pandocfilters converting pandoc_markdown to gitlab_markdown filter

pandocfilters converting pandoc_markdown to gitlab_markdown filter

[thomas.foers-Re5JQEeQqe8AvxtiuMwx3w]

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*# Request one*


I would like to write documentation in markdown (pandoc) but want to push 
to gitlab my files for documentation purpose. For this I would like to 
parse/change the *.md files via pandoc, so it can be interpreted on 
gitlab.com


*markdown (gitlab) => markdown (pandoc)* (jgm/pandocfilter is possible)


But is there also a visa versa case possible *markdown (pandoc)* => *markdown 
(gitlab)*.

going from:


$$ \frac{1}{T \cdot p} $$


to


``` math
\frac{1}{T \cdot p}
```
 

Any help would be appreciated.



*# Request two*


When doing coding I want to use doxygen as backend for documentation code. 
Therefore I write docs in markdown, too. A parser/filter via pandoc from *markdown 
(doxygen)* => *markdown (gitlab) *would be help full, too.


\f[
\frac{1}{T \cdot p}
\f]


to


``` math
\frac{1}{T \cdot p}
```

and 

[link01](@ref reference01)

to 

[link01](./docs/reference01.md)

Thanks. Help would be appriciated.
Thomas

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Re: pandocfilters converting pandoc_markdown to gitlab_markdown filter

[John MacFarlane]

For request one, one awkward thing is that display
math is an inline element in pandoc, so you can't just
replace it with a code block.

So your best bet is to intercept math elements in your
filter, and convert them into RawInline (Format
"markdown") with the precise output you want.

I'd recommend using lua filters for this (no
dependencies); see the documentation on the website
which contains many examples, and ask here if you get
stuck in your attempt.

For request two, this is probably not possible to
handle in a filter, because pandoc won't parse this
as a special, literal environment.  Your best bet
here would be to preprocess the input with perl
or something, replacing \f[ with ``` math etc.

As for the links, this can be done in a filter.