> TeX4ht files in Miktex are probably too old. I've sent a mail with an update > to the Miktex maintainer, so it should be fixed soon hopefully.
While looking at this at tex.sx I saw in texlive a
(\end occurred inside a group at level 1)
message in the log with make4ht (both with -l and without) with this
document:
\documentclass{article}
\begin{document}
Hello world
\end{document}
--
Mit freundlichen Grüßen
Ulrike Fischer
