Validate '|' cannot be in a password

http://manage.dimagi.com/default.asp?60104

Monkey patches set_password. Displays "'|' is not allowed in a password" as the error in all three possible locations.
How come you don't just let the error bleed through the way you did in the other two places? (If you choose to go that route, I'd signal that explicitly in the error message by wrapping it in `_(...)`