capital letter unaccepted in username?

[tamas6]

it throw "invalid"

[tfius]

namehash only accepts lowercase asci letters and numbers, this is to remove potential unicode character manipulation

[tfius]

we should add more info on this to the create account app though

[tamas6]

we should add more info on this to the create account app though

As even I always forget this, it is very recommended to indicate
I cannot edit this repo, but I recommend setting the Documentation or Enhancement label