The tags and clearly refer to the same program. Unfortunately, the file is called fifteen.c while the problem set refers to "The Game of Fifteen" so people will instinctively try to use both of these names, and they don't start with the same letters so people won't always see one when they start typing the other.

Generally speaking, multiple-word tags are hyphenated rather than run together. I think the proper way to deal with this is to replace with (much easier to read, isn't it?) and make a synonym for the full, hyphenated version of the tag.

This way, we only have to retag 6 questions. The tag synonym would have to be proposed by Kareem or curiouskiwi (1,250 rep privilege).

2 Answers 2


I renamed the [gameoffifteen] tag to and merged the questions tagged [fifteen] into the renamed tag. A tag synonym for "fifteen" is not necessary because text completion will show users the correct tag to use.


We can't add "game-of-fifteen" as a tag because "gameoffifteen" already exists. I think only moderators are allowed to edit an existing tag to add punctuation to it.

I can't make "fifteen" a synonym for "gameoffifteen" (because I don't have a +5 tag score for "gameoffifteen"). And only people with a +5 score on the tag can vote to approve the synonym and that needs 4 votes (which means at least 5 people have to have +5 score on the tag.) I don't think we have 5 people who meet that criteria.

  • A way around the first obstacle would be to remove the "gameoffifteen" tag and wait for it to be automatically pruned once it applies to zero posts. I'm not sure how to get around the score requirement to approve the synonym; I looked earlier and couldn't find many folks who qualified (but I did upvote a few worthy answers to move us in that direction).
    – Air
    Aug 4, 2014 at 23:22
  • The way around all of it is to get a moderator to just do it. :) I'll chat with Glenn...
    – curiouskiwi Mod
    Aug 4, 2014 at 23:24

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