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Prevent the translation of \ne and \pm into \mathrel{≠} and ±.
\edef\ne{\HCode{\string\ne\space}}
\edef\pm{\HCode{\string\pm\space}} |
Translate the {...\over...} into a \frac{...}{...}.
Command line: htlatex file "xhtml,jsmath"
The configurations for jsMath are variants of those provided for MathML