Allura/allura/templates/repo/barediff.html

{% if a.has_image_view and b.has_image_view %}
  <img src="{{a.url()}}?format=raw"
       alt="{{h.text.truncate(a._commit._id, 10)}}"
       title="{{h.text.truncate(a._commit._id, 10)}}"/>
  <img src="{{b.url()}}?format=raw"
       alt="{{h.text.truncate(b._commit._id, 10)}}"
       title="{{h.text.truncate(b._commit._id, 10)}}"/>
{% else %}
  {{g.highlight(diff, lexer='diff')}}
{% endif %}