[Groff] Virtualization of eqn

[Werner LEMBERG]

> Looking at the code, it seems to me (being a quite bad C++
> programmer) that the constant use of `if' clauses to select the
> output device is not very elegant.  Perhaps this could be
> virtualized, at least to a certain extent?  Maybe it's not worth the
> trouble...

I think something similar to pic could be done (which also has two
modes, one for TeX and one for groff).


     Werner