In your code in \startmode you have "show UNDERSCORE formula" and in your
command line you have "show HYPHEN formula".
Also, you may have to put the --mode= before the source filename.
> On 14 Aug 2025, at 09:01, Florent Michel <florent....@gmail.com> wrote:
>
> Hi,
>
> TL;DR: Is there a way to pass a `mode` argument when running `mtxrun --script
> epub --images`?
>
> Thanks a lot Hans and Mikael for yesterday's update! Your efforts to make
> ConTeXt-generated documents more accessible are really appreciated! (And may
> make my question moot :D Although I imagine there will still be use-cases for
> html/epub export.)
>
> I have a document where different versions should have a different number of
> images. Following an earlier suggestion from Wolfgang, I usually handle
> differences between versions of the same document using modes, which works
> very well for pdf outputs.
>
> However, I could not figure out how to generate the correct images for html
> export. For example, if I have the following:
>
> test.tex
> ________________
> \setupbackend[export=yes]
> \starttext
> A well-known equation:
> \startmode[show_formula]
> \startformula
> e = \frac{m c^2}{\sqrt{1 - v^2 / c^2}}
> \stopformula
> \stopmode
> \stoptext
> ___________________
>
> and run
> mtxrun --script epub --images test.tex
> context test.tex --mode=show-formula
>
> the pdf output is correct but the html output lacks the formula. (The output
> is correct if I delete `\startmode[show_formula]` and `\stopmode`.) Is there
> a way to activate the `show_formula` mode when running `mtxrun --script epub
> --images`?
>
> Cheers,
> Florent
>
>
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—
Bruce Horrocks
Hampshire, UK
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