Interesting. It's GPL/GPL-compatible? Maybe
I'll have a look at that
Yes, sure, it was originally created by Magnus on
commons and is now
maintained by some other people there (mainly Lupo and occasionaly myself)
sometime and merge it into core if it seems suitable.
It seems like
at least some parts should be server-side: surely it currently needs
to retrieve the text of the page, parse it in the client, and resubmit
it ?
No. The categories are parsed from the rendered page in "catlinks"
(there is a
blacklist for license categories). The API is used to suggest categories
while typing (very useful).
http://commons.wikimedia.org/wiki/MediaWiki:Gadget-HotCat.js
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