Re: feature proposal: pretty printing of Native format

[John MacFarlane <jgm-TVLZxgkOlNX2fBVCVOL8/A@public.gmane.org>]

Actually Text.Pandoc.Writers.Native does do some
prettification; it doesn't just do "show."  You can
see this if you print something with nested block
structure, like lists or blockquotes.

If there are ways you think this should be improved,
feel free to make suggestions or do a PR.

Laurent René de Cotret <laurent.decotret-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>
writes:

> Hello,
>
> I often work on Pandoc filters, and I regularly look at Pandoc's native 
> format.
>
> Here is an example of the output in my terminal:
>> pandoc -i myfile.md --to native
> [Para [Image ("fig:myfigure",[],[]) [Str "Figure",Space,Str "1:",Space,Str 
> "This",Space,Str "is",Space,Str "a",Space,Str "caption"] 
> ("generated/other\\8842295943125512100.jpg","fig:")]
> ,Para [Str "As",Space,Str "you",Space,Str "can",Space,Str "see",Space,Str 
> "in",Space,Str "fig.\160\&1,",Space,Str "pandoc-crossref",Space,Str 
> "is",Space,Str "compatible",Space,Str "with",Space,Str "the",Space,Str 
> "ouput",Space,Str "of",Space,Str "pandoc-pyplot."]]
>
> It would be very useful to get a pretty-printing version of the above, e.g.:
>
> [
>     Para [
>         Image 
>             ("fig:myfigure",[],[]) 
>             [Str "Figure",Space,Str "1:",Space,Str "This",Space,Str 
> "is",Space,Str "a",Space,Str "caption"] 
>             ("generated/other\\8842295943125512100.jpg","fig:")
>          ],
>     Para [
>         Str "As",Space,Str "you",Space,Str "can",Space,Str "see",Space,Str 
> "in",Space,Str "fig.\160\&1,",Space,Str "pandoc-crossref",Space,
>         Str "is",Space,Str "compatible",Space,Str "with",Space,Str 
> "the",Space,Str "ouput",Space,Str "of",Space, Str "pandoc-pyplot."
>          ]
> ]
>
> After a cursory look at the source in Text.Pandoc.Writers.Native, it would 
> be possible to make a nice, indented, pretty version of native Haskell, 
> given that WriterOptions type has the writerColumns attribute.
>
> Is this something that the Pandoc community might be interested in? Should 
> it be a different format than "native", called "pretty-native" or something?
>
> I'm happy to put together a pull request.
>
> Laurent
>
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