Benefits of using Sphinx documentation format

[Eli Zaretskii]

> Cc: hp@bitrange.com, gcc@gcc.gnu.org, gcc-patches@gcc.gnu.org,
>  joseph@codesourcery.com
> From: Martin Liška <mliska@suse.cz>
> Date: Mon, 12 Jul 2021 16:37:00 +0200
> 
> >   4) The need to learn yet another markup language.
> >      While this is not a problem for simple text, it does require a
> >      serious study of RST and Sphinx to use the more advanced features.
> 
> No, majority of the documentation is pretty simple: basic formatting, links, tables and
> code examples.

We also have documentation of APIs (a.k.a. "functions").  I actually
tried to find in the Sphinx docs how to do that and got lost.  So, not
really "very simple".