Hi,

In message "Re: [ruby-core:26650] [Feature #2350] Unicode specific function=
ality on String in 1.9"
    on Mon, 9 Nov 2009 23:29:42 +0900, Manfred Stienstra <redmine@ruby-lang=
.org> writes:

|I was wondering is there are any plans to include Unicode aware methods fo=
r Unicode encodings on String? For example, upcase and downcase only handle=
 ASCII characters at the moment.
|
|cafe =3D "Caf=E9"
|cafe.encoding # =3D> #<Encoding:UTF-8>
|"Caf=E9".upcase # =3D> CAF=E9

As far as I understand, the Unicode case conversion requires
additional language information for e.g. Turkish i.  And some
conversion does not round-trip e.g. German SS.  Use unicode gem
instead.

							matz.