> |  ruby -e'str="abc"; str.gsub!(/[aeiou]/) {|m| p m; m.upcase 
>            }; p str'
> |  "a"
> |  "Abc"
> It seems for me it's working nice.  What's wrong?

Forget it. My blunder. I read the code like I moved from \w to [a-z]. So the
I was somewhat surprised when the code matched only once with character
class. No wonder it matched only once, as there was no more vovels in the
string...

	 - Aleksi