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Possible Duplicate:
Synonymous meta tags about tagging

Why do we have both and on meta?

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Both exist, because they refer to different kinds of requests.

Tag synonym requests

These are about creation of tag synonyms, i.e. connecting two tags such that using them is equivalent, with both essentially having the same questions list. An example is (the "real" tag) and (the synonym).

While users can, in theory, set up tags themselves, this requires answer scores of 5 or more for users that'd vote about it, which is often too much, so this requires diamond moderators to handle.

Retag requests

These are mainly requests to disambiguate ambiguous tags (like e.g. , which can be both compact disks and the cd command line command), or changing a tag's name, or maybe deleting useless tags.

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