header-includes loaded before polyglossia in latex template

header-includes loaded before polyglossia in latex template

[Jean-Charles Bagneris]

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Hello there,

When rendering to latex, I happen to have some additional headers which 
depend on polyglossia being loaded (and \setmainlanguage defined).

Unfortunately, the $header-includes$ variable is called *before* the 
loading of polyglossia for what seems to be a good reason related to bidi 
and RTL languages.

I know I could easily write a slightly adapted template, but I would of 
course prefer to keep sync with the default one, I like to keep pandoc up 
to date on my system.

Would calling $header-includes$ after polyglossia really break something 
for RTL languages?

If so, would it be possible to have a $late-header-includes$ variable to 
address that kind of problem (I know, it sounds quite preposterous to do 
that for my own little problem, but maybe others are/were affected as well) 
? Or anything else besides designing a new template?

Thanks in advance and thank you so much for pandoc :)

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Re: header-includes loaded before polyglossia in latex template

[mb21]

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We've had it both ways already, 
see https://github.com/jgm/pandoc/commit/732005456e2b28150943a5a4e11bca6e1566f309

Not sure what's the more common case. But I suggest adding a custom 
$header-includes-after-polyglossia$ var if you need it.


On Wednesday, September 26, 2018 at 2:29:48 PM UTC+2, Jean-Charles Bagneris 
wrote:
>
> Hello there,
>
> When rendering to latex, I happen to have some additional headers which 
> depend on polyglossia being loaded (and \setmainlanguage defined).
>
> Unfortunately, the $header-includes$ variable is called *before* the 
> loading of polyglossia for what seems to be a good reason related to bidi 
> and RTL languages.
>
> I know I could easily write a slightly adapted template, but I would of 
> course prefer to keep sync with the default one, I like to keep pandoc up 
> to date on my system.
>
> Would calling $header-includes$ after polyglossia really break something 
> for RTL languages?
>
> If so, would it be possible to have a $late-header-includes$ variable to 
> address that kind of problem (I know, it sounds quite preposterous to do 
> that for my own little problem, but maybe others are/were affected as well) 
> ? Or anything else besides designing a new template?
>
> Thanks in advance and thank you so much for pandoc :)
>

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Re: header-includes loaded before polyglossia in latex template

[Jean-Charles Bagneris]

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On Wednesday, September 26, 2018 at 4:05:44 PM UTC+2, mb21 wrote:
>
> We've had it both ways already, see 
> https://github.com/jgm/pandoc/commit/732005456e2b28150943a5a4e11bca6e1566f309
>
> Not sure what's the more common case. But I suggest adding a custom 
> $header-includes-after-polyglossia$ var if you need it.
>

Thank you for the link, and answering quickly.

Just to make things clear, the reason why I need polyglossia to be loaded 
and \setmainlanguage defined is because I define new captions for custom 
environments in the added headers.
Thus I use \gappto\captionsenglish and such to have translated versions of 
the captions (I write in French and in English mainly), which only works if 
polyglossia is already loaded, obviously.

From the link you provide, it seems that OP of 
https://github.com/jgm/pandoc/issues/3898 is using a custom template, and 
is not really sure about the cause of his problem.

The change in the commit was finally decided because @adunning wrote "I am 
not aware of any packages that need to be loaded after bidi".
But the point is, it is not "after bidi", it is after polyglossia. And any 
headers using the chosen language (via \setmainlanguage) should obviously 
be loaded after polyglossia.

I am aware I am trying to advocate a revert because it would help me, but 
again:
- OP of issue 3898 is using a custom template anyway,
- the problem is related to polyglossia, not only RTL languages and bidi.

Maybe there is another way to define custom captions with their 
translations (and I would like to know it), but I cannot imagine any way to 
do that without being language aware, thus, after loading polyglossia (or 
babel, by the way).

Any thoughts ?

Thanks

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