[tex4ht] Blackboard bold

[Michal Hoftich]

Hi Hans,

> Dear all,
> 
> Does anyone know of a good way to get blackboard bold in MathML
> output from TeX4ml?  All I need are the N/Z/Q/R/C for natural
> numbers, integers, and rational, real and complex numbers.

could you please provide some sample document? This depends on your
input, in particular on used fonts. We can map LaTeX font symbols to
unicode values, so it shouldn't be impossible to get blackboard letters
without some custom macros.

Best,
Michal