anchor.diff:  								li.list-group-item.wiki-item(data-name=wiki.name)
   									a(href=wiki.href)=wiki.name
   			// right panel - wiki preview
  -			.col-md-8
  +			.col-md-9
   				.panel.panel-default
   					.panel-heading
   						p.panel-title="Preview"
  
positive.code: 
  		script(type='text/javascript').
  			$(function(){
  				$('.wiki-item').click(function(){
  					$this = $(this);
  					var name = $this.data('name');
  					var url = "/preview/" + name;
  					$.get(url).then(function(html){
  							$('.preview').html(html);
  					});
  				});
  			});
  
negative.code: 		include nav
  		.row(style="padding: 8px")
  			// left panel - wiki list
  			.col-md-3
  				.panel.panel-default
  					.panel-heading
  						p.panel-title="Wikis"
  