There's a closed pull request on the void-packages repository

Marker: update to 2019.11.06.
https://github.com/void-linux/void-packages/pull/20181

Description:
I did some testing with [mathjax](https://www.mathjax.org/#demo) and didn't find any issue with mathjax not being bundled nor installed (via xbps package `mathjax`), not sure how this works then. But it does