> From: Gavin Smith <[email protected]>
> Date: Fri, 7 Nov 2025 16:55:19 +0000
> Cc: [email protected], [email protected], [email protected]
> 
> On Fri, Nov 07, 2025 at 09:30:52AM +0200, Eli Zaretskii wrote:
> > > According to the preview-latex manual(*), AUCTeX does use png files,
> > > but generates these from dvi files, so presumably gets some more 
> > > information
> > > about the geometry of the formatted text than would just be present in a
> > > png file.
> > 
> > The significant downside of this is that the user who wants to read
> > such a manual will need to have LaTeX installed.  For the same reason
> > we distribute the PNG image files of figures with the Info manuals, we
> > should distribute the image files of @math with the manual, so that
> > end users could display them without any additional packages (and
> > LaTeX is quite a large package, what with all the fonts and macros it
> > needs to do its job).
> > 
> > So I think we need to generate the images when the Info manual is
> > being produced, because that requires LaTeX etc. to be installed only
> > on the system of the person who prepares the Info manual.
> 
> In that case we will need to embed some of the geometry information
> in the Info file.  It might be enough to add an extra attribute setting
> the depth below baseline.
> 
> In any case, this feature should be documented as experimental until there
> is support for it in Emacs Info.  Before that happens, we can never really
> be sure if we are putting the exact information into the Info file that
> is necessary for correct rendering.

Agreed.

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