Last modified: 2011-08-30 21:06:22 UTC
UW has some internal filename checks, which block titles like "IMG 0665". TitleBlacklist also blocks those, which means sometimes two errors are generated. It's confusing. The internal regexes should be disabled when TitleBlacklist is enabled. They could also be integrated more tightly, but that's probably not necessary. This is in the live, as-you-type filename checks.
Fixed in r95815