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Re: [PATCH] ox-latex.el: Unify in one single list Babel and Polyglossia
From: |
Max Nikulin |
Subject: |
Re: [PATCH] ox-latex.el: Unify in one single list Babel and Polyglossia languages alists |
Date: |
Fri, 15 Jul 2022 19:18:00 +0700 |
User-agent: |
Mozilla/5.0 (X11; Linux x86_64; rv:91.0) Gecko/20100101 Thunderbird/91.11.0 |
On 15/07/2022 01:17, Juan Manuel Macías wrote:
Juan Manuel Macías writes:
In any case, I personally think that org-latex-language-alist, as it is
now in this patch, is sufficient.
I agree that the lists should be merged. My point is that with unnamed
fields and variable number of them it would not be possible to extend
this list with additional fields. So additional step with
`make-obsolete-variable' would be required.
By the way, Maxim. I have been doing some tests with pdfLaTeX. I've
known for a while now that it's no longer necessary to load the inputenc
package. But it seems that it is not even necessary to load fontenc with
the encoding of each language.
It looks like a promising feature.
In TeX live 2022 the compilation is correct (I think). It seems that
Babel (or russian/greek.ldf) loads the font encodings according to the
declared languages. From the log:
(/usr/share/texmf-dist/tex/generic/babel/locale/es/babel-spanish.tex)
Interesting, Spanish is not mentioned in your document.
Is this normal or is it a new Babel feature? If it is a new feature, I
can't find it anywhere in the documentation.
I have tried on Ubuntu-20.04 LTS focal (Latest LTS is 22.04 jammy).
Without explicit fontenc it may work, but emits a warning
Package babel Warning: No Cyrillic font encoding has been loaded so far.
(babel) A font encoding should be declared before babel.
(babel) Default `T2A' encoding will be loaded on input
line 74.
Unfortunately in the case of
\usepackage[russian,english]{babel}
\selectlanguage{russian} is required, without it compilation fails with
! LaTeX Error: Command \cyrn unavailable in encoding OT1.
With \usepackage[T2A]{fontenc} it behaves accordingly to acceptable for
non-important documents graceful degradation. Text is readable, but no
hyphenation applied.
So I consider explicit loading of fontenc as more reliable.
If I'm not mistaken, there is now nothing like
an hypothetical 'org-latex-guess-fontenc', and org defaults to the T1
option. If I remember correctly (because I haven't used pdfLaTeX in
ages), the fontenc option for Greek is LGR. And I imagine there will be
many more cases.
That is why I am suggesting a mapping from language to font encoding.
If you or anyone wants to implement that on top of my
patch, that's fine with me.
I do not see a solution "on the top of your patch". Either an additional
mapping should be added or your changes should be overwritten by some
extensible structure. The former is a step backward in respect to the
idea of merging alists, the latter might make unhappy developers of
third party packages.
Re: [PATCH] ox-latex.el: Unify in one single list Babel and Polyglossia languages alists, Ihor Radchenko, 2022/07/17
- Re: [PATCH] ox-latex.el: Unify in one single list Babel and Polyglossia languages alists, Juan Manuel Macías, 2022/07/17
- Re: [PATCH] ox-latex.el: Unify in one single list Babel and Polyglossia languages alists, Ihor Radchenko, 2022/07/18
- Re: [PATCH] ox-latex.el: Unify in one single list Babel and Polyglossia languages alists, Juan Manuel Macías, 2022/07/18
- Re: [PATCH] ox-latex.el: Unify in one single list Babel and Polyglossia languages alists, Juan Manuel Macías, 2022/07/18
- Re: [PATCH] ox-latex.el: Unify in one single list Babel and Polyglossia languages alists, Max Nikulin, 2022/07/18
- Re: [PATCH] ox-latex.el: Unify in one single list Babel and Polyglossia languages alists, Juan Manuel Macías, 2022/07/18
Re: [PATCH] ox-latex.el: Unify in one single list Babel and Polyglossia languages alists, Juan Manuel Macías, 2022/07/19
Re: [PATCH] ox-latex.el: Unify in one single list Babel and Polyglossia languages alists, Max Nikulin, 2022/07/19