[tex-live] xindy vs utf8 latex

David Carlisle d.p.carlisle at gmail.com
Tue May 6 11:57:14 CEST 2014

On 6 May 2014 10:05, Lars Madsen <daleif at imf.au.dk> wrote:

> Hi
> I was wondering, is any work being done on making xindy/texindy work with
> latex and utf8?
> This question highlights the problem and in an answer there is a good
> workaround.
> http://tex.stackexchange.com/q/153858/3929
> If a xindy fix is too far in the future, would it make sense to provide
> the ie2utf script from https://github.com/michal-h21/iec2utf as a part of
> TL, and perhaps even make some perl wrapper for it, making it easier to use
> for the casual user?
> (is piping available on all platforms?)
Rather than make xindy understand LaTeX's somewhat idiosyncratic character
representation it would probably be better to have an option in inputenc to
write index files in utf8. As discussed recently on latex-l there  have
been "modest" (hello Karl:-) changes in this area in the 2014/05/01 latex
release and plans to better support inputenc on xetex/luatex in the near
future.  A requirement for better support would be translation between the
traditional LICR and utf8 characters, so that could probably be also used
here with pdftex auxiliary files.  We have some internal tests although the
lack of \Uchar in xetex and existing bugs in xetex ^^^^ parsing make
supporting xetex tricky at the moment as you can generate the unicode
number but you can not generate a character of that number in xetex
(writing the utf8 from pdftex from latex's internal form wouldn't be hard)

That's not to say the script shouldn't be added to TL (can't comment on
that) more than one way to do something is always useful, but a bug/feature
request in the latex-bug database to address that stackexchange question
would be useful, so we don't forget:-)

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