Re: Ghostscript fails with special characters in filename

[Reinhold Kainhofer]

-----BEGIN PGP SIGNED MESSAGE-----
Hash: SHA1

Am Donnerstag, 20. August 2009 11:37:55 schrieb Patrick McCarty:
> On 2009-08-20, Reinhold Kainhofer wrote:
> > Am Donnerstag, 20. August 2009 10:48:09 schrieb Reinhold Kainhofer:
> > > Yes, I think that's the case here. It seems that gs is well able
> > > to handle 16- bit unicode characters, but it needs the correct
> > > file name.
> > >
> > > A little more playing around shows this: Calling "lilypond --png
> > > ĉacâ.ly" prints an error message: Error: /undefinedfilename in
> > > (\304\\x89ac\303\242.ps) As you can see, the high-byte character
> > > is written as \x89ac, however, the backslash is escaped, which of
> > > course makes it an invalid UTF-8 character considering the \304
> > > before...
> >
> > [...]
> >
> > > So, basically, lilypond messes up the proper UTF-8 encoding of the
> > > external utility calls.
> >
> > Hmm, it seems that it is actually guile's fault:
> > guile> (simple-format #f "~asdfasdf" "ĉâ")
> > "�\x89âsdfasdf"
> > guile> (simple-format #f "~a b âĉ" "ĉâ")
> > "�\x89â b â�\x89"
> > guile> "âĉ"
> > "â�\x89"
> >
> > To me this seems like guile is not able to properly handle wide UTF-8
> > characters properly and messes up the wide characters.
>
> I've been following the Guile mailing lists recently, and it sounds
> like UTF-8 handling will be improved in the next stable release.
>
> In the meantime, does this patch work?

Yes, using ly:format instead of simple-format works here.

Cheers,
Reinhold
- -- 
- ------------------------------------------------------------------
Reinhold Kainhofer, address@hidden, http://reinhold.kainhofer.com/
 * Financial & Actuarial Math., Vienna Univ. of Technology, Austria
 * http://www.fam.tuwien.ac.at/, DVR: 0005886
 * LilyPond, Music typesetting, http://www.lilypond.org
-----BEGIN PGP SIGNATURE-----
Version: GnuPG v1.4.9 (GNU/Linux)

iD8DBQFKjRvJTqjEwhXvPN0RAjAoAJ9Bhnh6ik5cxtv9wsdHPGRoOCSF+gCfWH3Z
0C+7NTi60/TAh3dzkw0MRq4=
=o4ip
-----END PGP SIGNATURE-----