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From: Rasmus <rasmus@gmx.us>
Subject: Re: interaction between org-latex-custom-lang-environments and name
 when exporting to latex
Date: Tue, 24 Nov 2015 14:14:25 +0100
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In-Reply-To: <m2poyz3jnz.fsf@charm-ecran.irisa.fr> (Alan Schmitt's message of
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To: alan.schmitt@polytechnique.org
Cc: emacs-orgmode@gnu.org

Hi,

Alan Schmitt <alan.schmitt@polytechnique.org> writes:

>> Then the cdr of an element in org-latex-custom-lang-environments can be
>> something like:
>>
>>    \begin{%e}[label=3D%l, myfunkyoption=3Dval]
>>     %c
>>     \end{%e}
>
> What would "%e" be bound to? Since this is a customization for a given
> source block, it should be fixed, so I think we only need "%l" and "%c".

You are right on the %e of course.  You should check the things we bind in
the top let-binding.  The useful ones should be accessible.  A quick
guess (you=E2=80=99ll have to decide):

- lang
- caption
- label
- float
- perhaps more from attributes?


>> The only downside is that you=E2=80=99d have to somehow discriminate bet=
ween the
>> "old" case where the cdr is a single word denoting an environment.
>> Something like this might work:
>>
>>           (string-match-p "\\`\\w+\\'" "hest1")
>
> This was the main reason why I did not want to go that route. This said,
> after understanding this regexp, I see how I can explain how the two
> cases are distinguished in the docstring.

Perhaps it=E2=80=99s safer to use [[:alnum:]] or even [a-zA-Z0-9].  \w foll=
ows the
syntax table which might go weird, though I=E2=80=99m not sure how.

>> Well, functions would be user written.  In general I=E2=80=99d favor inf=
o and
>> src-block, but I don=E2=80=99t think it=E2=80=99s very user-friendly, as=
 it requires quite
>> some knowledge about how ox works.  Also, when using such functions, the
>> user would have to write a lot of boilerplate to get e.g . the label.
>
> Yes. I'll give the template string a try and will report back.

Thanks Alan!

Rasmus

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