surwiki/templates/article_revision.html

<div class="notice">
    <p>
        You are viewing an historical version of <a href="{{link_current}}">this article</a>,
        authored at {{{timestamp_and_author}}}.
    </p>
    <p>
        {{#diff_link}}See <a href="{{.}}">the changes</a> made for this revision.{{/diff_link}}
        {{^diff_link}}This is the first revision of the article.{{/diff_link}}
    </p>
</div>

{{{rendered}}}