On 01/04/2014 09:52 PM, Matthew Flaschen wrote:
This is really a UX question, not design per se.
https://gerrit.wikimedia.org/r/#/c/104926/ (an under-review change) adds a warning if you choose a username that needs to be reformatted/canonicalized. For example, "my username" is changed to "My username".
Umherirrender abandoned the change for now. However, they created a bug to track it, https://bugzilla.wikimedia.org/show_bug.cgi?id=61416
Matt Flaschen