Protect asciimath2jax in seq_contents, fix choiceresponse on CS169x

lms/djangoapps/courseware/module_render.py

@@ -374,7 +374,7 @@ def modx_dispatch(request, dispatch, location, course_id):
     # ''' (fix emacs broken parsing)
 
     # Check for submitted files and basic file size checks
-    p = request.POST.dict()
+    p = request.POST.copy()
     if request.FILES:
         for fileinput_id in request.FILES.keys():
             inputfiles = request.FILES.getlist(fileinput_id)

lms/templates/seq_module.html

@@ -21,7 +21,7 @@
   </nav>
 
   % for item in items:
-  <div class="seq_contents tex2jax_ignore">${item['content'] | h}</div>
+  <div class="seq_contents tex2jax_ignore asciimath2jax_ignore">${item['content'] | h}</div>
   % endfor
   <div id="seq_content"></div>