At the moment, you can enter both lowercase and uppercase characters in the character boxes.
This confuses users as they don't know if case is ignored.
A confused user is never a good idea.
Ideally, either everything is uppercase or lowercase.
Uppercase is most likely user-friendlier as long as lowercase letters are also accepted
DoD
[x] no lowercase letters are shown anymore
[x] entering a lowercase letter automatically converts it to uppercase
Description
At the moment, you can enter both lowercase and uppercase characters in the character boxes. This confuses users as they don't know if case is ignored. A confused user is never a good idea. Ideally, either everything is uppercase or lowercase. Uppercase is most likely user-friendlier as long as lowercase letters are also accepted
DoD