Another example:
https://en.wikipedia.org/wiki/Wikipedia:Village_pump_(technical)?diff=534673082
has this:
<span class="comment">(<a href="#Hold_the_champaign">→</a>‎<span dir="auto"><span class="autocomment">Hold the champaign: </span> :Actually, your first deleted edit (according to <a href="/wiki/Special:DeletedContributions" title="Special:DeletedContributions">Special:DeletedContributions</a>) was to <a href="/w/index.php?title=Be_in_Birmingham_2008&amp;action=edit&amp;redlink=1" class="new" title="Be in Birmingham 2008 (page does not exist)">Be in Birmingham 2008</a> on October 17, 2003. I'm not sure what the January 26 edit would be—possibly a database inconsistency. ~~~~</span>)</span>

but

has links in [[wikitext syntax]]:

<summary xmlns="http://www.w3.org/2005/Atom" type="html">/* Hold the champaign */ :Actually, your first deleted edit (according to [[Special:DeletedContributions]]) was to [[Be in Birmingham 2008]] on October 17, 2003. I'm not sure what the January 26 edit would be—possibly a database inconsistency. ~~~~ (Ucucha)</summary>