[tex4ht] split environment and exerquiz package

Michal Hoftich michal.h21 at gmail.com
Fri Jan 8 12:33:12 CET 2021

Hi Tomáš,

you can try suggestion from this answer of mine on TeX.sx:

I thought that I incorporated this code into TeX4ht sources, but I 
didn't yet. I think there were issues with MathML with this solution.  
But if you want to produce picture math, it works.

It would be better to use MathML, but it doesn't work with your code 
unfortunatelly. Stuff like \cdot\mathrm{s}^{-1} doesn't work correctly 
with the MathML output. You would need to add proper grouping, like:


So it will be probably better to stick with pictures for the moment.

Best regards,

>Ok, thanks, so let's try to solve each problem separately. Please find 
>attach a simple example of split environment. The tex-file is ok, but 
>make4  -a debug split_ex.tex gives the error message
>! Package amsmath Error: \begin{split} won't work here.
>See the amsmath package documentation for explanation.
>Type  H <return>  for immediate help.
> ...
>l.21   \end{split}
>The full log file is also attached.
>Can you please have a look? Any hint is appreciated.
>Thanks a lot,
>best regards, Tomas

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