)?)(u|ll?|l|f)?/i,
     blockKeywords: words("catch class do else finally for if where try while enum"),
     defKeywords: words("class val var object interface fun"),
     atoms: words("true false null this"),
     hooks: {
+      "@": function(stream) {
+        stream.eatWhile(/[\w\$_]/);
+        return "meta";
+      },
       '"': function(stream, state) {
         state.tokenize = tokenKotlinString(stream.match('""'));
         return state.tokenize(stream, state);
+      },
+      indent: function(state, ctx, textAfter, indentUnit) {
+        var firstChar = textAfter && textAfter.charAt(0);
+        if ((state.prevToken == "}" || state.prevToken == ")") && textAfter == "")
+          return state.indented;
+        if (state.prevToken == "operator" && textAfter != "}" ||
+          state.prevToken == "variable" && firstChar == "." ||
+          (state.prevToken == "}" || state.prevToken == ")") && firstChar == ".")
+          return indentUnit * 2 + ctx.indented;
+        if (ctx.align && ctx.type == "}")
+          return ctx.indented + (state.context.type == (textAfter || "").charAt(0) ? 0 : indentUnit);
       }
     },
     modeProps: {closeBrackets: {triples: '"'}}
diff --git a/src/public/libraries/codemirror/mode/dockerfile/dockerfile.js b/src/public/libraries/codemirror/mode/dockerfile/dockerfile.js
index 4419009af..769e787e4 100644
--- a/src/public/libraries/codemirror/mode/dockerfile/dockerfile.js
+++ b/src/public/libraries/codemirror/mode/dockerfile/dockerfile.js
@@ -11,30 +11,64 @@
 })(function(CodeMirror) {
   "use strict";
 
+  var from = "from";
+  var fromRegex = new RegExp("^(\\s*)\\b(" + from + ")\\b", "i");
+
+  var shells = ["run", "cmd", "entrypoint", "shell"];
+  var shellsAsArrayRegex = new RegExp("^(\\s*)(" + shells.join('|') + ")(\\s+\\[)", "i");
+
+  var expose = "expose";
+  var exposeRegex = new RegExp("^(\\s*)(" + expose + ")(\\s+)", "i");
+
+  var others = [
+    "arg", "from", "maintainer", "label", "env",
+    "add", "copy", "volume", "user",
+    "workdir", "onbuild", "stopsignal", "healthcheck", "shell"
+  ];
+
   // Collect all Dockerfile directives
-  var instructions = ["from", "maintainer", "run", "cmd", "expose", "env",
-                      "add", "copy", "entrypoint", "volume", "user",
-                      "workdir", "onbuild"],
+  var instructions = [from, expose].concat(shells).concat(others),
       instructionRegex = "(" + instructions.join('|') + ")",
-      instructionOnlyLine = new RegExp(instructionRegex + "\\s*$", "i"),
-      instructionWithArguments = new RegExp(instructionRegex + "(\\s+)", "i");
+      instructionOnlyLine = new RegExp("^(\\s*)" + instructionRegex + "(\\s*)(#.*)?$", "i"),
+      instructionWithArguments = new RegExp("^(\\s*)" + instructionRegex + "(\\s+)", "i");
 
   CodeMirror.defineSimpleMode("dockerfile", {
     start: [
       // Block comment: This is a line starting with a comment
       {
-        regex: /#.*$/,
+        regex: /^\s*#.*$/,
+        sol: true,
         token: "comment"
       },
+      {
+        regex: fromRegex,
+        token: [null, "keyword"],
+        sol: true,
+        next: "from"
+      },
       // Highlight an instruction without any arguments (for convenience)
       {
         regex: instructionOnlyLine,
-        token: "variable-2"
+        token: [null, "keyword", null, "error"],
+        sol: true
+      },
+      {
+        regex: shellsAsArrayRegex,
+        token: [null, "keyword", null],
+        sol: true,
+        next: "array"
+      },
+      {
+        regex: exposeRegex,
+        token: [null, "keyword", null],
+        sol: true,
+        next: "expose"
       },
       // Highlight an instruction followed by arguments
       {
         regex: instructionWithArguments,
-        token: ["variable-2", null],
+        token: [null, "keyword", null],
+        sol: true,
         next: "arguments"
       },
       {
@@ -42,26 +76,21 @@
         token: null
       }
     ],
-    arguments: [
+    from: [
+      {
+        regex: /\s*$/,
+        token: null,
+        next: "start"
+      },
       {
         // Line comment without instruction arguments is an error
-        regex: /#.*$/,
-        token: "error",
+        regex: /(\s*)(#.*)$/,
+        token: [null, "error"],
         next: "start"
       },
       {
-        regex: /[^#]+\\$/,
-        token: null
-      },
-      {
-        // Match everything except for the inline comment
-        regex: /[^#]+/,
-        token: null,
-        next: "start"
-      },
-      {
-        regex: /$/,
-        token: null,
+        regex: /(\s*\S+\s+)(as)/i,
+        token: [null, "keyword"],
         next: "start"
       },
       // Fail safe return to start
@@ -70,9 +99,112 @@
         next: "start"
       }
     ],
-      meta: {
-          lineComment: "#"
+    single: [
+      {
+        regex: /(?:[^\\']|\\.)/,
+        token: "string"
+      },
+      {
+        regex: /'/,
+        token: "string",
+        pop: true
       }
+    ],
+    double: [
+      {
+        regex: /(?:[^\\"]|\\.)/,
+        token: "string"
+      },
+      {
+        regex: /"/,
+        token: "string",
+        pop: true
+      }
+    ],
+    array: [
+      {
+        regex: /\]/,
+        token: null,
+        next: "start"
+      },
+      {
+        regex: /"(?:[^\\"]|\\.)*"?/,
+        token: "string"
+      }
+    ],
+    expose: [
+      {
+        regex: /\d+$/,
+        token: "number",
+        next: "start"
+      },
+      {
+        regex: /[^\d]+$/,
+        token: null,
+        next: "start"
+      },
+      {
+        regex: /\d+/,
+        token: "number"
+      },
+      {
+        regex: /[^\d]+/,
+        token: null
+      },
+      // Fail safe return to start
+      {
+        token: null,
+        next: "start"
+      }
+    ],
+    arguments: [
+      {
+        regex: /^\s*#.*$/,
+        sol: true,
+        token: "comment"
+      },
+      {
+        regex: /"(?:[^\\"]|\\.)*"?$/,
+        token: "string",
+        next: "start"
+      },
+      {
+        regex: /"/,
+        token: "string",
+        push: "double"
+      },
+      {
+        regex: /'(?:[^\\']|\\.)*'?$/,
+        token: "string",
+        next: "start"
+      },
+      {
+        regex: /'/,
+        token: "string",
+        push: "single"
+      },
+      {
+        regex: /[^#"']+[\\`]$/,
+        token: null
+      },
+      {
+        regex: /[^#"']+$/,
+        token: null,
+        next: "start"
+      },
+      {
+        regex: /[^#"']+/,
+        token: null
+      },
+      // Fail safe return to start
+      {
+        token: null,
+        next: "start"
+      }
+    ],
+    meta: {
+      lineComment: "#"
+    }
   });
 
   CodeMirror.defineMIME("text/x-dockerfile", "dockerfile");
diff --git a/src/public/libraries/codemirror/mode/dockerfile/test.js b/src/public/libraries/codemirror/mode/dockerfile/test.js
new file mode 100644
index 000000000..9a2b89ad2
--- /dev/null
+++ b/src/public/libraries/codemirror/mode/dockerfile/test.js
@@ -0,0 +1,128 @@
+// CodeMirror, copyright (c) by Marijn Haverbeke and others
+// Distributed under an MIT license: http://codemirror.net/LICENSE
+
+(function() {
+  var mode = CodeMirror.getMode({indentUnit: 2}, "text/x-dockerfile");
+  function MT(name) { test.mode(name, mode, Array.prototype.slice.call(arguments, 1)); }
+
+  MT("simple_nodejs_dockerfile",
+     "[keyword FROM] node:carbon",
+     "[comment # Create app directory]",
+     "[keyword WORKDIR] /usr/src/app",
+     "[comment # Install app dependencies]",
+     "[comment # A wildcard is used to ensure both package.json AND package-lock.json are copied]",
+     "[comment # where available (npm@5+)]",
+     "[keyword COPY] package*.json ./",
+     "[keyword RUN] npm install",
+     "[keyword COPY] . .",
+     "[keyword EXPOSE] [number 8080] [number 3000]",
+     "[keyword ENV] NODE_ENV development",
+     "[keyword CMD] [[ [string \"npm\"], [string \"start\"] ]]");
+
+  // Ideally the last space should not be highlighted.
+  MT("instruction_without_args_1",
+     "[keyword CMD] ");
+
+  MT("instruction_without_args_2",
+     "[comment # An instruction without args...]",
+     "[keyword ARG] [error #...is an error]");
+
+  MT("multiline",
+     "[keyword RUN] apt-get update && apt-get install -y \\",
+     "  mercurial \\",
+     "  subversion \\",
+     "  && apt-get clean \\",
+     "  && rm -rf /var/lib/apt/lists/* /tmp/* /var/tmp/*");
+
+  MT("from_comment",
+     "  [keyword FROM] debian:stretch # I tend to use stable as that is more stable",
+     "  [keyword FROM] debian:stretch [keyword AS] stable # I am even more stable",
+     " [keyword FROM] [error # this is an error]");
+
+  MT("from_as",
+     "[keyword FROM] golang:1.9.2-alpine3.6 [keyword AS] build",
+     "[keyword COPY] --from=build /bin/project /bin/project",
+     "[keyword ENTRYPOINT] [[ [string \"/bin/project\"] ]]",
+     "[keyword CMD] [[ [string \"--help\"] ]]");
+
+  MT("arg",
+     "[keyword ARG] VERSION=latest",
+     "[keyword FROM] busybox:$VERSION",
+     "[keyword ARG] VERSION",
+     "[keyword RUN] echo $VERSION > image_version");
+
+  MT("label",
+     "[keyword LABEL] com.example.label-with-value=[string \"foo\"]");
+
+  MT("label_multiline",
+     "[keyword LABEL] description=[string \"This text illustrates ]\\",
+     "[string that label-values can span multiple lines.\"]");
+
+  MT("maintainer",
+     "[keyword MAINTAINER] Foo Bar [string \"foo@bar.com\"] ",
+     "[keyword MAINTAINER] Bar Baz <bar@baz.com>");
+
+  MT("env",
+     "[keyword ENV] BUNDLE_PATH=[string \"$GEM_HOME\"] \\",
+     "  BUNDLE_APP_CONFIG=[string \"$GEM_HOME\"]");
+
+  MT("verify_keyword",
+     "[keyword RUN] add-apt-repository ppa:chris-lea/node.js");
+
+  MT("scripts",
+     "[comment # Set an entrypoint, to automatically install node modules]",
+     "[keyword ENTRYPOINT] [[ [string \"/bin/bash\"], [string \"-c\"], [string \"if [[ ! -d node_modules ]]; then npm install; fi; exec \\\"${@:0}\\\";\"] ]]",
+     "[keyword CMD] npm start",
+     "[keyword RUN] npm run build && \\",
+     "[comment # a comment between the shell commands]",
+     "  npm run test");
+
+  MT("strings_single",
+     "[keyword FROM] buildpack-deps:stretch",
+     "[keyword RUN] { \\",
+     "        echo [string 'install: --no-document']; \\",
+     "        echo [string 'update: --no-document']; \\",
+     "    } >> /usr/local/etc/gemrc");
+
+  MT("strings_single_multiline",
+     "[keyword RUN] set -ex \\",
+     "    \\",
+     "    && buildDeps=[string ' ]\\",
+     "[string        bison ]\\",
+     "[string        dpkg-dev ]\\",
+     "[string        libgdbm-dev ]\\",
+     "[string        ruby ]\\",
+     "[string    '] \\",
+     "    && apt-get update");
+
+  MT("strings_single_multiline_2",
+     "[keyword RUN] echo [string 'say \\' ]\\",
+     "[string   it works'] ");
+
+  MT("strings_double",
+     "[keyword RUN] apt-get install -y --no-install-recommends $buildDeps \\",
+     " \\",
+     " && wget -O ruby.tar.xz [string \"https://cache.ruby-lang.org/pub/ruby/${RUBY_MAJOR%-rc}/ruby-$RUBY_VERSION.tar.xz\"] \\",
+     " && echo [string \"$RUBY_DOWNLOAD_SHA256 *ruby.tar.xz\"] | sha256sum -c - ");
+
+  MT("strings_double_multiline",
+     "[keyword RUN] echo [string \"say \\\" ]\\",
+     "[string   it works\"] ");
+
+  MT("escape",
+     "[comment # escape=`]",
+     "[keyword FROM] microsoft/windowsservercore",
+     "[keyword RUN] powershell.exe -Command `",
+     "    $ErrorActionPreference = [string 'Stop']; `",
+     "    wget https://www.python.org/ftp/python/3.5.1/python-3.5.1.exe -OutFile c:\python-3.5.1.exe ; `",
+     "    Start-Process c:\python-3.5.1.exe -ArgumentList [string '/quiet InstallAllUsers=1 PrependPath=1'] -Wait ; `",
+     "    Remove-Item c:\python-3.5.1.exe -Force)");
+
+  MT("escape_strings",
+     "[comment # escape=`]",
+     "[keyword FROM] python:3.6-windowsservercore [keyword AS] python",
+     "[keyword RUN] $env:PATH = [string 'C:\\Python;C:\\Python\\Scripts;{0}'] -f $env:PATH ; `",
+     // It should not consider \' as escaped.
+     // "  Set-ItemProperty -Path [string 'HKLM:\\SYSTEM\\CurrentControlSet\\Control\\Session Manager\\Environment\\'] -Name Path -Value $env:PATH ;");
+     "  Set-ItemProperty -Path [string 'HKLM:\\SYSTEM\\CurrentControlSet\\Control\\Session Manager\\Environment\\' -Name Path -Value $env:PATH ;]");
+})();
diff --git a/src/public/libraries/codemirror/mode/handlebars/handlebars.js b/src/public/libraries/codemirror/mode/handlebars/handlebars.js
index 2174e5384..39445ebbf 100644
--- a/src/public/libraries/codemirror/mode/handlebars/handlebars.js
+++ b/src/public/libraries/codemirror/mode/handlebars/handlebars.js
@@ -46,7 +46,11 @@
     comment: [
       { regex: /\}\}/, pop: true, token: "comment" },
       { regex: /./, token: "comment" }
-    ]
+    ],
+    meta: {
+      blockCommentStart: "{{--",
+      blockCommentEnd: "--}}"
+    }
   });
 
   CodeMirror.defineMode("handlebars", function(config, parserConfig) {
diff --git a/src/public/libraries/codemirror/mode/haskell/haskell.js b/src/public/libraries/codemirror/mode/haskell/haskell.js
index 4197666a4..acc52b5c3 100644
--- a/src/public/libraries/codemirror/mode/haskell/haskell.js
+++ b/src/public/libraries/codemirror/mode/haskell/haskell.js
@@ -197,13 +197,14 @@ CodeMirror.defineMode("haskell", function(_config, modeConfig) {
       "\.\.", ":", "::", "=", "\\", "<-", "->", "@", "~", "=>");
 
     setType("builtin")(
-      "!!", "$!", "$", "&&", "+", "++", "-", ".", "/", "/=", "<", "<=", "=<<",
-      "==", ">", ">=", ">>", ">>=", "^", "^^", "||", "*", "**");
+      "!!", "$!", "$", "&&", "+", "++", "-", ".", "/", "/=", "<", "<*", "<=",
+      "<$>", "<*>", "=<<", "==", ">", ">=", ">>", ">>=", "^", "^^", "||", "*",
+      "*>", "**");
 
     setType("builtin")(
-      "Bool", "Bounded", "Char", "Double", "EQ", "Either", "Enum", "Eq",
-      "False", "FilePath", "Float", "Floating", "Fractional", "Functor", "GT",
-      "IO", "IOError", "Int", "Integer", "Integral", "Just", "LT", "Left",
+      "Applicative", "Bool", "Bounded", "Char", "Double", "EQ", "Either", "Enum",
+      "Eq", "False", "FilePath", "Float", "Floating", "Fractional", "Functor",
+      "GT", "IO", "IOError", "Int", "Integer", "Integral", "Just", "LT", "Left",
       "Maybe", "Monad", "Nothing", "Num", "Ord", "Ordering", "Rational", "Read",
       "ReadS", "Real", "RealFloat", "RealFrac", "Right", "Show", "ShowS",
       "String", "True");
@@ -223,7 +224,7 @@ CodeMirror.defineMode("haskell", function(_config, modeConfig) {
       "lcm", "length", "lex", "lines", "log", "logBase", "lookup", "map",
       "mapM", "mapM_", "max", "maxBound", "maximum", "maybe", "min", "minBound",
       "minimum", "mod", "negate", "not", "notElem", "null", "odd", "or",
-      "otherwise", "pi", "pred", "print", "product", "properFraction",
+      "otherwise", "pi", "pred", "print", "product", "properFraction", "pure",
       "putChar", "putStr", "putStrLn", "quot", "quotRem", "read", "readFile",
       "readIO", "readList", "readLn", "readParen", "reads", "readsPrec",
       "realToFrac", "recip", "rem", "repeat", "replicate", "return", "reverse",
diff --git a/src/public/libraries/codemirror/mode/index.html b/src/public/libraries/codemirror/mode/index.html
index eee26fad0..ccabf88be 100644
--- a/src/public/libraries/codemirror/mode/index.html
+++ b/src/public/libraries/codemirror/mode/index.html
@@ -80,7 +80,7 @@ option.</p>
       <li><a href="javascript/index.html">JavaScript</a> (<a href="jsx/index.html">JSX</a>)</li>
       <li><a href="jinja2/index.html">Jinja2</a></li>
       <li><a href="julia/index.html">Julia</a></li>
-      <li><a href="kotlin/index.html">Kotlin</a></li>
+      <li><a href="clike/index.html">Kotlin</a></li>
       <li><a href="css/less.html">LESS</a></li>
       <li><a href="livescript/index.html">LiveScript</a></li>
       <li><a href="lua/index.html">Lua</a></li>
diff --git a/src/public/libraries/codemirror/mode/javascript/javascript.js b/src/public/libraries/codemirror/mode/javascript/javascript.js
index 7cdf72023..64fefcf2b 100644
--- a/src/public/libraries/codemirror/mode/javascript/javascript.js
+++ b/src/public/libraries/codemirror/mode/javascript/javascript.js
@@ -75,17 +75,10 @@ CodeMirror.defineMode("javascript", function(config, parserConfig) {
       return ret(ch);
     } else if (ch == "=" && stream.eat(">")) {
       return ret("=>", "operator");
-    } else if (ch == "0" && stream.eat(/x/i)) {
-      stream.eatWhile(/[\da-f]/i);
-      return ret("number", "number");
-    } else if (ch == "0" && stream.eat(/o/i)) {
-      stream.eatWhile(/[0-7]/i);
-      return ret("number", "number");
-    } else if (ch == "0" && stream.eat(/b/i)) {
-      stream.eatWhile(/[01]/i);
+    } else if (ch == "0" && stream.match(/^(?:x[\da-f]+|o[0-7]+|b[01]+)n?/i)) {
       return ret("number", "number");
     } else if (/\d/.test(ch)) {
-      stream.match(/^\d*(?:\.\d*)?(?:[eE][+\-]?\d+)?/);
+      stream.match(/^\d*(?:n|(?:\.\d*)?(?:[eE][+\-]?\d+)?)?/);
       return ret("number", "number");
     } else if (ch == "/") {
       if (stream.eat("*")) {
@@ -96,7 +89,7 @@ CodeMirror.defineMode("javascript", function(config, parserConfig) {
         return ret("comment", "comment");
       } else if (expressionAllowed(stream, state, 1)) {
         readRegexp(stream);
-        stream.match(/^\b(([gimyu])(?![gimyu]*\2))+\b/);
+        stream.match(/^\b(([gimyus])(?![gimyus]*\2))+\b/);
         return ret("regexp", "string-2");
       } else {
         stream.eat("=");
@@ -126,7 +119,7 @@ CodeMirror.defineMode("javascript", function(config, parserConfig) {
           var kw = keywords[word]
           return ret(kw.type, kw.style, word)
         }
-        if (word == "async" && stream.match(/^(\s|\/\*.*?\*\/)*[\(\w]/, false))
+        if (word == "async" && stream.match(/^(\s|\/\*.*?\*\/)*[\[\(\w]/, false))
           return ret("async", "keyword", word)
       }
       return ret("variable", "variable", word)
@@ -265,21 +258,42 @@ CodeMirror.defineMode("javascript", function(config, parserConfig) {
     pass.apply(null, arguments);
     return true;
   }
+  function inList(name, list) {
+    for (var v = list; v; v = v.next) if (v.name == name) return true
+    return false;
+  }
   function register(varname) {
-    function inList(list) {
-      for (var v = list; v; v = v.next)
-        if (v.name == varname) return true;
-      return false;
-    }
     var state = cx.state;
     cx.marked = "def";
     if (state.context) {
-      if (inList(state.localVars)) return;
-      state.localVars = {name: varname, next: state.localVars};
+      if (state.lexical.info == "var" && state.context && state.context.block) {
+        // FIXME function decls are also not block scoped
+        var newContext = registerVarScoped(varname, state.context)
+        if (newContext != null) {
+          state.context = newContext
+          return
+        }
+      } else if (!inList(varname, state.localVars)) {
+        state.localVars = new Var(varname, state.localVars)
+        return
+      }
+    }
+    // Fall through means this is global
+    if (parserConfig.globalVars && !inList(varname, state.globalVars))
+      state.globalVars = new Var(varname, state.globalVars)
+  }
+  function registerVarScoped(varname, context) {
+    if (!context) {
+      return null
+    } else if (context.block) {
+      var inner = registerVarScoped(varname, context.prev)
+      if (!inner) return null
+      if (inner == context.prev) return context
+      return new Context(inner, context.vars, true)
+    } else if (inList(varname, context.vars)) {
+      return context
     } else {
-      if (inList(state.globalVars)) return;
-      if (parserConfig.globalVars)
-        state.globalVars = {name: varname, next: state.globalVars};
+      return new Context(context.prev, new Var(varname, context.vars), false)
     }
   }
 
@@ -289,15 +303,23 @@ CodeMirror.defineMode("javascript", function(config, parserConfig) {
 
   // Combinators
 
-  var defaultVars = {name: "this", next: {name: "arguments"}};
+  function Context(prev, vars, block) { this.prev = prev; this.vars = vars; this.block = block }
+  function Var(name, next) { this.name = name; this.next = next }
+
+  var defaultVars = new Var("this", new Var("arguments", null))
   function pushcontext() {
-    cx.state.context = {prev: cx.state.context, vars: cx.state.localVars};
-    cx.state.localVars = defaultVars;
+    cx.state.context = new Context(cx.state.context, cx.state.localVars, false)
+    cx.state.localVars = defaultVars
+  }
+  function pushblockcontext() {
+    cx.state.context = new Context(cx.state.context, cx.state.localVars, true)
+    cx.state.localVars = null
   }
   function popcontext() {
-    cx.state.localVars = cx.state.context.vars;
-    cx.state.context = cx.state.context.prev;
+    cx.state.localVars = cx.state.context.vars
+    cx.state.context = cx.state.context.prev
   }
+  popcontext.lex = true
   function pushlex(type, info) {
     var result = function() {
       var state = cx.state, indent = state.indented;
@@ -322,19 +344,19 @@ CodeMirror.defineMode("javascript", function(config, parserConfig) {
   function expect(wanted) {
     function exp(type) {
       if (type == wanted) return cont();
-      else if (wanted == ";") return pass();
+      else if (wanted == ";" || type == "}" || type == ")" || type == "]") return pass();
       else return cont(exp);
     };
     return exp;
   }
 
   function statement(type, value) {
-    if (type == "var") return cont(pushlex("vardef", value.length), vardef, expect(";"), poplex);
+    if (type == "var") return cont(pushlex("vardef", value), vardef, expect(";"), poplex);
     if (type == "keyword a") return cont(pushlex("form"), parenExpr, statement, poplex);
     if (type == "keyword b") return cont(pushlex("form"), statement, poplex);
     if (type == "keyword d") return cx.stream.match(/^\s*$/, false) ? cont() : cont(pushlex("stat"), maybeexpression, expect(";"), poplex);
     if (type == "debugger") return cont(expect(";"));
-    if (type == "{") return cont(pushlex("}"), block, poplex);
+    if (type == "{") return cont(pushlex("}"), pushblockcontext, block, poplex, popcontext);
     if (type == ";") return cont();
     if (type == "if") {
       if (cx.state.lexical.info == "else" && cx.state.cc[cx.state.cc.length - 1] == poplex)
@@ -345,34 +367,38 @@ CodeMirror.defineMode("javascript", function(config, parserConfig) {
     if (type == "for") return cont(pushlex("form"), forspec, statement, poplex);
     if (type == "class" || (isTS && value == "interface")) { cx.marked = "keyword"; return cont(pushlex("form"), className, poplex); }
     if (type == "variable") {
-      if (isTS && value == "type") {
-        cx.marked = "keyword"
-        return cont(typeexpr, expect("operator"), typeexpr, expect(";"));
-      } else if (isTS && value == "declare") {
+      if (isTS && value == "declare") {
         cx.marked = "keyword"
         return cont(statement)
-      } else if (isTS && (value == "module" || value == "enum") && cx.stream.match(/^\s*\w/, false)) {
+      } else if (isTS && (value == "module" || value == "enum" || value == "type") && cx.stream.match(/^\s*\w/, false)) {
         cx.marked = "keyword"
-        return cont(pushlex("form"), pattern, expect("{"), pushlex("}"), block, poplex, poplex)
+        if (value == "enum") return cont(enumdef);
+        else if (value == "type") return cont(typeexpr, expect("operator"), typeexpr, expect(";"));
+        else return cont(pushlex("form"), pattern, expect("{"), pushlex("}"), block, poplex, poplex)
       } else if (isTS && value == "namespace") {
         cx.marked = "keyword"
         return cont(pushlex("form"), expression, block, poplex)
+      } else if (isTS && value == "abstract") {
+        cx.marked = "keyword"
+        return cont(statement)
       } else {
         return cont(pushlex("stat"), maybelabel);
       }
     }
-    if (type == "switch") return cont(pushlex("form"), parenExpr, expect("{"), pushlex("}", "switch"),
-                                      block, poplex, poplex);
+    if (type == "switch") return cont(pushlex("form"), parenExpr, expect("{"), pushlex("}", "switch"), pushblockcontext,
+                                      block, poplex, poplex, popcontext);
     if (type == "case") return cont(expression, expect(":"));
     if (type == "default") return cont(expect(":"));
-    if (type == "catch") return cont(pushlex("form"), pushcontext, expect("("), funarg, expect(")"),
-                                     statement, poplex, popcontext);
+    if (type == "catch") return cont(pushlex("form"), pushcontext, maybeCatchBinding, statement, poplex, popcontext);
     if (type == "export") return cont(pushlex("stat"), afterExport, poplex);
     if (type == "import") return cont(pushlex("stat"), afterImport, poplex);
     if (type == "async") return cont(statement)
     if (value == "@") return cont(expression, statement)
     return pass(pushlex("stat"), expression, expect(";"), poplex);
   }
+  function maybeCatchBinding(type) {
+    if (type == "(") return cont(funarg, expect(")"))
+  }
   function expression(type, value) {
     return expressionInner(type, value, false);
   }
@@ -401,6 +427,7 @@ CodeMirror.defineMode("javascript", function(config, parserConfig) {
     if (type == "{") return contCommasep(objprop, "}", null, maybeop);
     if (type == "quasi") return pass(quasi, maybeop);
     if (type == "new") return cont(maybeTarget(noComma));
+    if (type == "import") return cont(expression);
     return cont();
   }
   function maybeexpression(type) {
@@ -560,19 +587,19 @@ CodeMirror.defineMode("javascript", function(config, parserConfig) {
     }
   }
   function typeexpr(type, value) {
+    if (value == "keyof" || value == "typeof") {
+      cx.marked = "keyword"
+      return cont(value == "keyof" ? typeexpr : expressionNoComma)
+    }
     if (type == "variable" || value == "void") {
-      if (value == "keyof") {
-        cx.marked = "keyword"
-        return cont(typeexpr)
-      } else {
-        cx.marked = "type"
-        return cont(afterType)
-      }
+      cx.marked = "type"
+      return cont(afterType)
     }
     if (type == "string" || type == "number" || type == "atom") return cont(afterType);
     if (type == "[") return cont(pushlex("]"), commasep(typeexpr, "]", ","), poplex, afterType)
     if (type == "{") return cont(pushlex("}"), commasep(typeprop, "}", ",;"), poplex, afterType)
     if (type == "(") return cont(commasep(typearg, ")"), maybeReturnType)
+    if (type == "<") return cont(commasep(typeexpr, ">"), typeexpr)
   }
   function maybeReturnType(type) {
     if (type == "=>") return cont(typeexpr)
@@ -589,13 +616,14 @@ CodeMirror.defineMode("javascript", function(config, parserConfig) {
       return cont(expression, maybetype, expect("]"), typeprop)
     }
   }
-  function typearg(type) {
-    if (type == "variable") return cont(typearg)
-    else if (type == ":") return cont(typeexpr)
+  function typearg(type, value) {
+    if (type == "variable" && cx.stream.match(/^\s*[?:]/, false) || value == "?") return cont(typearg)
+    if (type == ":") return cont(typeexpr)
+    return pass(typeexpr)
   }
   function afterType(type, value) {
     if (value == "<") return cont(pushlex(">"), commasep(typeexpr, ">"), poplex, afterType)
-    if (value == "|" || type == ".") return cont(typeexpr)
+    if (value == "|" || type == "." || value == "&") return cont(typeexpr)
     if (type == "[") return cont(expect("]"), afterType)
     if (value == "extends" || value == "implements") { cx.marked = "keyword"; return cont(typeexpr) }
   }
@@ -608,7 +636,8 @@ CodeMirror.defineMode("javascript", function(config, parserConfig) {
   function maybeTypeDefault(_, value) {
     if (value == "=") return cont(typeexpr)
   }
-  function vardef() {
+  function vardef(_, value) {
+    if (value == "enum") {cx.marked = "keyword"; return cont(enumdef)}
     return pass(pattern, maybetype, maybeAssign, vardefCont);
   }
   function pattern(type, value) {
@@ -637,7 +666,8 @@ CodeMirror.defineMode("javascript", function(config, parserConfig) {
   function maybeelse(type, value) {
     if (type == "keyword b" && value == "else") return cont(pushlex("form", "else"), statement, poplex);
   }
-  function forspec(type) {
+  function forspec(type, value) {
+    if (value == "await") return cont(forspec);
     if (type == "(") return cont(pushlex(")"), forspec1, expect(")"), poplex);
   }
   function forspec1(type) {
@@ -680,8 +710,10 @@ CodeMirror.defineMode("javascript", function(config, parserConfig) {
   }
   function classNameAfter(type, value) {
     if (value == "<") return cont(pushlex(">"), commasep(typeparam, ">"), poplex, classNameAfter)
-    if (value == "extends" || value == "implements" || (isTS && type == ","))
+    if (value == "extends" || value == "implements" || (isTS && type == ",")) {
+      if (value == "implements") cx.marked = "keyword";
       return cont(isTS ? typeexpr : expression, classNameAfter);
+    }
     if (type == "{") return cont(pushlex("}"), classBody, poplex);
   }
   function classBody(type, value) {
@@ -724,6 +756,7 @@ CodeMirror.defineMode("javascript", function(config, parserConfig) {
   }
   function afterImport(type) {
     if (type == "string") return cont();
+    if (type == "(") return pass(expression);
     return pass(importSpec, maybeMoreImports, maybeFrom);
   }
   function importSpec(type, value) {
@@ -745,6 +778,12 @@ CodeMirror.defineMode("javascript", function(config, parserConfig) {
     if (type == "]") return cont();
     return pass(commasep(expressionNoComma, "]"));
   }
+  function enumdef() {
+    return pass(pushlex("form"), pattern, expect("{"), pushlex("}"), commasep(enummember, "}"), poplex, poplex)
+  }
+  function enummember() {
+    return pass(pattern, maybeAssign);
+  }
 
   function isContinuedStatement(state, textAfter) {
     return state.lastType == "operator" || state.lastType == "," ||
@@ -768,7 +807,7 @@ CodeMirror.defineMode("javascript", function(config, parserConfig) {
         cc: [],
         lexical: new JSLexical((basecolumn || 0) - indentUnit, 0, "block", false),
         localVars: parserConfig.localVars,
-        context: parserConfig.localVars && {vars: parserConfig.localVars},
+        context: parserConfig.localVars && new Context(null, null, false),
         indented: basecolumn || 0
       };
       if (parserConfig.globalVars && typeof parserConfig.globalVars == "object")
@@ -809,7 +848,7 @@ CodeMirror.defineMode("javascript", function(config, parserConfig) {
         lexical = lexical.prev;
       var type = lexical.type, closing = firstChar == type;
 
-      if (type == "vardef") return lexical.indented + (state.lastType == "operator" || state.lastType == "," ? lexical.info + 1 : 0);
+      if (type == "vardef") return lexical.indented + (state.lastType == "operator" || state.lastType == "," ? lexical.info.length + 1 : 0);
       else if (type == "form" && firstChar == "{") return lexical.indented;
       else if (type == "form") return lexical.indented + indentUnit;
       else if (type == "stat")
diff --git a/src/public/libraries/codemirror/mode/javascript/test.js b/src/public/libraries/codemirror/mode/javascript/test.js
index 167e6d016..f8c95bf7c 100644
--- a/src/public/libraries/codemirror/mode/javascript/test.js
+++ b/src/public/libraries/codemirror/mode/javascript/test.js
@@ -63,6 +63,12 @@
   MT("import_trailing_comma",
      "[keyword import] {[def foo], [def bar],} [keyword from] [string 'baz']")
 
+  MT("import_dynamic",
+     "[keyword import]([string 'baz']).[property then]")
+
+  MT("import_dynamic",
+     "[keyword const] [def t] [operator =] [keyword import]([string 'baz']).[property then]")
+
   MT("const",
      "[keyword function] [def f]() {",
      "  [keyword const] [[ [def a], [def b] ]] [operator =] [[ [number 1], [number 2] ]];",
@@ -71,12 +77,44 @@
   MT("for/of",
      "[keyword for]([keyword let] [def of] [keyword of] [variable something]) {}");
 
+  MT("for await",
+     "[keyword for] [keyword await]([keyword let] [def of] [keyword of] [variable something]) {}");
+
   MT("generator",
      "[keyword function*] [def repeat]([def n]) {",
      "  [keyword for]([keyword var] [def i] [operator =] [number 0]; [variable-2 i] [operator <] [variable-2 n]; [operator ++][variable-2 i])",
      "    [keyword yield] [variable-2 i];",
      "}");
 
+  MT("let_scoping",
+     "[keyword function] [def scoped]([def n]) {",
+     "  { [keyword var] [def i]; } [variable-2 i];",
+     "  { [keyword let] [def j]; [variable-2 j]; } [variable j];",
+     "  [keyword if] ([atom true]) { [keyword const] [def k]; [variable-2 k]; } [variable k];",
+     "}");
+
+  MT("switch_scoping",
+     "[keyword switch] ([variable x]) {",
+     "  [keyword default]:",
+     "    [keyword let] [def j];",
+     "    [keyword return] [variable-2 j]",
+     "}",
+     "[variable j];")
+
+  MT("leaving_scope",
+     "[keyword function] [def a]() {",
+     "  {",
+     "    [keyword const] [def x] [operator =] [number 1]",
+     "    [keyword if] ([atom true]) {",
+     "      [keyword let] [def y] [operator =] [number 2]",
+     "      [keyword var] [def z] [operator =] [number 3]",
+     "      [variable console].[property log]([variable-2 x], [variable-2 y], [variable-2 z])",
+     "    }",
+     "    [variable console].[property log]([variable-2 x], [variable y], [variable-2 z])",
+     "  }",
+     "  [variable console].[property log]([variable x], [variable y], [variable-2 z])",
+     "}")
+
   MT("quotedStringAddition",
      "[keyword let] [def f] [operator =] [variable a] [operator +] [string 'fatarrow'] [operator +] [variable c];");
 
@@ -230,6 +268,8 @@
      "[keyword const] [def async] [operator =] {[property a]: [number 1]};",
      "[keyword const] [def foo] [operator =] [string-2 `bar ${][variable async].[property a][string-2 }`];")
 
+  MT("bigint", "[number 1n] [operator +] [number 0x1afn] [operator +] [number 0o064n] [operator +] [number 0b100n];")
+
   MT("async_comment",
      "[keyword async] [comment /**/] [keyword function] [def foo]([def args]) { [keyword return] [atom true]; }");
 
@@ -383,6 +423,25 @@
      "  }",
      "}")
 
+  TS("type as variable",
+     "[variable type] [operator =] [variable x] [keyword as] [type Bar];");
+
+  TS("enum body",
+     "[keyword export] [keyword const] [keyword enum] [def CodeInspectionResultType] {",
+     "  [def ERROR] [operator =] [string 'problem_type_error'],",
+     "  [def WARNING] [operator =] [string 'problem_type_warning'],",
+     "  [def META],",
+     "}")
+
+  TS("parenthesized type",
+     "[keyword class] [def Foo] {",
+     "  [property x] [operator =] [keyword new] [variable A][operator <][type B], [type string][operator |](() [operator =>] [type void])[operator >]();",
+     "  [keyword private] [property bar]();",
+     "}")
+
+  TS("abstract class",
+     "[keyword export] [keyword abstract] [keyword class] [def Foo] {}")
+
   var jsonld_mode = CodeMirror.getMode(
     {indentUnit: 2},
     {name: "javascript", jsonld: true}
diff --git a/src/public/libraries/codemirror/mode/julia/julia.js b/src/public/libraries/codemirror/mode/julia/julia.js
index 9a36fd05a..2d89c497d 100644
--- a/src/public/libraries/codemirror/mode/julia/julia.js
+++ b/src/public/libraries/codemirror/mode/julia/julia.js
@@ -54,11 +54,13 @@ CodeMirror.defineMode("julia", function(config, parserConf) {
     return inGenerator(state, '[')
   }
 
-  function inGenerator(state, bracket) {
-    var curr = currentScope(state),
-        prev = currentScope(state, 1);
+  function inGenerator(state, bracket, depth) {
     if (typeof(bracket) === "undefined") { bracket = '('; }
-    if (curr === bracket || (prev === bracket && curr === "for")) {
+    if (typeof(depth)   === "undefined") { depth   = 0;   }
+    var scope = currentScope(state, depth);
+    if ((depth == 0 && scope === "if" && inGenerator(state, bracket, depth + 1)) ||
+        (scope === "for" && inGenerator(state, bracket, depth + 1)) ||
+        (scope === bracket)) {
       return true;
     }
     return false;
@@ -119,16 +121,16 @@ CodeMirror.defineMode("julia", function(config, parserConf) {
       state.scopes.push('(');
     }
 
-    var scope = currentScope(state);
-
     if (inArray(state) && ch === ']') {
-      if (scope === "for") { state.scopes.pop(); }
+      if (currentScope(state) === "if") { state.scopes.pop(); }
+      while (currentScope(state) === "for") { state.scopes.pop(); }
       state.scopes.pop();
       state.leavingExpr = true;
     }
 
     if (inGenerator(state) && ch === ')') {
-      if (scope === "for") { state.scopes.pop(); }
+      if (currentScope(state) === "if") { state.scopes.pop(); }
+      while (currentScope(state) === "for") { state.scopes.pop(); }
       state.scopes.pop();
       state.leavingExpr = true;
     }
@@ -143,12 +145,14 @@ CodeMirror.defineMode("julia", function(config, parserConf) {
     }
 
     var match;
-    if (match = stream.match(openers, false)) {
+    if (match = stream.match(openers)) {
       state.scopes.push(match[0]);
+      return "keyword";
     }
 
-    if (stream.match(closers, false)) {
+    if (stream.match(closers)) {
       state.scopes.pop();
+      return "keyword";
     }
 
     // Handle type annotations
diff --git a/src/public/libraries/codemirror/mode/markdown/markdown.js b/src/public/libraries/codemirror/mode/markdown/markdown.js
index b2f79fc30..d523ec8bb 100644
--- a/src/public/libraries/codemirror/mode/markdown/markdown.js
+++ b/src/public/libraries/codemirror/mode/markdown/markdown.js
@@ -90,7 +90,7 @@ CodeMirror.defineMode("markdown", function(cmCfg, modeCfg) {
   ,   setextHeaderRE = /^ *(?:\={1,}|-{1,})\s*$/
   ,   textRE = /^[^#!\[\]*_\\<>` "'(~:]+/
   ,   fencedCodeRE = /^(~~~+|```+)[ \t]*([\w+#-]*)[^\n`]*$/
-  ,   linkDefRE = /^\s*\[[^\]]+?\]:\s*\S+(\s*\S*\s*)?$/ // naive link-definition
+  ,   linkDefRE = /^\s*\[[^\]]+?\]:.*$/ // naive link-definition
   ,   punctuation = /[!\"#$%&\'()*+,\-\.\/:;<=>?@\[\\\]^_`{|}~—]/
   ,   expandedTab = "    " // CommonMark specifies tab as 4 spaces
 
@@ -113,6 +113,8 @@ CodeMirror.defineMode("markdown", function(cmCfg, modeCfg) {
   function blankLine(state) {
     // Reset linkTitle state
     state.linkTitle = false;
+    state.linkHref = false;
+    state.linkText = false;
     // Reset EM state
     state.em = false;
     // Reset STRONG state
@@ -124,8 +126,17 @@ CodeMirror.defineMode("markdown", function(cmCfg, modeCfg) {
     // Reset state.indentedCode
     state.indentedCode = false;
     if (state.f == htmlBlock) {
-      state.f = inlineNormal;
-      state.block = blockNormal;
+      var exit = htmlModeMissing
+      if (!exit) {
+        var inner = CodeMirror.innerMode(htmlMode, state.htmlState)
+        exit = inner.mode.name == "xml" && inner.state.tagStart === null &&
+          (!inner.state.context && inner.state.tokenize.isInText)
+      }
+      if (exit) {
+        state.f = inlineNormal;
+        state.block = blockNormal;
+        state.htmlState = null;
+      }
     }
     // Reset state.trailingSpace
     state.trailingSpace = 0;
@@ -151,6 +162,12 @@ CodeMirror.defineMode("markdown", function(cmCfg, modeCfg) {
     if (state.indentationDiff === null) {
       state.indentationDiff = state.indentation;
       if (prevLineIsList) {
+        // Reset inline styles which shouldn't propagate aross list items
+        state.em = false;
+        state.strong = false;
+        state.code = false;
+        state.strikethrough = false;
+
         state.list = null;
         // While this list item's marker's indentation is less than the deepest
         //  list item's content's indentation,pop the deepest list item
@@ -489,6 +506,7 @@ CodeMirror.defineMode("markdown", function(cmCfg, modeCfg) {
     }
 
     if (ch === '[' && !state.image) {
+      if (state.linkText && stream.match(/^.*?\]/)) return getType(state)
       state.linkText = true;
       if (modeCfg.highlightFormatting) state.formatting = "link";
       return getType(state);
@@ -526,7 +544,7 @@ CodeMirror.defineMode("markdown", function(cmCfg, modeCfg) {
       return type + tokenTypes.linkEmail;
     }
 
-    if (modeCfg.xml && ch === '<' && stream.match(/^(!--|[a-z]+(?:\s+[a-z_:.\-]+(?:\s*=\s*[^ >]+)?)*\s*>)/i, false)) {
+    if (modeCfg.xml && ch === '<' && stream.match(/^(!--|\?|!\[CDATA\[|[a-z][a-z0-9-]*(?:\s+[a-z_:.\-]+(?:\s*=\s*[^>]+)?)*\s*(?:>|$))/i, false)) {
       var end = stream.string.indexOf(">", stream.pos);
       if (end != -1) {
         var atts = stream.string.substring(stream.start, end);
@@ -611,7 +629,7 @@ CodeMirror.defineMode("markdown", function(cmCfg, modeCfg) {
     }
 
     if (ch === ' ') {
-      if (stream.match(/ +$/, false)) {
+      if (stream.match(/^ +$/, false)) {
         state.trailingSpace++;
       } else if (state.trailingSpace) {
         state.trailingSpaceNewLine = true;
@@ -777,6 +795,7 @@ CodeMirror.defineMode("markdown", function(cmCfg, modeCfg) {
         formatting: false,
         linkText: s.linkText,
         linkTitle: s.linkTitle,
+        linkHref: s.linkHref,
         code: s.code,
         em: s.em,
         strong: s.strong,
@@ -856,6 +875,8 @@ CodeMirror.defineMode("markdown", function(cmCfg, modeCfg) {
   return mode;
 }, "xml");
 
+CodeMirror.defineMIME("text/markdown", "markdown");
+
 CodeMirror.defineMIME("text/x-markdown", "markdown");
 
 });
diff --git a/src/public/libraries/codemirror/mode/markdown/test.js b/src/public/libraries/codemirror/mode/markdown/test.js
index a89fbca60..a6da158d0 100644
--- a/src/public/libraries/codemirror/mode/markdown/test.js
+++ b/src/public/libraries/codemirror/mode/markdown/test.js
@@ -1283,6 +1283,25 @@
      "[tag&bracket <][tag div][tag&bracket >]",
      "[tag&bracket </][tag div][tag&bracket >]");
 
+  MT("xmlModeLineBreakInTags",
+     "[tag&bracket <][tag div] [attribute id]=[string \"1\"]",
+     "     [attribute class]=[string \"sth\"][tag&bracket >]xxx",
+     "[tag&bracket </][tag div][tag&bracket >]");
+
+  MT("xmlModeCommentWithBlankLine",
+     "[comment <!-- Hello]",
+     "",
+     "[comment World -->]");
+
+  MT("xmlModeCDATA",
+     "[atom <![CDATA[ Hello]",
+     "",
+     "[atom FooBar]",
+     "[atom Test ]]]]>]");
+
+  MT("xmlModePreprocessor",
+     "[meta <?php] [meta echo '1234'; ?>]");
+
   MT_noXml("xmlHighlightDisabled",
      "<div>foo</div>");
 
diff --git a/src/public/libraries/codemirror/mode/mathematica/mathematica.js b/src/public/libraries/codemirror/mode/mathematica/mathematica.js
index d6977088c..07e808b1e 100644
--- a/src/public/libraries/codemirror/mode/mathematica/mathematica.js
+++ b/src/public/libraries/codemirror/mode/mathematica/mathematica.js
@@ -71,12 +71,12 @@ CodeMirror.defineMode('mathematica', function(_config, _parserConfig) {
     }
 
     // usage
-    if (stream.match(/([a-zA-Z\$]+(?:`?[a-zA-Z0-9\$])*::usage)/, true, false)) {
+    if (stream.match(/([a-zA-Z\$][a-zA-Z0-9\$]*(?:`[a-zA-Z0-9\$]+)*::usage)/, true, false)) {
       return 'meta';
     }
 
     // message
-    if (stream.match(/([a-zA-Z\$]+(?:`?[a-zA-Z0-9\$])*::[a-zA-Z\$][a-zA-Z0-9\$]*):?/, true, false)) {
+    if (stream.match(/([a-zA-Z\$][a-zA-Z0-9\$]*(?:`[a-zA-Z0-9\$]+)*::[a-zA-Z\$][a-zA-Z0-9\$]*):?/, true, false)) {
       return 'string-2';
     }
 
diff --git a/src/public/libraries/codemirror/mode/meta.js b/src/public/libraries/codemirror/mode/meta.js
index ccf4dd7b1..7890bdd7b 100644
--- a/src/public/libraries/codemirror/mode/meta.js
+++ b/src/public/libraries/codemirror/mode/meta.js
@@ -17,7 +17,7 @@
     {name: "ASN.1", mime: "text/x-ttcn-asn", mode: "asn.1", ext: ["asn", "asn1"]},
     {name: "Asterisk", mime: "text/x-asterisk", mode: "asterisk", file: /^extensions\.conf$/i},
     {name: "Brainfuck", mime: "text/x-brainfuck", mode: "brainfuck", ext: ["b", "bf"]},
-    {name: "C", mime: "text/x-csrc", mode: "clike", ext: ["c", "h"]},
+    {name: "C", mime: "text/x-csrc", mode: "clike", ext: ["c", "h", "ino"]},
     {name: "C++", mime: "text/x-c++src", mode: "clike", ext: ["cpp", "c++", "cc", "cxx", "hpp", "h++", "hh", "hxx"], alias: ["cpp"]},
     {name: "Cobol", mime: "text/x-cobol", mode: "cobol", ext: ["cob", "cpy"]},
     {name: "C#", mime: "text/x-csharp", mode: "clike", ext: ["cs"], alias: ["csharp"]},
@@ -64,13 +64,13 @@
     {name: "Haxe", mime: "text/x-haxe", mode: "haxe", ext: ["hx"]},
     {name: "HXML", mime: "text/x-hxml", mode: "haxe", ext: ["hxml"]},
     {name: "ASP.NET", mime: "application/x-aspx", mode: "htmlembedded", ext: ["aspx"], alias: ["asp", "aspx"]},
-    {name: "HTML", mime: "text/html", mode: "htmlmixed", ext: ["html", "htm"], alias: ["xhtml"]},
+    {name: "HTML", mime: "text/html", mode: "htmlmixed", ext: ["html", "htm", "handlebars", "hbs"], alias: ["xhtml"]},
     {name: "HTTP", mime: "message/http", mode: "http"},
     {name: "IDL", mime: "text/x-idl", mode: "idl", ext: ["pro"]},
     {name: "Pug", mime: "text/x-pug", mode: "pug", ext: ["jade", "pug"], alias: ["jade"]},
     {name: "Java", mime: "text/x-java", mode: "clike", ext: ["java"]},
     {name: "Java Server Pages", mime: "application/x-jsp", mode: "htmlembedded", ext: ["jsp"], alias: ["jsp"]},
-    {name: "JavaScript", mimes: ["text/javascript", "text/ecmascript", "application/javascript", "application/javascript;env=frontend", "application/javascript;env=backend", "application/x-javascript", "application/ecmascript"],
+    {name: "JavaScript", mimes: ["text/javascript", "text/ecmascript", "application/javascript", "application/x-javascript", "application/ecmascript", "application/javascript;env=frontend", "application/javascript;env=backend"],
      mode: "javascript", ext: ["js"], alias: ["ecmascript", "js", "node"]},
     {name: "JSON", mimes: ["application/json", "application/x-json"], mode: "javascript", ext: ["json", "map"], alias: ["json5"]},
     {name: "JSON-LD", mime: "application/ld+json", mode: "javascript", ext: ["jsonld"], alias: ["jsonld"]},
@@ -101,7 +101,7 @@
     {name: "Pascal", mime: "text/x-pascal", mode: "pascal", ext: ["p", "pas"]},
     {name: "PEG.js", mime: "null", mode: "pegjs", ext: ["jsonld"]},
     {name: "Perl", mime: "text/x-perl", mode: "perl", ext: ["pl", "pm"]},
-    {name: "PHP", mime: ["application/x-httpd-php", "text/x-php"], mode: "php", ext: ["php", "php3", "php4", "php5", "php7", "phtml"]},
+    {name: "PHP", mimes: ["text/x-php", "application/x-httpd-php", "application/x-httpd-php-open"], mode: "php", ext: ["php", "php3", "php4", "php5", "php7", "phtml"]},
     {name: "Pig", mime: "text/x-pig", mode: "pig", ext: ["pig"]},
     {name: "Plain Text", mime: "text/plain", mode: "null", ext: ["txt", "text", "conf", "def", "list", "log"]},
     {name: "PLSQL", mime: "text/x-plsql", mode: "sql", ext: ["pls"]},
@@ -128,6 +128,7 @@
     {name: "Smalltalk", mime: "text/x-stsrc", mode: "smalltalk", ext: ["st"]},
     {name: "Smarty", mime: "text/x-smarty", mode: "smarty", ext: ["tpl"]},
     {name: "Solr", mime: "text/x-solr", mode: "solr"},
+    {name: "SML", mime: "text/x-sml", mode: "mllike", ext: ["sml", "sig", "fun", "smackspec"]},
     {name: "Soy", mime: "text/x-soy", mode: "soy", ext: ["soy"], alias: ["closure template"]},
     {name: "SPARQL", mime: "application/sparql-query", mode: "sparql", ext: ["rq", "sparql"], alias: ["sparul"]},
     {name: "Spreadsheet", mime: "text/x-spreadsheet", mode: "spreadsheet", alias: ["excel", "formula"]},
@@ -137,7 +138,7 @@
     {name: "Stylus", mime: "text/x-styl", mode: "stylus", ext: ["styl"]},
     {name: "Swift", mime: "text/x-swift", mode: "swift", ext: ["swift"]},
     {name: "sTeX", mime: "text/x-stex", mode: "stex"},
-    {name: "LaTeX", mime: "text/x-latex", mode: "stex", ext: ["text", "ltx"], alias: ["tex"]},
+    {name: "LaTeX", mime: "text/x-latex", mode: "stex", ext: ["text", "ltx", "tex"], alias: ["tex"]},
     {name: "SystemVerilog", mime: "text/x-systemverilog", mode: "verilog", ext: ["v", "sv", "svh"]},
     {name: "Tcl", mime: "text/x-tcl", mode: "tcl", ext: ["tcl"]},
     {name: "Textile", mime: "text/x-textile", mode: "textile", ext: ["textile"]},
diff --git a/src/public/libraries/codemirror/mode/mllike/mllike.js b/src/public/libraries/codemirror/mode/mllike/mllike.js
index 90e5b41a6..92b51cbc3 100644
--- a/src/public/libraries/codemirror/mode/mllike/mllike.js
+++ b/src/public/libraries/codemirror/mode/mllike/mllike.js
@@ -13,31 +13,26 @@
 
 CodeMirror.defineMode('mllike', function(_config, parserConfig) {
   var words = {
-    'let': 'keyword',
-    'rec': 'keyword',
-    'in': 'keyword',
-    'of': 'keyword',
-    'and': 'keyword',
-    'if': 'keyword',
-    'then': 'keyword',
-    'else': 'keyword',
-    'for': 'keyword',
-    'to': 'keyword',
-    'while': 'keyword',
+    'as': 'keyword',
     'do': 'keyword',
-    'done': 'keyword',
+    'else': 'keyword',
+    'end': 'keyword',
+    'exception': 'keyword',
     'fun': 'keyword',
-    'function': 'keyword',
-    'val': 'keyword',
+    'functor': 'keyword',
+    'if': 'keyword',
+    'in': 'keyword',
+    'include': 'keyword',
+    'let': 'keyword',
+    'of': 'keyword',
+    'open': 'keyword',
+    'rec': 'keyword',
+    'struct': 'keyword',
+    'then': 'keyword',
     'type': 'keyword',
-    'mutable': 'keyword',
-    'match': 'keyword',
-    'with': 'keyword',
-    'try': 'keyword',
-    'open': 'builtin',
-    'ignore': 'builtin',
-    'begin': 'keyword',
-    'end': 'keyword'
+    'val': 'keyword',
+    'while': 'keyword',
+    'with': 'keyword'
   };
 
   var extraWords = parserConfig.extraWords || {};
@@ -68,7 +63,7 @@ CodeMirror.defineMode('mllike', function(_config, parserConfig) {
         return state.tokenize(stream, state);
       }
     }
-    if (ch === '~') {
+    if (ch === '~' || ch === '?') {
       stream.eatWhile(/\w/);
       return 'variable-2';
     }
@@ -98,7 +93,7 @@ CodeMirror.defineMode('mllike', function(_config, parserConfig) {
       }
       return 'number';
     }
-    if ( /[+\-*&%=<>!?|@]/.test(ch)) {
+    if ( /[+\-*&%=<>!?|@\.~:]/.test(ch)) {
       return 'operator';
     }
     if (/[\w\xa1-\uffff]/.test(ch)) {
@@ -165,16 +160,64 @@ CodeMirror.defineMode('mllike', function(_config, parserConfig) {
 CodeMirror.defineMIME('text/x-ocaml', {
   name: 'mllike',
   extraWords: {
-    'succ': 'keyword',
+    'and': 'keyword',
+    'assert': 'keyword',
+    'begin': 'keyword',
+    'class': 'keyword',
+    'constraint': 'keyword',
+    'done': 'keyword',
+    'downto': 'keyword',
+    'external': 'keyword',
+    'function': 'keyword',
+    'initializer': 'keyword',
+    'lazy': 'keyword',
+    'match': 'keyword',
+    'method': 'keyword',
+    'module': 'keyword',
+    'mutable': 'keyword',
+    'new': 'keyword',
+    'nonrec': 'keyword',
+    'object': 'keyword',
+    'private': 'keyword',
+    'sig': 'keyword',
+    'to': 'keyword',
+    'try': 'keyword',
+    'value': 'keyword',
+    'virtual': 'keyword',
+    'when': 'keyword',
+
+    // builtins
+    'raise': 'builtin',
+    'failwith': 'builtin',
+    'true': 'builtin',
+    'false': 'builtin',
+
+    // Pervasives builtins
+    'asr': 'builtin',
+    'land': 'builtin',
+    'lor': 'builtin',
+    'lsl': 'builtin',
+    'lsr': 'builtin',
+    'lxor': 'builtin',
+    'mod': 'builtin',
+    'or': 'builtin',
+
+    // More Pervasives
+    'raise_notrace': 'builtin',
     'trace': 'builtin',
     'exit': 'builtin',
     'print_string': 'builtin',
     'print_endline': 'builtin',
-    'true': 'atom',
-    'false': 'atom',
-    'raise': 'keyword',
-    'module': 'keyword',
-    'sig': 'keyword'
+
+     'int': 'type',
+     'float': 'type',
+     'bool': 'type',
+     'char': 'type',
+     'string': 'type',
+     'unit': 'type',
+
+     // Modules
+     'List': 'builtin'
   }
 });
 
@@ -182,18 +225,21 @@ CodeMirror.defineMIME('text/x-fsharp', {
   name: 'mllike',
   extraWords: {
     'abstract': 'keyword',
-    'as': 'keyword',
     'assert': 'keyword',
     'base': 'keyword',
+    'begin': 'keyword',
     'class': 'keyword',
     'default': 'keyword',
     'delegate': 'keyword',
+    'do!': 'keyword',
+    'done': 'keyword',
     'downcast': 'keyword',
     'downto': 'keyword',
     'elif': 'keyword',
-    'exception': 'keyword',
     'extern': 'keyword',
     'finally': 'keyword',
+    'for': 'keyword',
+    'function': 'keyword',
     'global': 'keyword',
     'inherit': 'keyword',
     'inline': 'keyword',
@@ -201,38 +247,108 @@ CodeMirror.defineMIME('text/x-fsharp', {
     'internal': 'keyword',
     'lazy': 'keyword',
     'let!': 'keyword',
-    'member' : 'keyword',
+    'match': 'keyword',
+    'member': 'keyword',
     'module': 'keyword',
+    'mutable': 'keyword',
     'namespace': 'keyword',
     'new': 'keyword',
     'null': 'keyword',
     'override': 'keyword',
     'private': 'keyword',
     'public': 'keyword',
-    'return': 'keyword',
     'return!': 'keyword',
+    'return': 'keyword',
     'select': 'keyword',
     'static': 'keyword',
-    'struct': 'keyword',
+    'to': 'keyword',
+    'try': 'keyword',
     'upcast': 'keyword',
-    'use': 'keyword',
     'use!': 'keyword',
-    'val': 'keyword',
+    'use': 'keyword',
+    'void': 'keyword',
     'when': 'keyword',
-    'yield': 'keyword',
     'yield!': 'keyword',
+    'yield': 'keyword',
 
+    // Reserved words
+    'atomic': 'keyword',
+    'break': 'keyword',
+    'checked': 'keyword',
+    'component': 'keyword',
+    'const': 'keyword',
+    'constraint': 'keyword',
+    'constructor': 'keyword',
+    'continue': 'keyword',
+    'eager': 'keyword',
+    'event': 'keyword',
+    'external': 'keyword',
+    'fixed': 'keyword',
+    'method': 'keyword',
+    'mixin': 'keyword',
+    'object': 'keyword',
+    'parallel': 'keyword',
+    'process': 'keyword',
+    'protected': 'keyword',
+    'pure': 'keyword',
+    'sealed': 'keyword',
+    'tailcall': 'keyword',
+    'trait': 'keyword',
+    'virtual': 'keyword',
+    'volatile': 'keyword',
+
+    // builtins
     'List': 'builtin',
     'Seq': 'builtin',
     'Map': 'builtin',
     'Set': 'builtin',
+    'Option': 'builtin',
     'int': 'builtin',
     'string': 'builtin',
-    'raise': 'builtin',
-    'failwith': 'builtin',
     'not': 'builtin',
     'true': 'builtin',
-    'false': 'builtin'
+    'false': 'builtin',
+
+    'raise': 'builtin',
+    'failwith': 'builtin'
+  },
+  slashComments: true
+});
+
+
+CodeMirror.defineMIME('text/x-sml', {
+  name: 'mllike',
+  extraWords: {
+    'abstype': 'keyword',
+    'and': 'keyword',
+    'andalso': 'keyword',
+    'case': 'keyword',
+    'datatype': 'keyword',
+    'fn': 'keyword',
+    'handle': 'keyword',
+    'infix': 'keyword',
+    'infixr': 'keyword',
+    'local': 'keyword',
+    'nonfix': 'keyword',
+    'op': 'keyword',
+    'orelse': 'keyword',
+    'raise': 'keyword',
+    'withtype': 'keyword',
+    'eqtype': 'keyword',
+    'sharing': 'keyword',
+    'sig': 'keyword',
+    'signature': 'keyword',
+    'structure': 'keyword',
+    'where': 'keyword',
+    'true': 'keyword',
+    'false': 'keyword',
+
+    // types
+    'int': 'builtin',
+    'real': 'builtin',
+    'string': 'builtin',
+    'char': 'builtin',
+    'bool': 'builtin'
   },
   slashComments: true
 });
diff --git a/src/public/libraries/codemirror/mode/nginx/index.html b/src/public/libraries/codemirror/mode/nginx/index.html
index 03cf67149..dde54574d 100644
--- a/src/public/libraries/codemirror/mode/nginx/index.html
+++ b/src/public/libraries/codemirror/mode/nginx/index.html
@@ -1,4 +1,4 @@
-<!doctype html>
+<!doctype html>
 <head>
 <title>CodeMirror: NGINX mode</title>
 <meta charset="utf-8"/>
@@ -176,6 +176,6 @@ server {
       var editor = CodeMirror.fromTextArea(document.getElementById("code"), {});
     </script>
 
-    <p><strong>MIME types defined:</strong> <code>text/nginx</code>.</p>
+    <p><strong>MIME types defined:</strong> <code>text/x-nginx-conf</code>.</p>
 
   </article>
diff --git a/src/public/libraries/codemirror/mode/nsis/nsis.js b/src/public/libraries/codemirror/mode/nsis/nsis.js
index d6c61facf..69bc95074 100644
--- a/src/public/libraries/codemirror/mode/nsis/nsis.js
+++ b/src/public/libraries/codemirror/mode/nsis/nsis.js
@@ -24,14 +24,14 @@ CodeMirror.defineSimpleMode("nsis",{
     { regex: /`(?:[^\\`]|\\.)*`?/, token: "string" },
 
     // Compile Time Commands
-    {regex: /^\s*(?:\!(include|addincludedir|addplugindir|appendfile|cd|delfile|echo|error|execute|packhdr|pragma|finalize|getdllversion|system|tempfile|warning|verbose|define|undef|insertmacro|makensis|searchparse|searchreplace))\b/, token: "keyword"},
+    {regex: /^\s*(?:\!(include|addincludedir|addplugindir|appendfile|cd|delfile|echo|error|execute|packhdr|pragma|finalize|getdllversion|gettlbversion|system|tempfile|warning|verbose|define|undef|insertmacro|macro|macroend|makensis|searchparse|searchreplace))\b/, token: "keyword"},
 
     // Conditional Compilation
     {regex: /^\s*(?:\!(if(?:n?def)?|ifmacron?def|macro))\b/, token: "keyword", indent: true},
     {regex: /^\s*(?:\!(else|endif|macroend))\b/, token: "keyword", dedent: true},
 
     // Runtime Commands
-    {regex: /^\s*(?:Abort|AddBrandingImage|AddSize|AllowRootDirInstall|AllowSkipFiles|AutoCloseWindow|BGFont|BGGradient|BrandingText|BringToFront|Call|CallInstDLL|Caption|ChangeUI|CheckBitmap|ClearErrors|CompletedText|ComponentText|CopyFiles|CRCCheck|CreateDirectory|CreateFont|CreateShortCut|Delete|DeleteINISec|DeleteINIStr|DeleteRegKey|DeleteRegValue|DetailPrint|DetailsButtonText|DirText|DirVar|DirVerify|EnableWindow|EnumRegKey|EnumRegValue|Exch|Exec|ExecShell|ExecShellWait|ExecWait|ExpandEnvStrings|File|FileBufSize|FileClose|FileErrorText|FileOpen|FileRead|FileReadByte|FileReadUTF16LE|FileReadWord|FileWriteUTF16LE|FileSeek|FileWrite|FileWriteByte|FileWriteWord|FindClose|FindFirst|FindNext|FindWindow|FlushINI|GetCurInstType|GetCurrentAddress|GetDlgItem|GetDLLVersion|GetDLLVersionLocal|GetErrorLevel|GetFileTime|GetFileTimeLocal|GetFullPathName|GetFunctionAddress|GetInstDirError|GetLabelAddress|GetTempFileName|Goto|HideWindow|Icon|IfAbort|IfErrors|IfFileExists|IfRebootFlag|IfSilent|InitPluginsDir|InstallButtonText|InstallColors|InstallDir|InstallDirRegKey|InstProgressFlags|InstType|InstTypeGetText|InstTypeSetText|IntCmp|IntCmpU|IntFmt|IntOp|IsWindow|LangString|LicenseBkColor|LicenseData|LicenseForceSelection|LicenseLangString|LicenseText|LoadLanguageFile|LockWindow|LogSet|LogText|ManifestDPIAware|ManifestSupportedOS|MessageBox|MiscButtonText|Name|Nop|OutFile|Page|PageCallbacks|Pop|Push|Quit|ReadEnvStr|ReadINIStr|ReadRegDWORD|ReadRegStr|Reboot|RegDLL|Rename|RequestExecutionLevel|ReserveFile|Return|RMDir|SearchPath|SectionGetFlags|SectionGetInstTypes|SectionGetSize|SectionGetText|SectionIn|SectionSetFlags|SectionSetInstTypes|SectionSetSize|SectionSetText|SendMessage|SetAutoClose|SetBrandingImage|SetCompress|SetCompressor|SetCompressorDictSize|SetCtlColors|SetCurInstType|SetDatablockOptimize|SetDateSave|SetDetailsPrint|SetDetailsView|SetErrorLevel|SetErrors|SetFileAttributes|SetFont|SetOutPath|SetOverwrite|SetRebootFlag|SetRegView|SetShellVarContext|SetSilent|ShowInstDetails|ShowUninstDetails|ShowWindow|SilentInstall|SilentUnInstall|Sleep|SpaceTexts|StrCmp|StrCmpS|StrCpy|StrLen|SubCaption|Unicode|UninstallButtonText|UninstallCaption|UninstallIcon|UninstallSubCaption|UninstallText|UninstPage|UnRegDLL|Var|VIAddVersionKey|VIFileVersion|VIProductVersion|WindowIcon|WriteINIStr|WriteRegBin|WriteRegDWORD|WriteRegExpandStr|WriteRegMultiStr|WriteRegNone|WriteRegStr|WriteUninstaller|XPStyle)\b/, token: "keyword"},
+    {regex: /^\s*(?:Abort|AddBrandingImage|AddSize|AllowRootDirInstall|AllowSkipFiles|AutoCloseWindow|BGFont|BGGradient|BrandingText|BringToFront|Call|CallInstDLL|Caption|ChangeUI|CheckBitmap|ClearErrors|CompletedText|ComponentText|CopyFiles|CRCCheck|CreateDirectory|CreateFont|CreateShortCut|Delete|DeleteINISec|DeleteINIStr|DeleteRegKey|DeleteRegValue|DetailPrint|DetailsButtonText|DirText|DirVar|DirVerify|EnableWindow|EnumRegKey|EnumRegValue|Exch|Exec|ExecShell|ExecShellWait|ExecWait|ExpandEnvStrings|File|FileBufSize|FileClose|FileErrorText|FileOpen|FileRead|FileReadByte|FileReadUTF16LE|FileReadWord|FileWriteUTF16LE|FileSeek|FileWrite|FileWriteByte|FileWriteWord|FindClose|FindFirst|FindNext|FindWindow|FlushINI|GetCurInstType|GetCurrentAddress|GetDlgItem|GetDLLVersion|GetDLLVersionLocal|GetErrorLevel|GetFileTime|GetFileTimeLocal|GetFullPathName|GetFunctionAddress|GetInstDirError|GetLabelAddress|GetTempFileName|Goto|HideWindow|Icon|IfAbort|IfErrors|IfFileExists|IfRebootFlag|IfSilent|InitPluginsDir|InstallButtonText|InstallColors|InstallDir|InstallDirRegKey|InstProgressFlags|InstType|InstTypeGetText|InstTypeSetText|Int64Cmp|Int64CmpU|Int64Fmt|IntCmp|IntCmpU|IntFmt|IntOp|IntPtrCmp|IntPtrCmpU|IntPtrOp|IsWindow|LangString|LicenseBkColor|LicenseData|LicenseForceSelection|LicenseLangString|LicenseText|LoadLanguageFile|LockWindow|LogSet|LogText|ManifestDPIAware|ManifestSupportedOS|MessageBox|MiscButtonText|Name|Nop|OutFile|Page|PageCallbacks|PEDllCharacteristics|PESubsysVer|Pop|Push|Quit|ReadEnvStr|ReadINIStr|ReadRegDWORD|ReadRegStr|Reboot|RegDLL|Rename|RequestExecutionLevel|ReserveFile|Return|RMDir|SearchPath|SectionGetFlags|SectionGetInstTypes|SectionGetSize|SectionGetText|SectionIn|SectionSetFlags|SectionSetInstTypes|SectionSetSize|SectionSetText|SendMessage|SetAutoClose|SetBrandingImage|SetCompress|SetCompressor|SetCompressorDictSize|SetCtlColors|SetCurInstType|SetDatablockOptimize|SetDateSave|SetDetailsPrint|SetDetailsView|SetErrorLevel|SetErrors|SetFileAttributes|SetFont|SetOutPath|SetOverwrite|SetRebootFlag|SetRegView|SetShellVarContext|SetSilent|ShowInstDetails|ShowUninstDetails|ShowWindow|SilentInstall|SilentUnInstall|Sleep|SpaceTexts|StrCmp|StrCmpS|StrCpy|StrLen|SubCaption|Unicode|UninstallButtonText|UninstallCaption|UninstallIcon|UninstallSubCaption|UninstallText|UninstPage|UnRegDLL|Var|VIAddVersionKey|VIFileVersion|VIProductVersion|WindowIcon|WriteINIStr|WriteRegBin|WriteRegDWORD|WriteRegExpandStr|WriteRegMultiStr|WriteRegNone|WriteRegStr|WriteUninstaller|XPStyle)\b/, token: "keyword"},
     {regex: /^\s*(?:Function|PageEx|Section(?:Group)?)\b/, token: "keyword", indent: true},
     {regex: /^\s*(?:(Function|PageEx|Section(?:Group)?)End)\b/, token: "keyword", dedent: true},
 
diff --git a/src/public/libraries/codemirror/mode/pascal/pascal.js b/src/public/libraries/codemirror/mode/pascal/pascal.js
index 2d0c3d424..3240532f5 100644
--- a/src/public/libraries/codemirror/mode/pascal/pascal.js
+++ b/src/public/libraries/codemirror/mode/pascal/pascal.js
@@ -17,9 +17,21 @@ CodeMirror.defineMode("pascal", function() {
     for (var i = 0; i < words.length; ++i) obj[words[i]] = true;
     return obj;
   }
-  var keywords = words("and array begin case const div do downto else end file for forward integer " +
-                       "boolean char function goto if in label mod nil not of or packed procedure " +
-                       "program record repeat set string then to type until var while with");
+  var keywords = words(
+    "absolute and array asm begin case const constructor destructor div do " +
+    "downto else end file for function goto if implementation in inherited " +
+    "inline interface label mod nil not object of operator or packed procedure " +
+    "program record reintroduce repeat self set shl shr string then to type " +
+    "unit until uses var while with xor as class dispinterface except exports " +
+    "finalization finally initialization inline is library on out packed " +
+    "property raise resourcestring threadvar try absolute abstract alias " +
+    "assembler bitpacked break cdecl continue cppdecl cvar default deprecated " +
+    "dynamic enumerator experimental export external far far16 forward generic " +
+    "helper implements index interrupt iocheck local message name near " +
+    "nodefault noreturn nostackframe oldfpccall otherwise overload override " +
+    "pascal platform private protected public published read register " +
+    "reintroduce result safecall saveregisters softfloat specialize static " +
+    "stdcall stored strict unaligned unimplemented varargs virtual write");
   var atoms = {"null": true};
 
   var isOperatorChar = /[+\-*&%=<>!?|\/]/;
diff --git a/src/public/libraries/codemirror/mode/python/index.html b/src/public/libraries/codemirror/mode/python/index.html
index 0ac02a333..134387ff2 100644
--- a/src/public/libraries/codemirror/mode/python/index.html
+++ b/src/public/libraries/codemirror/mode/python/index.html
@@ -126,6 +126,15 @@ class ExampleClass(ParentClass):
     def __init__(self, mixin = 'Hello'):
         self.mixin = mixin
 
+# Python 3.6 f-strings (https://www.python.org/dev/peps/pep-0498/)
+f'My name is {name}, my age next year is {age+1}, my anniversary is {anniversary:%A, %B %d, %Y}.'
+f'He said his name is {name!r}.'
+f"""He said his name is {name!r}."""
+f'{"quoted string"}'
+f'{{ {4*10} }}'
+f'This is an error }'
+f'This is ok }}'
+fr'x={4*10}\n'
 </textarea></div>
 
 
diff --git a/src/public/libraries/codemirror/mode/python/python.js b/src/public/libraries/codemirror/mode/python/python.js
index c31879320..a13a85092 100644
--- a/src/public/libraries/codemirror/mode/python/python.js
+++ b/src/public/libraries/codemirror/mode/python/python.js
@@ -41,7 +41,7 @@
   CodeMirror.defineMode("python", function(conf, parserConf) {
     var ERRORCLASS = "error";
 
-    var delimiters = parserConf.delimiters || parserConf.singleDelimiters || /^[\(\)\[\]\{\}@,:`=;\.]/;
+    var delimiters = parserConf.delimiters || parserConf.singleDelimiters || /^[\(\)\[\]\{\}@,:`=;\.\\]/;
     //               (Backwards-compatiblity with old, cumbersome config system)
     var operators = [parserConf.singleOperators, parserConf.doubleOperators, parserConf.doubleDelimiters, parserConf.tripleDelimiters,
                      parserConf.operators || /^([-+*/%\/&|^]=?|[<>=]+|\/\/=?|\*\*=?|!=|[~!@])/]
@@ -62,7 +62,7 @@
       var identifiers = parserConf.identifiers|| /^[_A-Za-z\u00A1-\uFFFF][_A-Za-z0-9\u00A1-\uFFFF]*/;
       myKeywords = myKeywords.concat(["nonlocal", "False", "True", "None", "async", "await"]);
       myBuiltins = myBuiltins.concat(["ascii", "bytes", "exec", "print"]);
-      var stringPrefixes = new RegExp("^(([rbuf]|(br))?('{3}|\"{3}|['\"]))", "i");
+      var stringPrefixes = new RegExp("^(([rbuf]|(br)|(fr))?('{3}|\"{3}|['\"]))", "i");
     } else {
       var identifiers = parserConf.identifiers|| /^[_A-Za-z][_A-Za-z0-9]*/;
       myKeywords = myKeywords.concat(["exec", "print"]);
@@ -76,9 +76,10 @@
 
     // tokenizers
     function tokenBase(stream, state) {
-      if (stream.sol()) state.indent = stream.indentation()
+      var sol = stream.sol() && state.lastToken != "\\"
+      if (sol) state.indent = stream.indentation()
       // Handle scope changes
-      if (stream.sol() && top(state).type == "py") {
+      if (sol && top(state).type == "py") {
         var scopeOffset = top(state).offset;
         if (stream.eatSpace()) {
           var lineOffset = stream.indentation();
@@ -100,13 +101,8 @@
     function tokenBaseInner(stream, state) {
       if (stream.eatSpace()) return null;
 
-      var ch = stream.peek();
-
       // Handle Comments
-      if (ch == "#") {
-        stream.skipToEnd();
-        return "comment";
-      }
+      if (stream.match(/^#.*/)) return "comment";
 
       // Handle Number Literals
       if (stream.match(/^[0-9\.]/, false)) {
@@ -146,8 +142,14 @@
 
       // Handle Strings
       if (stream.match(stringPrefixes)) {
-        state.tokenize = tokenStringFactory(stream.current());
-        return state.tokenize(stream, state);
+        var isFmtString = stream.current().toLowerCase().indexOf('f') !== -1;
+        if (!isFmtString) {
+          state.tokenize = tokenStringFactory(stream.current());
+          return state.tokenize(stream, state);
+        } else {
+          state.tokenize = formatStringFactory(stream.current(), state.tokenize);
+          return state.tokenize(stream, state);
+        }
       }
 
       for (var i = 0; i < operators.length; i++)
@@ -178,6 +180,77 @@
       return ERRORCLASS;
     }
 
+    function formatStringFactory(delimiter, tokenOuter) {
+      while ("rubf".indexOf(delimiter.charAt(0).toLowerCase()) >= 0)
+        delimiter = delimiter.substr(1);
+
+      var singleline = delimiter.length == 1;
+      var OUTCLASS = "string";
+
+      function tokenFString(stream, state) {
+        // inside f-str Expression
+        if (stream.match(delimiter)) {
+          // expression ends pre-maturally, but very common in editing
+          // Could show error to remind users to close brace here
+          state.tokenize = tokenString
+          return OUTCLASS;
+        } else if (stream.match('{')) {
+          // starting brace, if not eaten below
+          return "punctuation";
+        } else if (stream.match('}')) {
+          // return to regular inside string state
+          state.tokenize = tokenString
+          return "punctuation";
+        } else {
+          // use tokenBaseInner to parse the expression
+          return tokenBaseInner(stream, state);
+        }
+      }
+
+      function tokenString(stream, state) {
+        while (!stream.eol()) {
+          stream.eatWhile(/[^'"\{\}\\]/);
+          if (stream.eat("\\")) {
+            stream.next();
+            if (singleline && stream.eol())
+              return OUTCLASS;
+          } else if (stream.match(delimiter)) {
+            state.tokenize = tokenOuter;
+            return OUTCLASS;
+          } else if (stream.match('{{')) {
+            // ignore {{ in f-str
+            return OUTCLASS;
+          } else if (stream.match('{', false)) {
+            // switch to nested mode
+            state.tokenize = tokenFString
+            if (stream.current()) {
+              return OUTCLASS;
+            } else {
+              // need to return something, so eat the starting {
+              stream.next();
+              return "punctuation";
+            }
+          } else if (stream.match('}}')) {
+            return OUTCLASS;
+          } else if (stream.match('}')) {
+            // single } in f-string is an error
+            return ERRORCLASS;
+          } else {
+            stream.eat(/['"]/);
+          }
+        }
+        if (singleline) {
+          if (parserConf.singleLineStringErrors)
+            return ERRORCLASS;
+          else
+            state.tokenize = tokenOuter;
+        }
+        return OUTCLASS;
+      }
+      tokenString.isString = true;
+      return tokenString;
+    }
+
     function tokenStringFactory(delimiter) {
       while ("rubf".indexOf(delimiter.charAt(0).toLowerCase()) >= 0)
         delimiter = delimiter.substr(1);
@@ -258,14 +331,16 @@
       if (current == ":" && !state.lambda && top(state).type == "py")
         pushPyScope(state);
 
-      var delimiter_index = current.length == 1 ? "[({".indexOf(current) : -1;
-      if (delimiter_index != -1)
-        pushBracketScope(stream, state, "])}".slice(delimiter_index, delimiter_index+1));
+      if (current.length == 1 && !/string|comment/.test(style)) {
+        var delimiter_index = "[({".indexOf(current);
+        if (delimiter_index != -1)
+          pushBracketScope(stream, state, "])}".slice(delimiter_index, delimiter_index+1));
 
-      delimiter_index = "])}".indexOf(current);
-      if (delimiter_index != -1) {
-        if (top(state).type == current) state.indent = state.scopes.pop().offset - hangingIndent
-        else return ERRORCLASS;
+        delimiter_index = "])}".indexOf(current);
+        if (delimiter_index != -1) {
+          if (top(state).type == current) state.indent = state.scopes.pop().offset - hangingIndent
+          else return ERRORCLASS;
+        }
       }
       if (state.dedent > 0 && stream.eol() && top(state).type == "py") {
         if (state.scopes.length > 1) state.scopes.pop();
diff --git a/src/public/libraries/codemirror/mode/python/test.js b/src/public/libraries/codemirror/mode/python/test.js
index 950eed51e..40f0a61f4 100644
--- a/src/public/libraries/codemirror/mode/python/test.js
+++ b/src/public/libraries/codemirror/mode/python/test.js
@@ -30,6 +30,9 @@
     MT("before_equal_sign_" + c, "[variable a] [operator " + c + "=] [variable b]");
   }
 
-  MT("fValidStringPrefix", "[string f'this is a {formatted} string']");
+  MT("fValidStringPrefix", "[string f'this is a]{[variable formatted]}[string string']");
+  MT("fValidExpressioninFString", "[string f'expression ]{[number 100][operator *][number 5]}[string string']");
+  MT("fInvalidFString", "[error f'this is wrong}]");
+  MT("fNestedFString", "[string f'expression ]{[number 100] [operator +] [string f'inner]{[number 5]}[string ']}[string string']");
   MT("uValidStringPrefix", "[string u'this is an unicode string']");
 })();
diff --git a/src/public/libraries/codemirror/mode/shell/shell.js b/src/public/libraries/codemirror/mode/shell/shell.js
index 9b8b90b30..b806c2bcb 100644
--- a/src/public/libraries/codemirror/mode/shell/shell.js
+++ b/src/public/libraries/codemirror/mode/shell/shell.js
@@ -84,29 +84,38 @@ CodeMirror.defineMode('shell', function() {
   function tokenString(quote, style) {
     var close = quote == "(" ? ")" : quote == "{" ? "}" : quote
     return function(stream, state) {
-      var next, end = false, escaped = false;
+      var next, escaped = false;
       while ((next = stream.next()) != null) {
         if (next === close && !escaped) {
-          end = true;
+          state.tokens.shift();
           break;
-        }
-        if (next === '$' && !escaped && quote !== "'") {
+        } else if (next === '$' && !escaped && quote !== "'" && stream.peek() != close) {
           escaped = true;
           stream.backUp(1);
           state.tokens.unshift(tokenDollar);
           break;
-        }
-        if (!escaped && next === quote && quote !== close) {
+        } else if (!escaped && quote !== close && next === quote) {
           state.tokens.unshift(tokenString(quote, style))
           return tokenize(stream, state)
+        } else if (!escaped && /['"]/.test(next) && !/['"]/.test(quote)) {
+          state.tokens.unshift(tokenStringStart(next, "string"));
+          stream.backUp(1);
+          break;
         }
         escaped = !escaped && next === '\\';
       }
-      if (end) state.tokens.shift();
       return style;
     };
   };
 
+  function tokenStringStart(quote, style) {
+    return function(stream, state) {
+      state.tokens[0] = tokenString(quote, style)
+      stream.next()
+      return tokenize(stream, state)
+    }
+  }
+
   var tokenDollar = function(stream, state) {
     if (state.tokens.length > 1) stream.eat('$');
     var ch = stream.next()
diff --git a/src/public/libraries/codemirror/mode/shell/test.js b/src/public/libraries/codemirror/mode/shell/test.js
index 86e344c57..4be557216 100644
--- a/src/public/libraries/codemirror/mode/shell/test.js
+++ b/src/public/libraries/codemirror/mode/shell/test.js
@@ -61,4 +61,13 @@
 
   MT("nested braces",
      "[builtin echo] [def ${A[${B}]]}]")
+
+  MT("strings in parens",
+     "[def FOO][operator =]([quote $(<][string \"][def $MYDIR][string \"][quote /myfile grep ][string 'hello$'][quote )])")
+
+  MT ("string ending in dollar",
+     '[def a][operator =][string "xyz$"]; [def b][operator =][string "y"]')
+
+  MT ("quote ending in dollar",
+     "[quote $(echo a$)]")
 })();
diff --git a/src/public/libraries/codemirror/mode/soy/soy.js b/src/public/libraries/codemirror/mode/soy/soy.js
index 98f308658..6b9d5125e 100644
--- a/src/public/libraries/codemirror/mode/soy/soy.js
+++ b/src/public/libraries/codemirror/mode/soy/soy.js
@@ -22,6 +22,7 @@
       attributes: textMode,
       text: textMode,
       uri: textMode,
+      trusted_resource_uri: textMode,
       css: CodeMirror.getMode(config, "text/css"),
       js: CodeMirror.getMode(config, {name: "text/javascript", statementIndent: 2 * config.indentUnit})
     };
@@ -148,11 +149,13 @@
             return "string";
         }
 
-        if (stream.match(/^\/\*/)) {
-          state.soyState.push("comment");
-          return "comment";
-        } else if (stream.match(stream.sol() || (state.soyState.length && last(state.soyState) != "literal") ? /^\s*\/\/.*/ : /^\s+\/\/.*/)) {
-          return "comment";
+        if (!state.soyState.length || last(state.soyState) != "literal") {
+          if (stream.match(/^\/\*/)) {
+            state.soyState.push("comment");
+            return "comment";
+          } else if (stream.match(stream.sol() ? /^\s*\/\/.*/ : /^\s+\/\/.*/)) {
+            return "comment";
+          }
         }
 
         switch (last(state.soyState)) {
@@ -269,7 +272,7 @@
           return "keyword";
 
         // A tag-keyword must be followed by whitespace, comment or a closing tag.
-        } else if (match = stream.match(/^\{([\/@\\]?\w+\??)(?=[\s\}]|\/[/*])/)) {
+        } else if (match = stream.match(/^\{([/@\\]?\w+\??)(?=$|[\s}]|\/[/*])/)) {
           if (match[1] != "/switch")
             state.indent += (/^(\/|(else|elseif|ifempty|case|fallbackmsg|default)$)/.test(match[1]) && state.tag != "switch" ? 1 : 2) * config.indentUnit;
           state.tag = match[1];
diff --git a/src/public/libraries/codemirror/mode/soy/test.js b/src/public/libraries/codemirror/mode/soy/test.js
index 7cd111f2f..d503d7f83 100644
--- a/src/public/libraries/codemirror/mode/soy/test.js
+++ b/src/public/libraries/codemirror/mode/soy/test.js
@@ -111,4 +111,11 @@
   MT('single-quote-strings',
      '[keyword {][string "foo"] [string \'bar\'][keyword }]',
      '');
+
+  MT('literal-comments',
+     '[keyword {literal}]/* comment */ // comment[keyword {/literal}]');
+
+  MT('highlight-command-at-eol',
+     '[keyword {msg]',
+     '    [keyword }]');
 })();
diff --git a/src/public/libraries/codemirror/mode/sql/sql.js b/src/public/libraries/codemirror/mode/sql/sql.js
index da416f204..ab99c5a04 100644
--- a/src/public/libraries/codemirror/mode/sql/sql.js
+++ b/src/public/libraries/codemirror/mode/sql/sql.js
@@ -21,7 +21,10 @@ CodeMirror.defineMode("sql", function(config, parserConfig) {
       operatorChars  = parserConfig.operatorChars || /^[*+\-%<>!=&|~^]/,
       support        = parserConfig.support || {},
       hooks          = parserConfig.hooks || {},
-      dateSQL        = parserConfig.dateSQL || {"date" : true, "time" : true, "timestamp" : true};
+      dateSQL        = parserConfig.dateSQL || {"date" : true, "time" : true, "timestamp" : true},
+      backslashStringEscapes = parserConfig.backslashStringEscapes !== false,
+      brackets       = parserConfig.brackets || /^[\{}\(\)\[\]]/,
+      punctuation    = parserConfig.punctuation || /^[;.,:]/
 
   function tokenBase(stream, state) {
     var ch = stream.next();
@@ -64,9 +67,6 @@ CodeMirror.defineMode("sql", function(config, parserConfig) {
       // charset casting: _utf8'str', N'str', n'str'
       // ref: http://dev.mysql.com/doc/refman/5.5/en/string-literals.html
       return "keyword";
-    } else if (/^[\(\),\;\[\]]/.test(ch)) {
-      // no highlighting
-      return null;
     } else if (support.commentSlashSlash && ch == "/" && stream.eat("/")) {
       // 1-line comment
       stream.skipToEnd();
@@ -95,7 +95,15 @@ CodeMirror.defineMode("sql", function(config, parserConfig) {
     } else if (operatorChars.test(ch)) {
       // operators
       stream.eatWhile(operatorChars);
-      return null;
+      return "operator";
+    } else if (brackets.test(ch)) {
+      // brackets
+      stream.eatWhile(brackets);
+      return "bracket";
+    } else if (punctuation.test(ch)) {
+      // punctuation
+      stream.eatWhile(punctuation);
+      return "punctuation";
     } else if (ch == '{' &&
         (stream.match(/^( )*(d|D|t|T|ts|TS)( )*'[^']*'( )*}/) || stream.match(/^( )*(d|D|t|T|ts|TS)( )*"[^"]*"( )*}/))) {
       // dates (weird ODBC syntax)
@@ -125,7 +133,7 @@ CodeMirror.defineMode("sql", function(config, parserConfig) {
           state.tokenize = tokenBase;
           break;
         }
-        escaped = !escaped && ch == "\\";
+        escaped = backslashStringEscapes && !escaped && ch == "\\";
       }
       return "string";
     };
@@ -193,7 +201,8 @@ CodeMirror.defineMode("sql", function(config, parserConfig) {
 
     blockCommentStart: "/*",
     blockCommentEnd: "*/",
-    lineComment: support.commentSlashSlash ? "//" : support.commentHash ? "#" : "--"
+    lineComment: support.commentSlashSlash ? "//" : support.commentHash ? "#" : "--",
+    closeBrackets: "()[]{}''\"\"``"
   };
 });
 
@@ -287,11 +296,14 @@ CodeMirror.defineMode("sql", function(config, parserConfig) {
 
   CodeMirror.defineMIME("text/x-mssql", {
     name: "sql",
-    client: set("charset clear connect edit ego exit go help nopager notee nowarning pager print prompt quit rehash source status system tee"),
-    keywords: set(sqlKeywords + "begin trigger proc view index for add constraint key primary foreign collate clustered nonclustered declare exec"),
+    client: set("$partition binary_checksum checksum connectionproperty context_info current_request_id error_line error_message error_number error_procedure error_severity error_state formatmessage get_filestream_transaction_context getansinull host_id host_name isnull isnumeric min_active_rowversion newid newsequentialid rowcount_big xact_state object_id"),
+    keywords: set(sqlKeywords + "begin trigger proc view index for add constraint key primary foreign collate clustered nonclustered declare exec go if use index holdlock nolock nowait paglock readcommitted readcommittedlock readpast readuncommitted repeatableread rowlock serializable snapshot tablock tablockx updlock with"),
     builtin: set("bigint numeric bit smallint decimal smallmoney int tinyint money float real char varchar text nchar nvarchar ntext binary varbinary image cursor timestamp hierarchyid uniqueidentifier sql_variant xml table "),
-    atoms: set("false true null unknown"),
-    operatorChars: /^[*+\-%<>!=]/,
+    atoms: set("is not null like and or in left right between inner outer join all any some cross unpivot pivot exists"),
+    operatorChars: /^[*+\-%<>!=^\&|\/]/,
+    brackets: /^[\{}\(\)]/,
+    punctuation: /^[;.,:/]/,
+    backslashStringEscapes: false,
     dateSQL: set("date datetimeoffset datetime2 smalldatetime datetime time"),
     hooks: {
       "@":   hookVar
@@ -400,7 +412,7 @@ CodeMirror.defineMode("sql", function(config, parserConfig) {
     name: "sql",
     client: set("source"),
     // https://www.postgresql.org/docs/10/static/sql-keywords-appendix.html
-    keywords: set(sqlKeywords + "a abort abs absent absolute access according action ada add admin after aggregate all allocate also always analyse analyze any are array array_agg array_max_cardinality asensitive assertion assignment asymmetric at atomic attribute attributes authorization avg backward base64 before begin begin_frame begin_partition bernoulli binary bit_length blob blocked bom both breadth c cache call called cardinality cascade cascaded case cast catalog catalog_name ceil ceiling chain characteristics characters character_length character_set_catalog character_set_name character_set_schema char_length check checkpoint class class_origin clob close cluster coalesce cobol collate collation collation_catalog collation_name collation_schema collect column columns column_name command_function command_function_code comment comments commit committed concurrently condition condition_number configuration conflict connect connection connection_name constraint constraints constraint_catalog constraint_name constraint_schema constructor contains content continue control conversion convert copy corr corresponding cost covar_pop covar_samp cross csv cube cume_dist current current_catalog current_date current_default_transform_group current_path current_role current_row current_schema current_time current_timestamp current_transform_group_for_type current_user cursor cursor_name cycle data database datalink datetime_interval_code datetime_interval_precision day db deallocate dec declare default defaults deferrable deferred defined definer degree delimiter delimiters dense_rank depth deref derived describe descriptor deterministic diagnostics dictionary disable discard disconnect dispatch dlnewcopy dlpreviouscopy dlurlcomplete dlurlcompleteonly dlurlcompletewrite dlurlpath dlurlpathonly dlurlpathwrite dlurlscheme dlurlserver dlvalue do document domain dynamic dynamic_function dynamic_function_code each element else empty enable encoding encrypted end end-exec end_frame end_partition enforced enum equals escape event every except exception exclude excluding exclusive exec execute exists exp explain expression extension external extract false family fetch file filter final first first_value flag float floor following for force foreign fortran forward found frame_row free freeze fs full function functions fusion g general generated get global go goto grant granted greatest grouping groups handler header hex hierarchy hold hour id identity if ignore ilike immediate immediately immutable implementation implicit import including increment indent index indexes indicator inherit inherits initially inline inner inout input insensitive instance instantiable instead integrity intersect intersection invoker isnull isolation k key key_member key_type label lag language large last last_value lateral lead leading leakproof least left length level library like_regex link listen ln load local localtime localtimestamp location locator lock locked logged lower m map mapping match matched materialized max maxvalue max_cardinality member merge message_length message_octet_length message_text method min minute minvalue mod mode modifies module month more move multiset mumps name names namespace national natural nchar nclob nesting new next nfc nfd nfkc nfkd nil no none normalize normalized nothing notify notnull nowait nth_value ntile null nullable nullif nulls number object occurrences_regex octets octet_length of off offset oids old only open operator option options ordering ordinality others out outer output over overlaps overlay overriding owned owner p pad parallel parameter parameter_mode parameter_name parameter_ordinal_position parameter_specific_catalog parameter_specific_name parameter_specific_schema parser partial partition pascal passing passthrough password percent percentile_cont percentile_disc percent_rank period permission placing plans pli policy portion position position_regex power precedes preceding prepare prepared preserve primary prior privileges procedural procedure program public quote range rank read reads reassign recheck recovery recursive ref references referencing refresh regr_avgx regr_avgy regr_count regr_intercept regr_r2 regr_slope regr_sxx regr_sxy regr_syy reindex relative release rename repeatable replace replica requiring reset respect restart restore restrict restricted result return returned_cardinality returned_length returned_octet_length returned_sqlstate returning returns revoke right role rollback rollup routine routine_catalog routine_name routine_schema row rows row_count row_number rule savepoint scale schema schema_name scope scope_catalog scope_name scope_schema scroll search second section security selective self sensitive sequence sequences serializable server server_name session session_user setof sets share show similar simple size skip snapshot some source space specific specifictype specific_name sql sqlcode sqlerror sqlexception sqlstate sqlwarning sqrt stable standalone start state statement static statistics stddev_pop stddev_samp stdin stdout storage strict strip structure style subclass_origin submultiset substring substring_regex succeeds sum symmetric sysid system system_time system_user t tables tablesample tablespace table_name temp template temporary then ties timezone_hour timezone_minute to token top_level_count trailing transaction transactions_committed transactions_rolled_back transaction_active transform transforms translate translate_regex translation treat trigger trigger_catalog trigger_name trigger_schema trim trim_array true truncate trusted type types uescape unbounded uncommitted under unencrypted unique unknown unlink unlisten unlogged unnamed unnest until untyped upper uri usage user user_defined_type_catalog user_defined_type_code user_defined_type_name user_defined_type_schema using vacuum valid validate validator value value_of varbinary variadic var_pop var_samp verbose version versioning view views volatile when whenever whitespace width_bucket window within work wrapper write xmlagg xmlattributes xmlbinary xmlcast xmlcomment xmlconcat xmldeclaration xmldocument xmlelement xmlexists xmlforest xmliterate xmlnamespaces xmlparse xmlpi xmlquery xmlroot xmlschema xmlserialize xmltable xmltext xmlvalidate year yes loop repeat attach path depends detach zone"),
+    keywords: set(sqlKeywords + "a abort abs absent absolute access according action ada add admin after aggregate all allocate also always analyse analyze any are array array_agg array_max_cardinality asensitive assertion assignment asymmetric at atomic attribute attributes authorization avg backward base64 before begin begin_frame begin_partition bernoulli binary bit_length blob blocked bom both breadth c cache call called cardinality cascade cascaded case cast catalog catalog_name ceil ceiling chain characteristics characters character_length character_set_catalog character_set_name character_set_schema char_length check checkpoint class class_origin clob close cluster coalesce cobol collate collation collation_catalog collation_name collation_schema collect column columns column_name command_function command_function_code comment comments commit committed concurrently condition condition_number configuration conflict connect connection connection_name constraint constraints constraint_catalog constraint_name constraint_schema constructor contains content continue control conversion convert copy corr corresponding cost covar_pop covar_samp cross csv cube cume_dist current current_catalog current_date current_default_transform_group current_path current_role current_row current_schema current_time current_timestamp current_transform_group_for_type current_user cursor cursor_name cycle data database datalink datetime_interval_code datetime_interval_precision day db deallocate dec declare default defaults deferrable deferred defined definer degree delimiter delimiters dense_rank depth deref derived describe descriptor deterministic diagnostics dictionary disable discard disconnect dispatch dlnewcopy dlpreviouscopy dlurlcomplete dlurlcompleteonly dlurlcompletewrite dlurlpath dlurlpathonly dlurlpathwrite dlurlscheme dlurlserver dlvalue do document domain dynamic dynamic_function dynamic_function_code each element else empty enable encoding encrypted end end-exec end_frame end_partition enforced enum equals escape event every except exception exclude excluding exclusive exec execute exists exp explain expression extension external extract false family fetch file filter final first first_value flag float floor following for force foreign fortran forward found frame_row free freeze fs full function functions fusion g general generated get global go goto grant granted greatest grouping groups handler header hex hierarchy hold hour id identity if ignore ilike immediate immediately immutable implementation implicit import including increment indent index indexes indicator inherit inherits initially inline inner inout input insensitive instance instantiable instead integrity intersect intersection invoker isnull isolation k key key_member key_type label lag language large last last_value lateral lc_collate lc_ctype lead leading leakproof least left length level library like_regex link listen ln load local localtime localtimestamp location locator lock locked logged lower m map mapping match matched materialized max maxvalue max_cardinality member merge message_length message_octet_length message_text method min minute minvalue mod mode modifies module month more move multiset mumps name names namespace national natural nchar nclob nesting new next nfc nfd nfkc nfkd nil no none normalize normalized nothing notify notnull nowait nth_value ntile null nullable nullif nulls number object occurrences_regex octets octet_length of off offset oids old only open operator option options ordering ordinality others out outer output over overlaps overlay overriding owned owner p pad parallel parameter parameter_mode parameter_name parameter_ordinal_position parameter_specific_catalog parameter_specific_name parameter_specific_schema parser partial partition pascal passing passthrough password percent percentile_cont percentile_disc percent_rank period permission placing plans pli policy portion position position_regex power precedes preceding prepare prepared preserve primary prior privileges procedural procedure program public quote range rank read reads reassign recheck recovery recursive ref references referencing refresh regr_avgx regr_avgy regr_count regr_intercept regr_r2 regr_slope regr_sxx regr_sxy regr_syy reindex relative release rename repeatable replace replica requiring reset respect restart restore restrict restricted result return returned_cardinality returned_length returned_octet_length returned_sqlstate returning returns revoke right role rollback rollup routine routine_catalog routine_name routine_schema row rows row_count row_number rule savepoint scale schema schema_name scope scope_catalog scope_name scope_schema scroll search second section security selective self sensitive sequence sequences serializable server server_name session session_user setof sets share show similar simple size skip snapshot some source space specific specifictype specific_name sql sqlcode sqlerror sqlexception sqlstate sqlwarning sqrt stable standalone start state statement static statistics stddev_pop stddev_samp stdin stdout storage strict strip structure style subclass_origin submultiset substring substring_regex succeeds sum symmetric sysid system system_time system_user t tables tablesample tablespace table_name temp template temporary then ties timezone_hour timezone_minute to token top_level_count trailing transaction transactions_committed transactions_rolled_back transaction_active transform transforms translate translate_regex translation treat trigger trigger_catalog trigger_name trigger_schema trim trim_array true truncate trusted type types uescape unbounded uncommitted under unencrypted unique unknown unlink unlisten unlogged unnamed unnest until untyped upper uri usage user user_defined_type_catalog user_defined_type_code user_defined_type_name user_defined_type_schema using vacuum valid validate validator value value_of varbinary variadic var_pop var_samp verbose version versioning view views volatile when whenever whitespace width_bucket window within work wrapper write xmlagg xmlattributes xmlbinary xmlcast xmlcomment xmlconcat xmldeclaration xmldocument xmlelement xmlexists xmlforest xmliterate xmlnamespaces xmlparse xmlpi xmlquery xmlroot xmlschema xmlserialize xmltable xmltext xmlvalidate year yes loop repeat attach path depends detach zone"),
     // https://www.postgresql.org/docs/10/static/datatype.html
     builtin: set("bigint int8 bigserial serial8 bit varying varbit boolean bool box bytea character char varchar cidr circle date double precision float8 inet integer int int4 interval json jsonb line lseg macaddr macaddr8 money numeric decimal path pg_lsn point polygon real float4 smallint int2 smallserial serial2 serial serial4 text time without zone with timetz timestamp timestamptz tsquery tsvector txid_snapshot uuid xml"),
     atoms: set("false true null unknown"),
@@ -434,7 +446,7 @@ CodeMirror.defineMode("sql", function(config, parserConfig) {
   // Spark SQL
   CodeMirror.defineMIME("text/x-sparksql", {
     name: "sql",
-    keywords: set("add after all alter analyze and anti archive array as asc at between bucket buckets by cache cascade case cast change clear cluster clustered codegen collection column columns comment commit compact compactions compute concatenate cost create cross cube current current_date current_timestamp database databases datata dbproperties defined delete delimited desc describe dfs directories distinct distribute drop else end escaped except exchange exists explain export extended external false fields fileformat first following for format formatted from full function functions global grant group grouping having if ignore import in index indexes inner inpath inputformat insert intersect interval into is items join keys last lateral lazy left like limit lines list load local location lock locks logical macro map minus msck natural no not null nulls of on option options or order out outer outputformat over overwrite partition partitioned partitions percent preceding principals purge range recordreader recordwriter recover reduce refresh regexp rename repair replace reset restrict revoke right rlike role roles rollback rollup row rows schema schemas select semi separated serde serdeproperties set sets show skewed sort sorted start statistics stored stratify struct table tables tablesample tblproperties temp temporary terminated then to touch transaction transactions transform true truncate unarchive unbounded uncache union unlock unset use using values view when where window with"),
+    keywords: set("add after all alter analyze and anti archive array as asc at between bucket buckets by cache cascade case cast change clear cluster clustered codegen collection column columns comment commit compact compactions compute concatenate cost create cross cube current current_date current_timestamp database databases datata dbproperties defined delete delimited deny desc describe dfs directories distinct distribute drop else end escaped except exchange exists explain export extended external false fields fileformat first following for format formatted from full function functions global grant group grouping having if ignore import in index indexes inner inpath inputformat insert intersect interval into is items join keys last lateral lazy left like limit lines list load local location lock locks logical macro map minus msck natural no not null nulls of on optimize option options or order out outer outputformat over overwrite partition partitioned partitions percent preceding principals purge range recordreader recordwriter recover reduce refresh regexp rename repair replace reset restrict revoke right rlike role roles rollback rollup row rows schema schemas select semi separated serde serdeproperties set sets show skewed sort sorted start statistics stored stratify struct table tables tablesample tblproperties temp temporary terminated then to touch transaction transactions transform true truncate unarchive unbounded uncache union unlock unset use using values view when where window with"),
     builtin: set("tinyint smallint int bigint boolean float double string binary timestamp decimal array map struct uniontype delimited serde sequencefile textfile rcfile inputformat outputformat"),
     atoms: set("false true null"),
     operatorChars: /^[*+\-%<>!=~&|^]/,
diff --git a/src/public/libraries/codemirror/mode/stex/index.html b/src/public/libraries/codemirror/mode/stex/index.html
index 14679da4f..25225e41c 100644
--- a/src/public/libraries/codemirror/mode/stex/index.html
+++ b/src/public/libraries/codemirror/mode/stex/index.html
@@ -103,6 +103,12 @@
       var editor = CodeMirror.fromTextArea(document.getElementById("code"), {});
     </script>
 
+    <p>sTeX mode supports this option:</p>
+    <d1>
+      <dt><code>inMathMode: boolean</code></dt>
+      <dd>Whether to start parsing in math mode (default: <code>false</code>).</dd>
+    </d1>
+
     <p><strong>MIME types defined:</strong> <code>text/x-stex</code>.</p>
 
     <p><strong>Parsing/Highlighting Tests:</strong> <a href="../../test/index.html#stex_*">normal</a>,  <a href="../../test/index.html#verbose,stex_*">verbose</a>.</p>
diff --git a/src/public/libraries/codemirror/mode/stex/stex.js b/src/public/libraries/codemirror/mode/stex/stex.js
index 835ed46d1..44908675f 100644
--- a/src/public/libraries/codemirror/mode/stex/stex.js
+++ b/src/public/libraries/codemirror/mode/stex/stex.js
@@ -16,7 +16,7 @@
 })(function(CodeMirror) {
   "use strict";
 
-  CodeMirror.defineMode("stex", function() {
+  CodeMirror.defineMode("stex", function(_config, parserConfig) {
     "use strict";
 
     function pushCommand(state, command) {
@@ -78,6 +78,14 @@
     plugins["begin"] = addPluginPattern("begin", "tag", ["atom"]);
     plugins["end"] = addPluginPattern("end", "tag", ["atom"]);
 
+    plugins["label"    ] = addPluginPattern("label"    , "tag", ["atom"]);
+    plugins["ref"      ] = addPluginPattern("ref"      , "tag", ["atom"]);
+    plugins["eqref"    ] = addPluginPattern("eqref"    , "tag", ["atom"]);
+    plugins["cite"     ] = addPluginPattern("cite"     , "tag", ["atom"]);
+    plugins["bibitem"  ] = addPluginPattern("bibitem"  , "tag", ["atom"]);
+    plugins["Bibitem"  ] = addPluginPattern("Bibitem"  , "tag", ["atom"]);
+    plugins["RBibitem" ] = addPluginPattern("RBibitem" , "tag", ["atom"]);
+
     plugins["DEFAULT"] = function () {
       this.name = "DEFAULT";
       this.style = "tag";
@@ -117,6 +125,10 @@
         setState(state, function(source, state){ return inMathMode(source, state, "\\]"); });
         return "keyword";
       }
+      if (source.match("\\(")) {
+        setState(state, function(source, state){ return inMathMode(source, state, "\\)"); });
+        return "keyword";
+      }
       if (source.match("$$")) {
         setState(state, function(source, state){ return inMathMode(source, state, "$$"); });
         return "keyword";
@@ -161,7 +173,7 @@
       if (source.eatSpace()) {
         return null;
       }
-      if (source.match(endModeSeq)) {
+      if (endModeSeq && source.match(endModeSeq)) {
         setState(state, normal);
         return "keyword";
       }
@@ -223,9 +235,10 @@
 
     return {
       startState: function() {
+        var f = parserConfig.inMathMode ? function(source, state){ return inMathMode(source, state); } : normal;
         return {
           cmdState: [],
-          f: normal
+          f: f
         };
       },
       copyState: function(s) {
diff --git a/src/public/libraries/codemirror/mode/stex/test.js b/src/public/libraries/codemirror/mode/stex/test.js
index 22f027ec7..634dc49d9 100644
--- a/src/public/libraries/codemirror/mode/stex/test.js
+++ b/src/public/libraries/codemirror/mode/stex/test.js
@@ -111,9 +111,18 @@
   MT("inlineMath",
      "[keyword $][number 3][variable-2 x][tag ^][number 2.45]-[tag \\sqrt][bracket {][tag \\$\\alpha][bracket }] = [number 2][keyword $] other text");
 
+  MT("inlineMathLatexStyle",
+     "[keyword \\(][number 3][variable-2 x][tag ^][number 2.45]-[tag \\sqrt][bracket {][tag \\$\\alpha][bracket }] = [number 2][keyword \\)] other text");
+
   MT("displayMath",
      "More [keyword $$]\t[variable-2 S][tag ^][variable-2 n][tag \\sum] [variable-2 i][keyword $$] other text");
 
+  MT("displayMath environment",
+     "[tag \\begin][bracket {][atom equation][bracket }] x [tag \\end][bracket {][atom equation][bracket }] other text");
+
+  MT("displayMath environment with label",
+     "[tag \\begin][bracket {][atom equation][bracket }][tag \\label][bracket {][atom eq1][bracket }] x [tag \\end][bracket {][atom equation][bracket }] other text~[tag \\ref][bracket {][atom eq1][bracket }]");
+
   MT("mathWithComment",
      "[keyword $][variable-2 x] [comment % $]",
      "[variable-2 y][keyword $] other text");
diff --git a/src/public/libraries/codemirror/mode/stylus/stylus.js b/src/public/libraries/codemirror/mode/stylus/stylus.js
index b83be16f4..a9f50c05d 100644
--- a/src/public/libraries/codemirror/mode/stylus/stylus.js
+++ b/src/public/libraries/codemirror/mode/stylus/stylus.js
@@ -76,7 +76,7 @@
       if (ch == "#") {
         stream.next();
         // Hex color
-        if (stream.match(/^[0-9a-f]{6}|[0-9a-f]{3}/i)) {
+        if (stream.match(/^[0-9a-f]{3}([0-9a-f]([0-9a-f]{2}){0,2})?\b/i)) {
           return ["atom", "atom"];
         }
         // ID selector
diff --git a/src/public/libraries/codemirror/mode/velocity/velocity.js b/src/public/libraries/codemirror/mode/velocity/velocity.js
index 12ee22124..2525fda5c 100644
--- a/src/public/libraries/codemirror/mode/velocity/velocity.js
+++ b/src/public/libraries/codemirror/mode/velocity/velocity.js
@@ -82,7 +82,7 @@ CodeMirror.defineMode("velocity", function() {
         }
         // variable?
         else if (ch == "$") {
-            stream.eatWhile(/[\w\d\$_\.{}]/);
+            stream.eatWhile(/[\w\d\$_\.{}-]/);
             // is it one of the specials?
             if (specials && specials.propertyIsEnumerable(stream.current())) {
                 return "keyword";
diff --git a/src/public/libraries/codemirror/mode/xml/xml.js b/src/public/libraries/codemirror/mode/xml/xml.js
index 0f1c9b175..5927bc917 100644
--- a/src/public/libraries/codemirror/mode/xml/xml.js
+++ b/src/public/libraries/codemirror/mode/xml/xml.js
@@ -163,8 +163,9 @@ CodeMirror.defineMode("xml", function(editorConf, config_) {
         stream.next();
       }
       return style;
-    };
+    }
   }
+
   function doctype(depth) {
     return function(stream, state) {
       var ch;
diff --git a/src/public/libraries/codemirror/mode/yaml/yaml.js b/src/public/libraries/codemirror/mode/yaml/yaml.js
index 59c0ecdbe..f35a40130 100644
--- a/src/public/libraries/codemirror/mode/yaml/yaml.js
+++ b/src/public/libraries/codemirror/mode/yaml/yaml.js
@@ -108,7 +108,8 @@ CodeMirror.defineMode("yaml", function() {
         literal: false,
         escaped: false
       };
-    }
+    },
+    lineComment: "#"
   };
 });