> =====================
> (/usr/local/texlive/2018/texmf-dist/tex/generic/tex4ht/html4-math.4ht)
> (/usr/local/texlive/2018/texmf-dist/tex/generic/tex4ht/html5.4ht))
> (./foo1.aux)
> ! Misplaced \cr.
> \math@cr@@@ ->\cr
>
> l.11 \end{align*}
>
> ? x
> ==================
>
> It compiles OK using make4ht foo1.tex "htm" and compiles OK
> with lualatex and compiles OK with SVG for math. Only in mathjax
> mode it gives error.
>
> Any idea why this now fails in mathjax mode? I am sure this
> compiled OK in mathjax before the latest updates.Yes, it seems that configurations for math environments didn't take a place. Try the attached fixed version of mathjax-latex-4ht.4ht. Best, Michal
mathjax-latex-4ht.4ht
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