Mediawiki does support tagging. Just add [[Category:tag word]] to the bottom of the page! Super easy, works out of the box. Someone would need to convince me that tags and categories are actually different concepts. Warning: a search for "tags categories -wordpress" returned mostly porn results.
There is an extension called Multi-Category Search or some such, but it's pretty crufty, and having looked at it a little bit, I've never felt confident enough to approve it. DPL does everything we need, except to provide a good UI so that normal people can use it.
There is an extension called Multi-Category Search or some such, but it's pretty crufty, and having looked at it a little bit, I've never felt confident enough to approve it. DPL does everything we need, except to provide a good UI so that normal people can use it.
"Kitto daijoubu da yo." - Sakura Kinomoto