Found it!

[Aaron Turner <aturner@linuxkb.org>]

Took me less time than I thought :)

Pretty simple.  Drill down a bit, then switch to advanced search.  Oops!
drill down some more and switch back to simple.  You can keep doing this
forever and get different urls till the cows come home.

I've disabled indexing of dev.linuxkb.org on Vodka until this is fixed.

--
Aaron Turner, Core Developer       http://vodka.linuxkb.org/~aturner/
Linux Knowledge Base Organization  http://linuxkb.org/
Because world domination requires quality open documentation.
aka: aturner@vicinity.com, aturner@pobox.com, ion_beam_head@ashtech.net