Now that the maximum tag length has been increased to 35, I've been spending some time browsing older retag requests to see which ones can now be completed.
On one such request, I tried posting the following answer:
Now that the maximum tag length has been increased to 35, I see no reason why this tag can't be fixed.
I was then notified "Trivial answer converted to comment".
In this scenario, I think this is a significant enough development that it should be posted as an answer, and not as a comment.
How can I prevent my answer from being auto-converted to a comment?