<p>I will take a moment to give compliments where due, I really like the new post type and the separation between excerpt and body. Used it excellently in another tag wiki.</p>

<p>In order to test out a <a href="http://meta.stackexchange.com/questions/62930/odd-linkless-revisions-appearing-in-my-activity-list">revisions theory that waffles confirmed anyway</a>, I edited the tag wiki for <a href="http://gaming.stackexchange.com/questions/tagged/roguelikes">[roguelikes]</a> on Gaming. It was mostly intended as a dummy edit, as I don't have a full article to construct on it.</p>

<p>Now, I would like to revert it back to the original excerpt that calls for help.</p>

<blockquote>
  <p>The roguelikes tag has no wiki, would you like to <a href="http://gaming.stackexchange.com/tags/roguelikes/info" title="information about this tag">help us create it?</a></p>
</blockquote>

<p>However, formatting is explicitly forbidden from the excerpts (with good enough reason), so I can't manually enter it. The original state doesn't count as a revision so there is no capability to roll back to it. And I decided to give entering a blank excerpt a shot, but all that does is leave a blank excerpt.</p>

<p>Edge case, maybe? I don't know how often people will realize that they aren't quite complete in their tag wikis, or reset the call for aid on the excerpt. But it's something of a "nice" feature that could be looked into.</p>