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If I enter [tag:X] on, it is rendered as a link to tag X on

Similarly if I post [tag:X] on chat, it is interpreted as a link to that tag on the SE site associated with that chat room.

I would like to be able to link to a tag on any SE site, not necessarily the one associated with that chat room. E.g. I would like to be able to include in a chat message associated with another site such as and have it link to the corresponding tag wiki in stackoverflow (not unix.)

As far as I know the closest you can get at the moment is <kbd> elements inside links (e.g. python) but that does not work in chat and does match the style of "real" taglinks.

Any chance of extending the markup syntax to permit this?

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marked as duplicate by animuson Oct 1 '13 at 23:47

This question has been asked before and already has an answer. If those answers do not fully address your question, please ask a new question.

Note that [meta-tag:X] exists as well. – John Jun 19 '12 at 2:37

This doesn't seem exceptionally useful in the general case. Why would the average person need to link to a tag on another site? It also seems like it would be confusing; seeing Programmers-specific tags on SO would be bad without an obvious indicator of "no, these aren't real tags here, don't try to use them in that burning question of yours".

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Because I want to discuss a SO tag on another programming-related SE site, and the tag has counterparts on both sites (as it is on-topic for both.) – finnw Jun 19 '12 at 15:29

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