[tex-live] Languages and Luatex

Manuel Pégourié-Gonnard mpg at elzevir.fr
Sun Jun 13 01:07:34 CEST 2010

Le 13/06/2010 00:56, Peter Dyballa a écrit :
> I tried to update the language files today to get rid of the armenian,  
> kannada, lao, and mongolianlmc additions in TL '10 (compared to TL  
> '09). I finally used
> 	fmtutil-sys --byhyphen /usr/local/texlive/2010/texmf-var/tex/generic/ 
> config/language.dat.lua
> The builds of dvilualatex and lualatex formats go very straight while  
> that of the luatex and dviluatex formats has a large block which lists  
> 70 hyphenation files

How does you language.def file look?

> (a 'sort | uniq -d' on these lines in GNU Emacs  
> left these duplicates:
The duplicates are OK. etex.src has no support for synonyms, so the languages
are duplicated.

> although I can see also /usr/local/texlive/2010/texmf/tex/generic/ 
> hyphen/zerohyph.tex mentioned more than once) while I am interested in  
> only one tenth, for which I created in /usr/local/texlive/texmf-local/ 
> tex/generic/config the file language-local.dat.lua (same contents as  
> language-local.dat, but leading '%!' converted to '--!' as tlmgr's  
> manual page suggests) and then (re-)generated the language files.
You can't disable languages in language-local.dat.lua: language.dat.lua controls
dynamic loading of the language, as opposed to its definition, which is
controlled by language.dat for latex-based formats and language.def for
plain-based formats (with etex.src). So I recommend you use only
langage-local.{dat,def} but leave .dat.lua empty if your goal is to disable

> Why are during the builds of the luatex and dviluatex formats so many  
> language/hyphenation files listed? Why isn't it possible to use the  
> same syntax in both local files?
Did you disable the languages in language.def? Btw, this is not specific to
luatex: for pdftex too, languages are controlled by language.def for plain-based


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