anchor.diff:      var current_playlist = data[0];
       var current_item = data[0];
       var current_nest_level = 0;
  -    var parent_playlist = undefined;
       var working_content = '';
       for(var i = 0; i < lines.length; i++) {
         var line = lines[i];
  
positive.code:         } else if(working_content.match(/^#/)) {
            var this_nest_level = working_content.match(/^#*/)[0].length;
            if(this_nest_level > current_nest_level) {
              parent_playlist = current_playlist;
              current_playlist = current_item;
              current_nest_level = this_nest_level;
            } else if(this_nest_level < current_nest_level) {
              current_nest_level = current_nest_level - 1;
              current_playlist = parent_playlist;
            } 
            if(working_content.match(/^#*[A-Z]/)) {
              var type_char = working_content.match(/^#*[A-Z]/)[0].slice(this_nest_level);
  
negative.code:         type: 'post',
          dataType: 'json',
          url: '/playlists/submit_import',
          data: { data: playlists_import.clean_data(playlists_import.generate_data(false)) },
          beforeSend: function() {
            h2o_global.showGlobalSpinnerNode();
          },
  