diff -r 3d4e9c994f10 -r a86126ab1dd4 wp/wp-includes/js/tinymce/plugins/lists/plugin.js
--- a/wp/wp-includes/js/tinymce/plugins/lists/plugin.js	Tue Oct 22 16:11:46 2019 +0200
+++ b/wp/wp-includes/js/tinymce/plugins/lists/plugin.js	Tue Dec 15 13:49:49 2020 +0100
@@ -204,6 +204,8 @@
       resolveBookmark: resolveBookmark
     };
 
+    var noop = function () {
+    };
     var constant = function (value) {
       return function () {
         return value;
@@ -221,8 +223,6 @@
     var never = constant(false);
     var always = constant(true);
 
-    var never$1 = never;
-    var always$1 = always;
     var none = function () {
       return NONE;
     };
@@ -236,37 +236,27 @@
       var id = function (n) {
         return n;
       };
-      var noop = function () {
-      };
-      var nul = function () {
-        return null;
-      };
-      var undef = function () {
-        return undefined;
-      };
       var me = {
         fold: function (n, s) {
           return n();
         },
-        is: never$1,
-        isSome: never$1,
-        isNone: always$1,
+        is: never,
+        isSome: never,
+        isNone: always,
         getOr: id,
         getOrThunk: call,
         getOrDie: function (msg) {
           throw new Error(msg || 'error: getOrDie called on none.');
         },
-        getOrNull: nul,
-        getOrUndefined: undef,
+        getOrNull: constant(null),
+        getOrUndefined: constant(undefined),
         or: id,
         orThunk: call,
         map: none,
-        ap: none,
         each: noop,
         bind: none,
-        flatten: none,
-        exists: never$1,
-        forall: always$1,
+        exists: never,
+        forall: always,
         filter: none,
         equals: eq,
         equals_: eq,
@@ -275,20 +265,16 @@
         },
         toString: constant('none()')
       };
-      if (Object.freeze)
+      if (Object.freeze) {
         Object.freeze(me);
+      }
       return me;
     }();
     var some = function (a) {
-      var constant_a = function () {
-        return a;
-      };
+      var constant_a = constant(a);
       var self = function () {
         return me;
       };
-      var map = function (f) {
-        return some(f(a));
-      };
       var bind = function (f) {
         return f(a);
       };
@@ -299,8 +285,8 @@
         is: function (v) {
           return a === v;
         },
-        isSome: always$1,
-        isNone: never$1,
+        isSome: always,
+        isNone: never,
         getOr: constant_a,
         getOrThunk: constant_a,
         getOrDie: constant_a,
@@ -308,35 +294,31 @@
         getOrUndefined: constant_a,
         or: self,
         orThunk: self,
-        map: map,
-        ap: function (optfab) {
-          return optfab.fold(none, function (fab) {
-            return some(fab(a));
-          });
+        map: function (f) {
+          return some(f(a));
         },
         each: function (f) {
           f(a);
         },
         bind: bind,
-        flatten: constant_a,
         exists: bind,
         forall: bind,
         filter: function (f) {
           return f(a) ? me : NONE;
         },
-        equals: function (o) {
-          return o.is(a);
-        },
-        equals_: function (o, elementEq) {
-          return o.fold(never$1, function (b) {
-            return elementEq(a, b);
-          });
-        },
         toArray: function () {
           return [a];
         },
         toString: function () {
           return 'some(' + a + ')';
+        },
+        equals: function (o) {
+          return o.is(a);
+        },
+        equals_: function (o, elementEq) {
+          return o.fold(never, function (b) {
+            return elementEq(a, b);
+          });
         }
       };
       return me;
@@ -351,13 +333,16 @@
     };
 
     var typeOf = function (x) {
-      if (x === null)
+      if (x === null) {
         return 'null';
+      }
       var t = typeof x;
-      if (t === 'object' && Array.prototype.isPrototypeOf(x))
+      if (t === 'object' && (Array.prototype.isPrototypeOf(x) || x.constructor && x.constructor.name === 'Array')) {
         return 'array';
-      if (t === 'object' && String.prototype.isPrototypeOf(x))
+      }
+      if (t === 'object' && (String.prototype.isPrototypeOf(x) || x.constructor && x.constructor.name === 'String')) {
         return 'string';
+      }
       return t;
     };
     var isType = function (type) {
@@ -366,30 +351,33 @@
       };
     };
     var isString = isType('string');
+    var isArray = isType('array');
     var isBoolean = isType('boolean');
     var isFunction = isType('function');
     var isNumber = isType('number');
 
+    var nativeSlice = Array.prototype.slice;
+    var nativePush = Array.prototype.push;
     var map = function (xs, f) {
       var len = xs.length;
       var r = new Array(len);
       for (var i = 0; i < len; i++) {
         var x = xs[i];
-        r[i] = f(x, i, xs);
+        r[i] = f(x, i);
       }
       return r;
     };
     var each = function (xs, f) {
       for (var i = 0, len = xs.length; i < len; i++) {
         var x = xs[i];
-        f(x, i, xs);
+        f(x, i);
       }
     };
     var filter = function (xs, pred) {
       var r = [];
       for (var i = 0, len = xs.length; i < len; i++) {
         var x = xs[i];
-        if (pred(x, i, xs)) {
+        if (pred(x, i)) {
           r.push(x);
         }
       }
@@ -427,19 +415,19 @@
     var find = function (xs, pred) {
       for (var i = 0, len = xs.length; i < len; i++) {
         var x = xs[i];
-        if (pred(x, i, xs)) {
+        if (pred(x, i)) {
           return Option.some(x);
         }
       }
       return Option.none();
     };
-    var push = Array.prototype.push;
     var flatten = function (xs) {
       var r = [];
       for (var i = 0, len = xs.length; i < len; ++i) {
-        if (!Array.prototype.isPrototypeOf(xs[i]))
+        if (!isArray(xs[i])) {
           throw new Error('Arr.flatten item ' + i + ' was not an array, input: ' + xs);
-        push.apply(r, xs[i]);
+        }
+        nativePush.apply(r, xs[i]);
       }
       return r;
     };
@@ -447,9 +435,8 @@
       var output = map(xs, f);
       return flatten(output);
     };
-    var slice = Array.prototype.slice;
     var reverse = function (xs) {
-      var r = slice.call(xs, 0);
+      var r = nativeSlice.call(xs, 0);
       r.reverse();
       return r;
     };
@@ -460,15 +447,16 @@
       return xs.length === 0 ? Option.none() : Option.some(xs[xs.length - 1]);
     };
     var from$1 = isFunction(Array.from) ? Array.from : function (x) {
-      return slice.call(x);
+      return nativeSlice.call(x);
     };
 
     var Global = typeof domGlobals.window !== 'undefined' ? domGlobals.window : Function('return this;')();
 
     var path = function (parts, scope) {
       var o = scope !== undefined && scope !== null ? scope : Global;
-      for (var i = 0; i < parts.length && o !== undefined && o !== null; ++i)
+      for (var i = 0; i < parts.length && o !== undefined && o !== null; ++i) {
         o = o[parts[i]];
+      }
       return o;
     };
     var resolve = function (p, scope) {
@@ -481,8 +469,9 @@
     };
     var getOrDie = function (name, scope) {
       var actual = unsafe(name, scope);
-      if (actual === undefined || actual === null)
-        throw name + ' not available on this browser';
+      if (actual === undefined || actual === null) {
+        throw new Error(name + ' not available on this browser');
+      }
       return actual;
     };
     var Global$1 = { getOrDie: getOrDie };
@@ -613,17 +602,8 @@
       fromPoint: fromPoint
     };
 
-    var liftN = function (arr, f) {
-      var r = [];
-      for (var i = 0; i < arr.length; i++) {
-        var x = arr[i];
-        if (x.isSome()) {
-          r.push(x.getOrDie());
-        } else {
-          return Option.none();
-        }
-      }
-      return Option.some(f.apply(null, r));
+    var lift2 = function (oa, ob, f) {
+      return oa.isSome() && ob.isSome() ? Option.some(f(oa.getOrDie(), ob.getOrDie())) : Option.none();
     };
 
     var fromElements = function (elements, scope) {
@@ -662,7 +642,7 @@
       for (var k = 0, len = props.length; k < len; k++) {
         var i = props[k];
         var x = obj[i];
-        f(x, i, obj);
+        f(x, i);
       }
     };
 
@@ -703,18 +683,20 @@
     var firstMatch = function (regexes, s) {
       for (var i = 0; i < regexes.length; i++) {
         var x = regexes[i];
-        if (x.test(s))
+        if (x.test(s)) {
           return x;
+        }
       }
       return undefined;
     };
     var find$1 = function (regexes, agent) {
       var r = firstMatch(regexes, agent);
-      if (!r)
+      if (!r) {
         return {
           major: 0,
           minor: 0
         };
+      }
       var group = function (i) {
         return Number(agent.replace(r, '$' + i));
       };
@@ -722,8 +704,9 @@
     };
     var detect = function (versionRegexes, agent) {
       var cleanedAgent = String(agent).toLowerCase();
-      if (versionRegexes.length === 0)
+      if (versionRegexes.length === 0) {
         return unknown();
+      }
       return find$1(versionRegexes, cleanedAgent);
     };
     var unknown = function () {
@@ -893,8 +876,7 @@
         name: 'Edge',
         versionRegexes: [/.*?edge\/ ?([0-9]+)\.([0-9]+)$/],
         search: function (uastring) {
-          var monstrosity = contains(uastring, 'edge/') && contains(uastring, 'chrome') && contains(uastring, 'safari') && contains(uastring, 'applewebkit');
-          return monstrosity;
+          return contains(uastring, 'edge/') && contains(uastring, 'chrome') && contains(uastring, 'safari') && contains(uastring, 'applewebkit');
         }
       },
       {
@@ -1024,19 +1006,22 @@
 
     var ELEMENT$1 = ELEMENT;
     var is = function (element, selector) {
-      var elem = element.dom();
-      if (elem.nodeType !== ELEMENT$1) {
+      var dom = element.dom();
+      if (dom.nodeType !== ELEMENT$1) {
         return false;
-      } else if (elem.matches !== undefined) {
-        return elem.matches(selector);
-      } else if (elem.msMatchesSelector !== undefined) {
-        return elem.msMatchesSelector(selector);
-      } else if (elem.webkitMatchesSelector !== undefined) {
-        return elem.webkitMatchesSelector(selector);
-      } else if (elem.mozMatchesSelector !== undefined) {
-        return elem.mozMatchesSelector(selector);
       } else {
-        throw new Error('Browser lacks native selectors');
+        var elem = dom;
+        if (elem.matches !== undefined) {
+          return elem.matches(selector);
+        } else if (elem.msMatchesSelector !== undefined) {
+          return elem.msMatchesSelector(selector);
+        } else if (elem.webkitMatchesSelector !== undefined) {
+          return elem.webkitMatchesSelector(selector);
+        } else if (elem.mozMatchesSelector !== undefined) {
+          return elem.mozMatchesSelector(selector);
+        } else {
+          throw new Error('Browser lacks native selectors');
+        }
       }
     };
 
@@ -1056,12 +1041,10 @@
     var is$1 = is;
 
     var parent = function (element) {
-      var dom = element.dom();
-      return Option.from(dom.parentNode).map(Element.fromDom);
+      return Option.from(element.dom().parentNode).map(Element.fromDom);
     };
     var children = function (element) {
-      var dom = element.dom();
-      return map(dom.childNodes, Element.fromDom);
+      return map(element.dom().childNodes, Element.fromDom);
     };
     var child = function (element, index) {
       var cs = element.dom().childNodes;
@@ -1107,6 +1090,15 @@
       var r = element.dom().nodeName;
       return r.toLowerCase();
     };
+    var type = function (element) {
+      return element.dom().nodeType;
+    };
+    var isType$1 = function (t) {
+      return function (element) {
+        return type(element) === t;
+      };
+    };
+    var isElement = isType$1(ELEMENT);
 
     var rawSet = function (dom, key, value) {
       if (isString(value) || isBoolean(value) || isNumber(value)) {
@@ -1130,7 +1122,7 @@
     };
 
     var isSupported = function (dom) {
-      return dom.style !== undefined;
+      return dom.style !== undefined && isFunction(dom.style.getPropertyValue);
     };
 
     var internalSet = function (dom, property, value) {
@@ -1177,10 +1169,7 @@
       }
     };
     var appendSegments = function (head$1, tail) {
-      liftN([
-        last(head$1),
-        head(tail)
-      ], joinSegment);
+      lift2(last(head$1), head(tail), joinSegment);
     };
     var createSegment = function (scope, listType) {
       var segment = {
@@ -1270,7 +1259,7 @@
       return map(content, deep);
     };
     var createEntry = function (li, depth, isSelected) {
-      return parent(li).map(function (list) {
+      return parent(li).filter(isElement).map(function (list) {
         return {
           depth: depth,
           isSelected: isSelected,
@@ -1302,17 +1291,20 @@
     var baseMerge = function (merger) {
       return function () {
         var objects = new Array(arguments.length);
-        for (var i = 0; i < objects.length; i++)
+        for (var i = 0; i < objects.length; i++) {
           objects[i] = arguments[i];
-        if (objects.length === 0)
+        }
+        if (objects.length === 0) {
           throw new Error('Can\'t merge zero objects');
+        }
         var ret = {};
         for (var j = 0; j < objects.length; j++) {
           var curObject = objects[j];
-          for (var key in curObject)
+          for (var key in curObject) {
             if (hasOwnProperty.call(curObject, key)) {
               ret[key] = merger(ret[key], curObject[key]);
             }
+          }
         }
         return ret;
       };
@@ -1474,10 +1466,7 @@
     };
     var getItemSelection = function (editor) {
       var selectedListItems = map(Selection.getSelectedListItems(editor), Element.fromDom);
-      return liftN([
-        find(selectedListItems, not(hasFirstChildList)),
-        find(reverse(selectedListItems), not(hasFirstChildList))
-      ], function (start, end) {
+      return lift2(find(selectedListItems, not(hasFirstChildList)), find(reverse(selectedListItems), not(hasFirstChildList)), function (start, end) {
         return {
           start: start,
           end: end
@@ -1529,17 +1518,17 @@
     var SplitList = { splitList: splitList };
 
     var outdentDlItem = function (editor, item) {
-      if (is$1(item, 'DD')) {
-        mutate(item, 'DT');
-      } else if (is$1(item, 'DT')) {
+      if (is$1(item, 'dd')) {
+        mutate(item, 'dt');
+      } else if (is$1(item, 'dt')) {
         parent(item).each(function (dl) {
           return SplitList.splitList(editor, dl.dom(), item.dom());
         });
       }
     };
     var indentDlItem = function (item) {
-      if (is$1(item, 'DT')) {
-        mutate(item, 'DD');
+      if (is$1(item, 'dt')) {
+        mutate(item, 'dd');
       }
     };
     var dlIndentation = function (editor, indentation, dlItems) {