[tex-hyphen] [tex-live] CZ/SK in babel for TL 08

[Mojca Miklavec]

2008/7/16 Zdenek Wagner:
> 2008/7/16 Mojca Miklavec:
>> 2008/7/16 Zdenek Wagner wrote:
>>> 2008/7/6 Johannes Braams wrote:
>>>> Hi all,
>>>>
>>>> This was lost for some time in the jungle of Babel mail. I have now finally
>>>> added the new versions of czech.dtx and slovak.dtx to my master sources.
>>>> They will migrate to CTAN tonight.
>>>> I have also added the required patch to babel.dtx (yielding version 3.8l)
>>>> which I will update later tonight.
>>>>
>>> Thank you. I have looked into TeX Live 2008, czech.dtx, slovak.dtx as
>>> well as generated ldf files are OK, some tests passed, but hyphenation
>>> does not work well.
>>
>> If you have IL2 patterns in mind, they definitely don't work.
>>
>> If you say that they should work when one loads
>> \usepackage[slovak]{babel} in (pdf)latex, we can add them.
>>
> It should work both with IL2 and T1, both patterns should be loaded in
> the format and babel should switch them according to the current
> encoding. There is a new hook in babel for doing it and Johannes wrote
> us that he has already included it in babel.dtx. It only needs to be
> enabled in language.dat. If you have the conf file for converting the
> patterns to IL2, it will make my experiments easier. I was able to do
> it for TL2007.

We have all the code needed to enable loading patterns in IL2, but no
hooks & no knowledge (at least speaking for me) to do it.

A similar problem exists for Russian & Ukrainian, but we "gave up"
there and will try to find some solution after TL 2008 release.

The whole logic is hidden in the code below (one can easily load
conv-utf8-il2.tex instead of conv-utf8-ec.tex), but you would need to
tell me what and how to change. I thought that you would load both
patterns at once, but if you want to load them depending on current
encoding, I don't have the knowledge how to do that.

\begingroup
% Test whether we received one or two arguments
\def\testengine#1#2!{\def\secondarg{#2}}
% That's Tau (as in Taco or ΤΕΧ, Tau-Epsilon-Chi), a 2-byte UTF-8 character
\testengine Τ!\relax
% Unicode-aware engine (such as XeTeX or LuaTeX) only sees a single
(2-byte) argument
\ifx\secondarg\empty
    \message{UTF-8 Slovak Hyphenation Patterns (Jana Chlebikova, 1992)}
\else
    \message{EC Slovak Hyphenation Patterns (Jana Chlebikova, 1992)}
    \input conv-utf8-ec.tex
\fi
\input hyph-sk.tex
\endgroup

An alternative is to fall back to loading the old patterns again if
these are not working the way you would want them to work.

Mojca