[tex4ht] converting all displaymath to images with make4ht

Benjamin Berg berg.benjamin at gmail.com
Thu Feb 4 21:58:55 CET 2021

Hi all.

I'm trying to make an ePub (v2) out of a LaTeX manuscript, so I've been
using make4ht to convert to HTML and save all math as images. (MathML
doesn't work in ePub v2.)

I found the pic-* options for creating images at http://cvr.cc/?p=504 but I
can't find one that works for all displaymath. make4ht only converts some
of the math to images and leaves some as text.

Sample equation:

\[ \sum\displaylimits_{i=1}^{3} \sum\displaylimits_{j =1}^{3} p\left(F_{i}
, E_{j}\right) = 1 \] For this equation, make4ht only converts the parts
inside the parentheses into images, and the rest remains as text. But if I
put the same equation in an align* and use make4ht "pic-align" then the
entire equation is rendered as one image. I've tried every pic- option
listed at http://cvr.cc/?p=504 but none of them will render the entire
bracketed equation as one image. Am I missing something? Do I just need to
redo the equations to use a different math environment?
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