anchor.diff:    <div class="panel-heading">
       <h3 class="panel-title">Timeline</h3>
     </div>
  -  <div id="timeline">
  -    <%= render 'timeline', data: @timeline_data %>
  -  </div>
  +  <%= render 'timeline', data: @timeline_data do %>
  +  <% end %>
   </div>
   
   <div class="panel panel-default">
  
positive.code:   border-top: 1px solid #888;
    background: #eee;
    width: 100%;
    height: 20em;
    position: fixed;
    bottom: 0;
    left: 0;
  
negative.code: 
          // keep focus on original clicked thing
          $($link).focus();
  
          var resizable = $('#caller-resizable');
          if (resizable.height() < 200) {
            resizable.height(200);
          }
        },
        error: function (data) {
          console.error('could not get source. data: ', data);
  