Re: [Patch] Pre-/postpend arbitrary LaTeX code to a section

[Max Nikulin]

On 21/09/2022 15:55, Ihor Radchenko wrote:
> There is nothing wrong about this, but I feel that this kind of approach
> is encouraging to shoot your own leg a bit too much.

I am afraid, it is unavoidable facet of flexibility. Anyway arbitrary 
LaTeX command may be inserted using export snippet or block.

> Also, :presec/:postsec property names are
> confusing --- it is unclear if they are specific to LaTeX. (when about,
> say, Beamer)

An example of use case for beamer:

M. ‘quintus’ Gülker. Beamer export: Executing LaTeX between two frames. 
Tue, 21 Jun 2022 10:01:03 +0200. 
https//list.orgmode.org/87mte6tphc.fsf@guelker.eu

> * Section
>    :PROPERTIES:
>    :attr_latex: :prepend "section" \setcounter{secnumdepth}{0}
>    :attr_latex+: :prepend "section" 
> \addtocontents{toc}{\protect\setcounter{tocdepth}{0}\ignorespaces}
>    :attr_latex+: :append "section" \setcounter{secnumdepth}{2}
>    :attr_latex+: :append "section" 
> \addtocontents{toc}{\protect\setcounter{tocdepth}{2}\ignorespaces}
>    :END:
>
> I suggest to use more canonical attr_latex that explicitly limits the
> export backend.

The only objection is that for ox-html users may expect any attr_html 
key-value pairs directly become attributes of the HTML element rather 
than control of output at higher level.