[tex4ht] [bug #434] HTML mode is spewing some XML code

[Michal Hoftich]

Hi Bill,

>            https://www.albany.edu/dept/math-stat/hammond/demos/tex4ht/hilmar.html

Thanks for this demo. You are right that there are some issues with
spaces. I've took a look at their support in tex4ht and found that
there is no support for \:, \! or \; in tex4ht sources. So I've added
them.  The widths of corresponding <mspace> elements is based on
fractions on this page:
https://chenfuture.wordpress.com/2008/03/22/math-spacing-and-length-units/.
The \quad should really be 1em, but \ should be much smaller than it
is right now, I've set it to 0.33 em.

Best regards,
Michal