Re: Expectation to --no-pdf option (was Re: [PATCH v2 0/5] Address some issues with sphinx detection)

[Akira Yokosawa <akiyks@gmail.com>]

On Fri, 8 Jul 2022 15:59:10 +0100,
Mauro Carvalho Chehab wrote:
> Em Fri, 08 Jul 2022 08:02:52 -0600
> Jonathan Corbet <corbet@lwn.net> escreveu:
> 
>> Akira Yokosawa <akiyks@gmail.com> writes:
>>
>>> In my tests, the mathjax extension works with all the versions of Sphinx
>>> I tested (1.7.9, 2.4.4, 3.4.3 (debian bullseye), 4.2.0 (openSUSE LEAP 15.4),
>>> and 5.0.2).
>>> Note that math expressions should look much sharper (vector fonts)
>>> than those from imgmath (pixel images).
>>> The time for a browser to complete the rendering might be longer than
>>> with imgmath, especially for pages with a lot of math expressions,
>>> though.  (Yes, I see some of media documents have a lot of them.)
>>>
>>> When you are detached from network connections, browsers will give
>>> up and show those expressions in mathjax source code. 
> 
>> -extensions.append("sphinx.ext.imgmath")
>> +extensions.append("sphinx.ext.mathjax")
> 
> There are two problems with this:
> 
> 1. mathjax doesn't work for PDF output - nor would work if we add support
>    for man pages some day;

Hmm, if I understand what is written in the following page:
    https://www.sphinx-doc.org/en/master/usage/extensions/math.html

, both imgmath and mathjax extensions are relevant only for HTML output.

It says:

    Changed in version 1.8: Math support for non-HTML builders is integrated
    to sphinx-core. So mathbase extension is no longer needed.

When did you see the issue of "mathjax doesn't work for PDF output" ?

> 2. Some Kernel developers disable javascript.
OK, mathjax has no chance, then...

        Thanks, Akira