Oops. Sorry about the empty message.
I recompiled MySQL with the 3-letter minimum instead of four, and implemented a search function on the new codebase. As with some other decisions, I went with speed over functionality I didn't see much use for, but I'm willing to be convinced. For example, Title matches and text matches are separated, and there is no total count of matches at the top (that's a whole query in itself, and I didn't think it was useful enough to be worth the time).
I trimmed down the amount of context shown with each hit, and added line numbers, just so that one gets an idea of the use of the term in context (and I put it in red).
When this search is satisfactory (I want to make at least one more tweak to solve the MySQL '' problem), that will be all of the major functionality of the Wiki, and only filling in a few special pages remains, so now is a good time for some major testing.
Also, I turned on the PHP option for really pedantic error checking, so if you get errors now that you didn't before, that's probably the reason (and please report them to http://sourceforge.net/tracker/?group_id=34373&atid=411192 ).
The test site is still http://www.piclab.com/newwiki/wiki.phtml
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