Can anyone tell me how to delete spam pages on the wiki?

[talkingnews]

Click this:
http://wiki.nginx.org/index.php?title=Special:Search&limit=500&offset=0&redirs=1&profile=default&search=a+

See the problem?! I stopped counting at 500 pages. It gets kinda tedious
searching for info to end up wading through wedding dress and SEO spam and
finding out "how to finger you woman".

I can't seem to do anything except "blank" the pages - my wiki username is
talkingnews. If someone can give me "the power", I promise not to be
malicious, but when I get a spare 10 minutes from time to time I'll go
through and delete 100 or so spams.

Posted at Nginx Forum: http://forum.nginx.org/read.php?2,250445,250445#msg-250445