anchor.diff:          <% log_output.each do |line| %>
             <li>
               <% if fetch(:github_url, nil) %>
  -            <a href="#"><%= line[0] %></a>
  +            <a href="<%= github_url %>/commit/<%= line[0] %>"><%= line[0] %></a>
               <% else %>
               <%= line[0] %>
               <% end %>
  
positive.code: 
      .log ul li a:hover {
        text-decoration: underline;
      }
  
    </style>
  
negative.code:       width: 15%;
        margin-right: 10px;
        display: inline-block;
        white-space: nowrap;
  
        clear: both;
      }
  