Re: [patch] ox-latex.el: Add `LATEX_PRE_HEADER' keyword

[Timothy]

Hi Juan,

I’d rather not have this merged at this stage, as I think it may be redundant
once my conditional/generated export work makes its way into Org (next few
months?).

Juan Manuel Macías <maciaschain@posteo.net> writes:

> Rationale for this patch: in certain cases, in a LaTeX document, it is
> necessary to add code before the class declaration (\documentclass…).
> For example, commands like \PassOptionsToPackage, \DocumentMetadata{ },
> etc.; or certain packages that should be loaded first using
> \RequirePackage{}; and other miscellaneous cases[1]. I think that by
> defining a new keyword `latex_pre_header’, which behaves the same as
> latex_header but concatenated before the class, these situations can be
> resolved from Org.
>
> [1] A longer example to export to a pdf that has pdf-x compliance, with
> the pdfx package:
>
> \providecommand{\pdfxopts}{x-1a}
> \begin{filecontents*}{\jobname.xmpdata}
>   \Title{Some Title}
>   \Author{Author}
>   \Language{es-ES}
>   \Keywords{keywords}
>   \Publisher{publisher}
> \end{filecontents*}
> \documentclass{…

All the best,
Timothy

-- 
Timothy (‘tecosaur’/‘TEC’), Org mode contributor.
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