Re: Pandoc Lua script to filter specific markdown sub sections during PDF generation

[Denis Maier <denis.maier.lists-cl+VPiYnx/1AfugRpC6u6w@public.gmane.org>]

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You mean like removing the sub section header? Or the whole subsection 
until the start of the next section?
Both should be possible with a lua filter.  The first is trivial, the 
second more complex (at least for me ;-). But I doubt it wouldn't be 
possible.
The tricky part is possibly that pandoc's AST does not reveal the 
hierarchy here:

[Header 1 ("header-1",[],[]) [Str "Header",Space,Str "1"]
,Para [Str "Text"]
,Header 2 ("header-2",[],[]) [Str "Header",Space,Str "2"]
,Para [Str "Text"]
,Header 2 ("header-2-1",[],[]) [Str "Header",Space,Str "2"]
,Para [Str "Text"]
,Header 1 ("header-1-1",[],[]) [Str "Header",Space,Str "1"]
,Para [Str "Text"]]

So, I imagine you have to walk over the AST and when you encounter a 
"Header 2" element, you delete this and everything else until you find 
the next "Head 1" element.

You could also just include wrap the relevant parts in divs and then 
remove them from the output. That's easier, but not so elegant.


Am 01.09.2020 um 10:01 schrieb Henrik Klang:
>
> I have markdown source and want to generate PDF using Pandoc.
>
> I want to remove sub sections from a specific level, in the generated 
> document. E.g. filter them from the source markdown.
>
> Would this be possible with Lua or would it be better to do 
> prefiltering using some other tools?
>
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