geom_mirror implementation

[David Schultz]

On Sun, Nov 09, 2003, Lukas Ertl wrote:
> Hi hackers@,
> 
> I've played around with GEOM a bit and beefed up geom_mirror, which is
> already in the tree but not built yet.
> 
> You can find the patch at <http://mailbox.univie.ac.at/~le/geom.diff>.

Hmm...I believe geom_mirror is supposed to be an example, and
geom_ccd is supposed to be the production mirroring implementation.  
ccd does have its quirks, though...