use raw title

lms/static/coffee/src/discussion/content.coffee

@@ -126,7 +126,7 @@ initializeFollowThread = (thread) ->
       else
         view = {
           id: id
-          title: $local(".thread-title").html()
+          title: $local(".thread-raw-title").html()
           body: $local(".thread-raw-body").html()
           tags: $local(".thread-raw-tags").html()
         }

lms/templates/discussion/_thread.html

@@ -63,6 +63,7 @@
     % else:
       <a class="thread-title" name="${content['id']}" href="javascript:void(0)">${content['title'] | h}</a>
     % endif
+    <div class="thread-raw-title" style="display: none">${content['title']}</div>
   % endif
 </%def>