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Is it common or appropriate to create a tag for finding equivalent functions between two languages, and what format should be used for such tags?

For instance, I have a question (and have seen questions on this) about porting from Matlab code to R. A short tag would be Matlab2R, which, frankly, looks dumb. Convert-Matlab-to-R seems more apropos, but verbose. Perhaps rewrite-matlab-r?

Update: I accepted the answer for two reasons. The first is that for less common language pairs on SO, introducing new tags is a bad idea: the number of subscribers will be low. It's best to use both of the languages. The second reason is more general: even for common pairs, such as C++ and Java, it's better to focus on the intended functionality, with an example drawn from the original language. In that case, it's probably best to just focus on the targeted language than the original language. With a larger user base, the targeted language won't often lack for people who grasp the idea. So, it's better to use the limited tags for specific functionality.

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Always keep in mind to keep such questions specific, SO is not a Code-Translation-Service. – Time Traveling Bobby Sep 29 '11 at 14:14
@PaddedCell Certainly. I have in mind a case like this one. I probably erred in mentioning translation, as this is more akin to "Does an equivalent function exist?" – Iterator Sep 29 '11 at 19:45
Hmm, out of curiosity, why is a question about whether to create new tags a bad question? Am I missing something? I now believe it's bad to create the new tags, but am not sure how I went astray in asking about that. C'est la vie. – Iterator Sep 29 '11 at 19:55
@PaddedCell Thanks! In this case the downvotes are definitely educational. :) Thanks again. – Iterator Sep 29 '11 at 20:01
up vote 11 down vote accepted

Just tag them and . That's how people will naturally search for those questions.

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Beat me to it... – Time Traveling Bobby Sep 29 '11 at 14:13
This is the simpler way, and the correct one, IMO. I doubt there are users who are looking for questions about converting Matlab to R; still who can answer to those questions are users who know both Matlab and R. – kiamlaluno Sep 29 '11 at 14:17
Hmm, I suppose you're right. The #s of followers for each are rather small after all. – Iterator Sep 29 '11 at 14:24

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