Ebookmaker fails on the data-variant attribute

[rtonsing]

Epub2 validation does not allow it. The attached Python script removes it, and everything works fine.

Is it possible to integrate this into m2svg?

remove_data_variant_attribute.py

[70ray]

This should be possible. I'll look into it.

[70ray]

The data-variant attribute may no longer appear after updating to mathjax4 in the next version of m2svg.