anchor.diff:        cozy.control.widget.panel({
           region: 'top.toolbar.left',
           data: { title: "<%= @citable_link %>"},
  -  	    template: `<div class="permalink-label"><label class="u-screenreader" for="permalink">Permalink</label><form><input data-slot="title" type="text" id="permalink" value="" readonly="readonly" onclick="this.select(); document.execCommand('copy');"></form></div>`,
  +  	    template: '<div class="permalink-label"><label class="u-screenreader" for="permalink">Permalink</label><form><input data-slot="title" type="text" id="permalink" value="" readonly="readonly" onclick="this.select(); document.execCommand(\'copy\');"></form></div>',
         }).addTo(reader);
         // Citation widget
         cozy.control.citation({ region: 'top.toolbar.left' }).addTo(reader);
  
positive.code:   <meta name="turbolinks-cache-control" content="no-cache">
  <% end %>
  <% provide :body do %>
  <% if defined? @presenter.file_set_coins_title %>
    <span class="Z3988" title="<%= @presenter.file_set_coins_title %>"></span>
  <% end %>
  <div id="epub" class="<%= @subdomain %>">
  
negative.code:       cozy.control.widget.button({
    	    region: 'top.header.left',
    	    data: { label: '<i class="icon-x oi" data-glyph="x" aria-hidden="true"></i>'},
    	    template: '<button class="button--sm cozy-close" data-toggle="button" data-slot="label" aria-label="Close reader"></button>',
    	    onClick: function() { window.location = "<%= "#{@back_link}" %>"; }
        }).addTo(reader);
        // Press brand widget
  