Revert "EDUCATOR-3764 Mathjax accessibility files"

common/static/common/js/discussion/mathjax_include.js

@@ -42,15 +42,6 @@ if (typeof MathJax === 'undefined') {
             });
         };
     };
-
-    // Automatic loading of Mathjax accessibility files
-    window.MathJax = {
-        menuSettings: {
-            collapsible: true,
-            autocollapse: true,
-            explorer: true
-        }
-    };
-    vendorScript.src = 'https://cdn.jsdelivr.net/npm/mathjax@2.7.5/MathJax.js?config=TeX-MML-AM_SVG';
+    vendorScript.src = 'https://cdnjs.cloudflare.com/ajax/libs/mathjax/2.7.1/MathJax.js?config=TeX-MML-AM_SVG';
     document.body.appendChild(vendorScript);
 }

common/static/common/js/discussion/utils.js

@@ -482,10 +482,10 @@
                 this.postMathJaxProcessor(this.markdownWithHighlight(element.text()))
             );
 
+            this.typesetMathJax(element);
         };
 
         DiscussionUtil.typesetMathJax = function(element) {
-
             if (typeof MathJax !== 'undefined' && MathJax !== null) {
                 MathJax.Hub.Queue(['Typeset', MathJax.Hub, element[0]]);
             }

common/static/common/js/discussion/views/discussion_thread_show_view.js

@@ -59,12 +59,13 @@
                 this.renderAttrs();
                 this.$('span.timeago').timeago();
                 this.convertMath();
+                this.$('.post-body');
+                this.$('h1,h3');
                 return this;
             };
 
             DiscussionThreadShowView.prototype.convertMath = function() {
                 DiscussionUtil.convertMath(this.$('.post-body'));
-                DiscussionUtil.typesetMathJax(this.$('.post-body'));
             };
 
             DiscussionThreadShowView.prototype.edit = function(event) {

common/static/common/js/discussion/views/discussion_thread_view.js

@@ -317,10 +317,7 @@
                 if (options.focusAddedResponse) {
                     this.focusToTheAddedResponse(view.el);
                 }
-
-                // Typeset the response when initially loaded for any forum
-                DiscussionUtil.typesetMathJax(view.$el);
-                return view;
+                DiscussionUtil.typesetMathJax(view.$el.find('.js-response-list'));
             };
 
             DiscussionThreadView.prototype.renderAddResponseButton = function() {
@@ -348,7 +345,7 @@
             };
 
             DiscussionThreadView.prototype.submitComment = function(event) {
-                var body, comment, url, view;
+                var body, comment, url;
                 event.preventDefault();
                 url = this.model.urlFor('reply');
                 body = this.getWmdContent('reply-body');
@@ -368,7 +365,7 @@
                     user_id: window.user.get('id')
                 });
                 comment.set('thread', this.model.get('thread'));
-                view = this.renderResponseToList(comment, '.js-response-list', {
+                this.renderResponseToList(comment, '.js-response-list', {
                     focusAddedResponse: true
                 });
                 this.model.addComment();
@@ -382,9 +379,8 @@
                         body: body
                     },
                     success: function(data) {
-                         comment.updateInfo(data.annotated_content_info);
-                         comment.set(data.content);
-                         DiscussionUtil.typesetMathJax(view.$el.find('.response-body'));
+                        comment.updateInfo(data.annotated_content_info);
+                        return comment.set(data.content);
                     }
                 });
             };

common/static/common/js/discussion/views/response_comment_show_view.js

@@ -72,8 +72,6 @@
 
             ResponseCommentShowView.prototype.convertMath = function() {
                 DiscussionUtil.convertMath(this.$el.find('.response-body'));
-                DiscussionUtil.typesetMathJax(this.$el.find('.response-body'));
-
             };
 
             ResponseCommentShowView.prototype._delete = function(event) {

common/static/common/js/discussion/views/thread_response_view.js

@@ -82,9 +82,7 @@
 
             ThreadResponseView.prototype.render = function() {
                 this.$el.addClass('response_' + this.model.get('id'));
-
-                // Setting the HTML through utils to cope for tag-less text
-                edx.HtmlUtils.setHtml(this.$el, edx.HtmlUtils.HTML(this.renderTemplate()));
+                this.$el.html(this.renderTemplate());
                 this.delegateEvents();
                 this.renderShowView();
                 this.renderAttrs();
@@ -311,7 +309,6 @@
                 event.preventDefault();
                 this.createShowView();
                 this.renderShowView();
-                DiscussionUtil.typesetMathJax(this.$el.find('.response-body'));
                 return this.showCommentForm();
             };
 
@@ -345,7 +342,6 @@
                         });
                         self.createShowView();
                         self.renderShowView();
-                        DiscussionUtil.typesetMathJax(self.$el.find('.response-body'));
                         return self.showCommentForm();
                     }
                 });