Hi,

In message "Re: [ruby-core:25651] [Bug #2123] Non-ASCII symbols in class/module names do not work"
    on Sun, 20 Sep 2009 00:42:49 +0900, Seremel Tenno <redmine / ruby-lang.org> writes:

|Currently Ruby 1.9.1 (unlike 1.8.x) can create method name with a non-ASCII first letter (name). However it seems not possible to do so with class / module name.

The first-letter of class/module names should be uppercase letter
which is [A-Z], so it's intentional.

							matz.