Subject: [bug#42885] [PATCH 2/4] gnu: Add mathjax-bin (MathJax 3).

From: Arun Isaac <[email-masked]>
Date: Mon, 24 Aug 2020 09:55:16 +0530

>> +The package is derived from not the true source but the built version of
>> +MathJax 3 for distribution by upstream. This package should eventually be
>> +replaced my a package built directly from the source at
>> +https://github.com/mathjax/MathJax-src.")
>
> I'm not really familiar with the state of JavaScript in Guix. However,
> Guix generally only includes packages built from source.

If I understand correctly, we already have a mathjax package built from
source. See js-mathjax.