Reported here: https://www.mediawiki.org/w/index.php?title=Topic:Vmu502mrhvk3l7ex&topic_showPostId=vmu502mrhzi5tbd5#flow-post-vmu502mrhzi5tbd5
If you enter Foo in visual mode as an anonymous user and choose it to be stroke through, it gets to this in source mode:
```
<s>Foo</s>
```
But after you save the change, the following is in the diff:
```
<s href="Special:Contributions/10.0.3.1">Foo</s>
```
See https://en.wikipedia.beta.wmflabs.org/w/index.php?title=Talk:Dogs&diff=424263&oldid=424262 for example
=== Open questions
- [ ] What in the code might be causing an `href` tag to be inserted when formatting text in the Reply tool's `visual` mode?
=== Done
- [ ] "Open questions" are answered.
- [ ] If root causes are identified, tickets are filed to resolve said issues.