Last modified: 2012-05-15 14:21:19 UTC
Some pages giving a 404, examples: http://en.wikipedia.org/wiki/Combinatorics (which exists) http://en.wikipedia.org/wiki/Wikipedia:Bug (which does not)
Tweaked components and summary, seems to be a WMF problem.
*** Bug 21328 has been marked as a duplicate of this bug. ***
*** Bug 21329 has been marked as a duplicate of this bug. ***
*** Bug 21330 has been marked as a duplicate of this bug. ***
*** Bug 21331 has been marked as a duplicate of this bug. ***
This was fixed. IIRC, an upload squid was in the text squids list for Europe, causing these 404s.