anchor.diff:    }
   
     function deleteComment(file_id, row, editor) {
  +    cleanupPopovers();
       var jqxhr = $.ajax({
         type: 'DELETE',
         url: "/comments",
  
positive.code:   }
  
    function createComment(file_id, row, editor, commenttext){
      var jqxhr = $.ajax({
        data: {
          comment: {
  
negative.code:     currentEditor.on("guttermousedown", handleSidebarClick);
    });
  
    function cleanupPopovers() {
      // remove all possible popovers
      $('.editor > .ace_gutter > .ace_gutter-layer > .ace_gutter-cell').popover('destroy');
    }
  
    function setAnnotations(editor, fileid) {
      var session = editor.getSession();
  
  