bug#73641: 30.0.90; Math in EWW/shr

[Eli Zaretskii <eliz@gnu.org>]

> From: Augusto Stoffel <arstoffel@gmail.com>
> Cc: 73641@debbugs.gnu.org
> Date: Thu, 10 Oct 2024 12:49:10 +0200
> 
> On Thu, 10 Oct 2024 at 10:43, Eli Zaretskii wrote:
> 
> > I don't think I understand what you are proposing.  What is the
> > "baseline" implementation for math tags? what will it entail and what
> > will it allow/enable?
> 
> I refer precisely to the code from the bug's first message, which also
> has an example of the result.

Ah, okay.  That's fine, but please add some comment there that we fall
back to the text variant because we don't (yet) know how to do better.

> > The basic question is what these produce as output, and how can Emacs
> > display what they produce?  The best alternative for Emacs is to have
> > a tool that can generate characters, which could then be rendered
> > using a suitable font.
> 
> MathJax is this tool.  It can render formulas as "HTML with complicated
> styling" to resize and move around characters and symbols.  I don't
> think Emacs could display such things in general.

Do you know what is missing for us to be able to display that?

> >  The (distant) second best is a tool that generates an image.
> 
> I think an image with readable text beneath it is quite alright.

Display of inline images in Emacs has quite a few limitations that
make it less desirable for this purpose, IMO.

Thanks.