On Wed, 08 Jan 2014 02:14:16 +0100, Jon Robson jdlrobson@gmail.com wrote:
FWIW I find the fact we support case insensitive usernames extremely confusing and a bad user experience that we should try to rectify - both 'Jimbo_wales' and 'Jimbo_Wales' users exist leading to all sorts of confusing and unnecessary mistaken identity editing possibilities. I know of no other websites that do this and it makes sense not to...
Registering such usernames is, as far as I know, currently blocked by the AntiSpoof extension. (Administrators can bypass these restrictions if they wish to.)