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