2016-03-03 16:49 GMT+01:00 Nicolas Goaziou <mail@nicolasgoaziou.fr>:

> Fabrice Popineau <fabrice.popineau@gmail.com> writes:
>
> > In org reference, 12.7.2, it is said that:
> >
> > ‘LATEX_HEADER’
> > Arbitrary lines added to the preamble of the document, before the
> ‘hyperref’
> > settings. The location can be controlled via org-latex-classes.
> >
> > Note the plural to lines. How can several lines be specified? AFAICS, if
> I
> > do :
> >
> > :EXPORT_LATEX_HEADER: \usepackage{mathptmx} % rm & math
> > :EXPORT_LATEX_HEADER: \usepackage[scaled=0.90]{helvet} % ss
> >
> > The second line will take precedence over the first one.
>
> The manual reference is about keywords, i.e, #+LATEX_HEADER:. You are
> using properties. The two are slightly different.
>
> In particular, each value from a #+LATEX_HEADER keyword becomes a new
> line whereas new values from properties replace the old ones (hence the
> PROP+ syntax).
>

Ok, thanks for the confirmation. There is no strict equivalence in what can
be done
on a subtree and what can be done at the document level.


> Long story short: if you want multiple lines, use keywords.


I think I'll deport the LaTeX stuff into a single external file rather.


> There is no
> support in multi lines properties in Org. Moreover, the use cases are
> sufficiently rare that I don't even think it is worth implementing.


I don't know what it could look like, but rare ... Am I the only one who
has a setup
to export different subtrees from the same Org file?


Best regards,

Fabrice