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Message-ID:  <20100303051417.GF3850@khaled-laptop>
Date:         Wed, 3 Mar 2010 07:14:17 +0200
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From: Khaled Hosny <khaledhosny@EGLUG.ORG>
Subject: Re: Babel, LuaTeX and hyphenation
To: LATEX-L@listserv.uni-heidelberg.de
In-Reply-To:  <A2E2AA0E-9E33-4EFB-BC1C-34E3D61E5835@gmail.com>
Precedence: list
Status: R

On Tue, Mar 02, 2010 at 11:19:01AM +1030, Will Robertson wrote:
> On 02/03/2010, at 6:10 AM, Khaled Hosny wrote:
> 
> > Trying to fix this for Babel, i.e. hyphenation patterns are only loaded
> > when requested, I patched hyphen.cfg file to do so when running under
> > LuaTeX. It seems to work, as far as my tests go, except that would need
> > to explicitly select a language or there will be now hyphenations i.e.
> > Bebel don't seem to load any language by default (unlike plain TeX), and
> > I'm not sure how to handle this.
> > 
> > Patch is attached for your comments.
> 
> 
> Without doing any tests myself, this looks fine to me.
> (Which of course doesn't mean anything.)
> 
> My only comment for now is that the line
> 
>          \ifcsname bbl@l@exceptions@#1\endcsname
> 
> should be better written without assuming eTeX:
> 
>          \expandafter\ifx\csname bbl@l@exceptions@#1\endcsname\relax\else

OK, attached a new patch.
> 
> I believe this should be integrated into the LaTeX/babel kernel, but
> we've still got the problem that the babel test suite has not yet been
> integrated into the 2e SVN repository.
> 
> Is there any way around this impasse?

For our case, we can install the patched hyphen.cfg under luatex
specific path, e.g. tex/luatex/babel/hyphen.cfg. So other engines won't
see it meaning less risk for melting the precious latex freeze.

Regards,
 Khaled


-- 
 Khaled Hosny
 Arabic localiser and member of Arabeyes.org team
 Free font developer