Re: Open Discussion: Features of Templating

[John MacFarlane <fiddlosopher-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>]

I'll note that the pandoc template engine can do things no external one
will be able to do, because it interacts with doclayout.  So, you can
get very natural wrapping and indenting that takes into account the
template context.  Maybe not a big deal for everyone.


> On May 9, 2023, at 12:37 PM, Albert Krewinkel <albert+pandoc-9EawChwDxG8hFhg+JK9F0w@public.gmane.org> wrote:
> 
> 
> Stephan Meijer <me-nPKYAObcRdo6Blr+0TYHagC/G2K4zDHf@public.gmane.org> writes:
> 
>> Maybe at this stage it'd even be easier to be able to decouple the
>> templating engine from Pandoc, so people can use their own templating
>> engine.
> 
> It's almost possible to do that already, custom writers get us something
> like 80 % of the way there: any Lua template engine with a compatible
> interface could be used in theory. The limitations are:
> 
> - The pandoc.template.meta_to_context function is difficult to use with
>  built-in writers.
> 
> - The custom writers cannot access the template variables that are
>  auto-generated by a built-in writer.
> 
> Both limitations could be fixed by exporting more of the writer
> internals from the respective Haskell modules, and then in turn to
> expose those to Lua. Not difficult, but a good bit of typing, API
> changes, and the need to break-down abstractions (making writers less
> opaque). Could be nice to have, but I'm not sure if the result would
> justify the effort and downsides.
> 
> 
> -- 
> Albert Krewinkel
> GPG: 8eed e3e2 e8c5 6f18 81fe  e836 388d c0b2 1f63 1124
> 
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