As reported here [1], it is not possible to reply to the following comments posted to this talk page [2]:
- Comment posted at **16:30, 10 December 2019 (UTC)**
- Comment posted at **02:50, 12 December 2019 (UTC)**
=== Expected behavior
1. Go to: https://en.wikipedia.beta.wmflabs.org/wiki/Talk:Dog
2. Click the "Reply" link appended to either of the following comments:
-- Comment posted at **16:30, 10 December 2019 (UTC)**
-- Comment posted at **02:50, 12 December 2019 (UTC)**
3. Compose a reply
4. Click "Reply"
5. ✅ Notice your comment has successfully been published to the talk page
=== Actual behavior
1. Go to: https://en.wikipedia.beta.wmflabs.org/wiki/Talk:Dog
2. Click the "Reply" link appended to either of the following comments:
-- Comment posted at **16:30, 10 December 2019 (UTC)**
-- Comment posted at **02:50, 12 December 2019 (UTC)**
3. Compose a reply
4. Click "Reply"
5. ⚠️ Notice a yellow rectangular highlight appears where one would expect their comment to be posted, but your comment has not been posted to the talk page and no trace of the comment you just "posted" is shown in the talk page's History page.
=== Additional context
The person who first reported this issue, @alsee, noted this [earlier edit](https://en.wikipedia.beta.wmflabs.org/w/index.php?title=Talk:Cats&diff=prev&oldid=407463) might be the cause of the inability to the comments above.
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1. https://www.mediawiki.org/w/index.php?title=Topic:Vcwvt3bq03o5gv8h&topic_showPostId=vd8593amh18c3myw#flow-post-vd8593amh18c3myw
2. https://en.wikipedia.beta.wmflabs.org/wiki/Talk:Cats