Updated gdmd/gdc man pages

[Johan Granberg]

Anders F Björklund wrote:

> The manual pages for GDC were from 2004,
> so a bit out-of-sync with recent options...
> e.g. It was missing D interface files and
> Ddoc documentation options, and some others.
> 
> I posted two updated man pages at:
> http://www.algonet.se/~afb/d/man/
> 
> Proof-reading / suggestions appreciated,
> so they can go into the GDC distribution.
> (generated TEXT/HTML for easy reading...
> But normally those wouldn't be included)
> 
> --anders

Is the gdmd a dmd interface wrapper around gdc, if it is I find it odd that
it has a -cov flag that gdc is missing.