This issue has been resolved in the upstream CVS and will be included in
the upcoming 3.4 release.  The problem is that XaoS's built-in text
handling (the xprint function in grlib.c) only supports Latin-1 and
Latin-2 encodings.  On modern Linux systems (and Mac OS X), gettext
returns strings in UTF-8.  The solution is to convert the strings from
UTF-8 back to Latin-1 or Latin-2 as appropriate before displaying them
using XaoS's xprint function.

The meat of the changes are in grlib.c, but also, every call to xprint had to 
be updated to pass in the proper encoding, which is stored in the uih->encoding 
field (an integer 1 or 2 indicating Latin-1 or Latin-2 or 0 indicating that the 
encoding should not be changed).  For the help and
tutorials, we pass in a 0 to prevent the text from being re-encoded. Tutorials 
pull strings directly from the appropriate catalog file instead of using 
gettext, so the text is already in the proper encoding.  Help is not localized 
at all, so it also does not need to be re-encoded.

You may be able to use this fix against the 3.2 version that is included
in ubuntu.  You can probably use grlib.c directly as I don't think it
contains any other changes between 3.2 until now.  However, you will
need to hand patch the files that call the xprint function, since these
files may contain other changes between 3.2 and now.  I would encourage
Ubuntu to upgrade the package to the latest version.  In addition to
this fix, 3.3 (and the upcoming 3.4) will contain numerous other fixes,
as well as an extremely important new feature, the ability to render
user-defined formulas.  Debian has already moved to 3.3 in testing and
unstable.  I will let you know when 3.4 has been released (it may be a
few more weeks yet).

-- 
Wrong characters codification in Xaos translation.
https://bugs.launchpad.net/bugs/211710
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