diff --git a/ts/input/asciimath/mathjax2/legacy/MathJax.js b/ts/input/asciimath/mathjax2/legacy/MathJax.js
index 903ede297..9f2d1798b 100644
--- a/ts/input/asciimath/mathjax2/legacy/MathJax.js
+++ b/ts/input/asciimath/mathjax2/legacy/MathJax.js
@@ -19,7 +19,9 @@ exports.MathJax = MathJax;
     return obj;
   };
   var CONSTRUCTOR = function () {
-    return function () {return arguments.callee.Init.call(this,arguments)};
+
+    return function aaa() {return aaa.Init.call(this,Object.assign(arguments,{call:aaa}))};
+
   };
 
   BASE.Object = OBJECT({
@@ -40,7 +42,7 @@ exports.MathJax = MathJax;
     Init: function (args) {
       var obj = this;
       if (args.length === 1 && args[0] === PROTO) {return obj}
-      if (!(obj instanceof args.callee)) {obj = new args.callee(PROTO)}
+      if (!(obj instanceof args.call)) {obj = new args.call(PROTO)}
       return obj.Init.apply(obj,args) || obj;
     },
     
@@ -65,7 +67,7 @@ exports.MathJax = MathJax;
   
     prototype: {
       Init: function () {},
-      SUPER: function (fn) {return fn.callee.SUPER},
+      SUPER: function (fncall) {return fncall.SUPER},
       can: function (method) {return typeof(this[method]) === "function"},
       has: function (property) {return typeof(this[property]) !== "undefined"},
       isa: function (obj) {return (obj instanceof Object) && (this instanceof obj)}
@@ -177,7 +179,7 @@ exports.MathJax = MathJax;
   //  Create a callback from an associative array
   //
   var CALLBACK = function (data) {
-    var cb = function () {return arguments.callee.execute.apply(arguments.callee,arguments)};
+    var cb = function ccc() {return ccc.execute.apply(ccc,arguments)};
     for (var id in CALLBACK.prototype) {
       if (CALLBACK.prototype.hasOwnProperty(id)) {
         if (typeof(data[id]) !== 'undefined') {cb[id] = data[id]}
diff --git a/ts/input/asciimath/mathjax2/legacy/jax/element/JSON.js b/ts/input/asciimath/mathjax2/legacy/jax/element/JSON.js
index d158bbf30..2abfcf81b 100644
--- a/ts/input/asciimath/mathjax2/legacy/jax/element/JSON.js
+++ b/ts/input/asciimath/mathjax2/legacy/jax/element/JSON.js
@@ -56,8 +56,8 @@
   });
   
   MML.msubsup.Augment({
-    toJSON: function () {
-      var json = this.SUPER(arguments).toJSON.call(this);
+    toJSON: function ttt() {
+      var json = this.SUPER(ttt).toJSON.call(this);
       if (this.data[this.sub] == null) {
         json.type = "msup";
         json.children.splice(1,1);
@@ -71,8 +71,8 @@
   });
   
   MML.munderover.Augment({
-    toJSON: function () {
-      var json = this.SUPER(arguments).toJSON.call(this);
+    toJSON: function yyy() {
+      var json = this.SUPER(yyy).toJSON.call(this);
       if (this.data[this.munder] == null) {
         json.type = "mover";
         json.children.splice(1,1);
@@ -86,8 +86,8 @@
   });
   
   MML.TeXAtom.Augment({
-    toJSON: function () {
-      var json = this.SUPER(arguments).toJSON.call(this);
+    toJSON: function uuu() {
+      var json = this.SUPER(uuu).toJSON.call(this);
       json.type = "mrow";
       json.TeXAtom = MML.TEXCLASSNAMES[this.Get("texClass")];
       return json;
diff --git a/ts/input/asciimath/mathjax2/legacy/jax/element/mml/jax.js b/ts/input/asciimath/mathjax2/legacy/jax/element/mml/jax.js
index 96fb9186f..473aca11d 100644
--- a/ts/input/asciimath/mathjax2/legacy/jax/element/mml/jax.js
+++ b/ts/input/asciimath/mathjax2/legacy/jax/element/mml/jax.js
@@ -813,9 +813,9 @@ MathJax.ElementJax.mml.Augment({
       if (!(this.isEmbellished()) || typeof(this.core) === "undefined") {return this}
       return this.data[this.core].CoreMO();
     },
-    toString: function () {
+    toString: function qqq() {
       if (this.inferred) {return '[' + this.data.join(',') + ']'}
-      return this.SUPER(arguments).toString.call(this);
+      return this.SUPER(qqq).toString.call(this);
     },
     setTeXclass: function (prev) {
       var i, m = this.data.length;
@@ -1196,12 +1196,12 @@ MathJax.ElementJax.mml.Augment({
       }
     },
     linebreakContainer: true,
-    Append: function () {
+    Append: function www() {
       for (var i = 0, m = arguments.length; i < m; i++) {
         if (!((arguments[i] instanceof MML.mtr) ||
               (arguments[i] instanceof MML.mlabeledtr))) {arguments[i] = MML.mtr(arguments[i])}
       }
-      this.SUPER(arguments).Append.apply(this,arguments);
+      this.SUPER(www).Append.apply(this,arguments);
     },
     setTeXclass: MML.mbase.setSeparateTeXclasses
   });
@@ -1221,11 +1221,11 @@ MathJax.ElementJax.mml.Augment({
       mtable: {rowalign: true, columnalign: true, groupalign: true}
     },
     linebreakContainer: true,
-    Append: function () {
+    Append: function eee() {
       for (var i = 0, m = arguments.length; i < m; i++) {
         if (!(arguments[i] instanceof MML.mtd)) {arguments[i] = MML.mtd(arguments[i])}
       }
-      this.SUPER(arguments).Append.apply(this,arguments);
+      this.SUPER(eee).Append.apply(this,arguments);
     },
     setTeXclass: MML.mbase.setSeparateTeXclasses
   });
@@ -1420,9 +1420,9 @@ MathJax.ElementJax.mml.Augment({
   
   MML.xml = MML.mbase.Subclass({
     type: "xml",
-    Init: function () {
+    Init: function rrr() {
       this.div = document.createElement("div");
-      return this.SUPER(arguments).Init.apply(this,arguments);
+      return this.SUPER(rrr).Init.apply(this,arguments);
     },
     Append: function () {
       for (var i = 0, m = arguments.length; i < m; i++) {