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1:42 PM
The algebra tag is no longer being used, as "algebra" can mean very different things. If you mean the sort of algebra one might encounter in high school, relating to solving or graphing equations or functions, use the [algebra-precalculus] tag. If you mean the sort of algebra in which groups, rings, fields, etc. appear, use the [abstract-algebra] tag.
This goes more-or-less along the suggestions in this thread: Disambiguation pseudo-tags.
So if I understand his intentions correctly, we should keep a few questions tagged , so that the tag-wiki and tag-excerpt is not deleted.
But it would be nice if this would be mentioned somewhere explicitly. (Meta seems the best place. Perhaps some comments whether this is a workable idea can be added in this chatroom, too.)
As can be seen from comments here, the tag-wiki of an empty tag is deleted together with that tag.
 
2:04 PM
I've pinged him at one of his answers, and gave a link to my message above.
So perhaps he will leave some explanation when he is online.
By checking his last activity on the site, I found out that he removed the tag from a question about a minute after editing the tag-wiki. So it might be possible that he is unaware of the fact, that the tag-wiki is deleted when a tag is empty......? (shrug)
 
2:43 PM
@Martin: Yes, I am tempted to leave one or two questions with the algebra tag so that it doesn't go away, to prevent the constant untagging. And you're right: although I know that tagwikis are deleted when tags are empty (or once a day when the tags are empty, or however often it actually happens) I was not thinking about that at all
@MartinSleziak And this precisely the thing that I'm hoping to try. I didn't see your answer before, but it's a great idea (and Henning's disambiguation tag idea, too). What do you think?
 
3:10 PM
@mixedmath I do not object against trying this with algebra tag. Perhaps we can leave the tags as they are and we will see whether someone will eradicate the tag (and, consequently, the tag-wiki). Or perhaps you could post an answer to some of the older threads relevant to this explaining that you have done this and what's the reasoning behind it.
(Posting at meta would make more people aware that we want to leave a few questions in that tag. And if someone disagrees with this solution, he would have possibility to explain his/her arguments there.)
Anyway I can promise that I will show some restraint and I won't retag if (algebra) has less than 5 questions.
 

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