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I received the privelege to suggest tag synonyms today, so I thought I'd have a poke around and see how to use it. When suggesting a synonym I got this mysterious dialog:

enter image description here

What does the error message mean in this context? My best guess is there was a false positive, with some sort of detection of the "3d" as being a version number, but even that seems a bit out of whack.

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up vote 4 down vote accepted

We are over careful with version numbers.

In the past people synonymized all sorts of wrong synonyms like -> and so on.

It is common to mistake a tag synonym with a tag hierarchy. The intention with synonyms is to catch cases where two tags are exactly the same thing like -> . We use the synonyms to enforce consistency.

When analysing the mistakes people made I discovered that if a number is involved, in any way, on either side of a synonym a moderator should get involved.

Take your specific case:

encompasses see:

However, contains no 2d functions that are contained in the parent library

The synonym you are trying to suggest is, in fact, wrong. The system is doing the right thing here.

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Doing the right thing, for the wrong reason? – wim Oct 21 '11 at 5:28
yeah exactly, do you have a better idea for the error message? – waffles Oct 21 '11 at 7:40
I don't know, maybe "Tag synonyms containing numbers can only be created by moderators"? – wim Oct 21 '11 at 8:08

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