New comment by sgn on void-packages repository

https://github.com/void-linux/void-packages/pull/24798#issuecomment-691242232

Comment:
On 2020-09-09 21:59:47-0700, Alexis <notifications@github.com> wrote:
> Needed for packaging `md2gemini` (forthcoming). `md2gemini` needs
> a later version than 0.8.4, which is what&#39;s currently available
> on PyPi, so i&#39;m using the latest release tagged in the `mistune`
> GH repo. `./xbps-src pkg` completes successfully. i&#39;ve also
> fixed xlint errors, including changing the short_desc.

I think (haven't checked) python3-jupyter_nbconvert doesn't work with
mistune v2