Re: [Texmacs-dev] a bug when "convert utf8 to LaTeX", and potential fix

[jiazhaoconga]

I agree that "export document in utf-8 by default for eastern languages"
will be a good fix. This bug confused me for a long time.

Produce CJK character in ascii within LaTeX is impossible.

When export a Chinese document as LaTeX, this is the skeleton:

\documentclass{article}
\usepackage{CJK}
\usepackage[chinese]{babel}
\begin{document}
%some Chinese here
\end{document}

There are a few minor problems:
1. babel doesn't support CJK at all, cause a compile error. So we should
not use babel package for Chinese, Korean, Japanese and Taiwanese.

2. After removing babel package, latex still can not compile it.(There
must be a `\begin{CJK*}{UTF8}{gbsn}       \end{CJK*}` surrounding CJK
characters.)
And there are too many solutions for support CJK in latex(more than ten,
I'm sure), so leave this problem to CJK users ourselves will be a better
choice, we add custom settings in preamble by hand.

On Mon, Sep 30, 2013 at 4:30 PM, François Poulain <address@hidden> wrote:
> Hi,
>
> [I didn't took time to check this, I will do it in the present week].
>
> Le Mon, 30 Sep 2013 15:12:21 +0800,
> jiazhaoconga <address@hidden> a écrit :
>
>> Ok， status update:
>> Because of some bugs in trunk version, I switch back to 1.0.7.20,
>> and by accident I do not apply my patch above, but I can export
>> Chinese to latex successfully.
>>
>> But when I use a fresh ~/.TeXmacs, the bug comes back. After bisect
>> files under ~/.TeXmacs, I found `("texmacs->latex:encoding" "utf-8")`
>> in ~/.TeXmacs/system/preferences.scm is key here. When I have this
>> line, everything is OK. When I don't have this line, which is the
>> fresh install situation,
>> I can not export properly.
>
> Ok. It's in fact a "western user" centred feature : most of scientific
> papers being written in english, we don't enable utf-8 by default.
> This is because making non-ascii TeX document may leads to complication
> for users to share their documents, if they don't use the same default
> charset. And people don't want to risk to share a miscoded document,
> only because they have a non-ascii character in their name (or
> something like that).
>
> However, I don't know how to produce eastern (I mean, Chinese, Korean
> and Japanese) character in ascii within LaTeX. I guess it is not
> possible (but it is possible for a long time with Cyrillic, btw).
>
> So, I think a good fix may be export document in utf-8 by default for
> eastern languages. It is quite easy to do.
>
> François
>
> PS: don't hesitate to complains about TeXmacs internationalization.
> Your expertise is precious for us. :)
>
> --
> François Poulain <address@hidden>
>
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