From: Carlos <angus@...>
Date: 2003-09-27T01:28:06+09:00
Subject: Re: [newbie] upper to lower first letter of a word

> yes, fine, i discovered also that capitalization don't work on
> accentuated chars (as é)

You can use an old library named unicode:

irb(main):001:0> $KCODE="u"
=> "u"
irb(main):002:0> require "unicode"
=> true
irb(main):003:0> Unicode.capitalize("àëíôů")
=> "Àëíôů"

http://raa.ruby-lang.org/list.rhtml?name=unicode