LyX HTML export on command line runs pdflatex (via lyxpreview2bitmap.py)

[Thibaut Cuvelier]

On Wed, 23 Nov 2022 at 04:08, Richard Kimberly Heck <rikiheck at gmail.com>
wrote:

> On 11/20/22 10:22, Scott Kostyshak wrote:
> > When testing a (seemingly) different issue that Thibaut reported about
> > de Math.lyx, when I do:
> >
> >    lyx -e xhtml Math.lyx
> >
> > I notice that pdflatex is run, I think via lyxpreview2bitmap.py.
> >
> > Is this supposed to happen?
>
> It will depend upon what kinds of processes are needed for maths, etc.
> In that document, some of them probably have to be exported as images,
> because the LaTeX is complicated. So yes, that's expected.
>

To be more precise, LyX tries to convert as many formulae as possible into
MathML. If it cannot (mostly due to ERT -- or their math equivalent, when
you can see the \command in red), it reverts to an image
(lyxpreviewXXX.png). I believe that only ERTs trigger this behaviour.
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