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8:01 AM
What are some problematic tags which people who want to help with tagging should keep an eye on?
If this suggestion is implemented at some point, we will no longer have to worry about these tags getting new questions: The existing deprecated tags should be blacklisted.
There are also some tags which were deprecated or removed in the past - if somebody creates one of those tags again, they should be removed.
And the tag is a special case. It was deprecated, removed, then reappeared, and now it it a synonym of .
As mentioned by François G. Dorais in chat, there is currently a synonym (topology) $\to$ (gn.general-topology). Based on his comment, it seems to be a test to see whether this will lead to some incorrectly tagged questions or not. — Martin Sleziak Nov 21 '17 at 9:45
And there are also a few tags which are quite often used incorrectly and if they appear, it is worth have a look at the question and whether it has correct tags. I would mention these ones: , , and probably also and . mathoverflow.net/questions/tagged/…
The tag is somewhat special case. If it appears in a recently bumped question, then it should be removed. More details about this tag can be found in the links given here: mathoverflow.net/tags/tag-removed/info
 

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