gEDA-user: Bug in cvs pcb concerning polygons

[DJ Delorie]

> http://www-nw.uni-regensburg.de/~.grr06742.back.physik.uni-regensburg.de/PCB/GPS_BUG.PCB

I reproduced it.

> If I try to draw a copper rectangle on GND-comp it either doesn't
> draw one at all or scrambles it in the lower left corner. Smaller
> areas work fine though.  When zooming it sometimes appears again but
> in the printout it's never right.  I get the messages :

I've reported this before, but Harry hasn't offered a fix for it.
He's the only one who really knows how the clipper works.

With sufficient zooming/scrolling, you can make pcb segfault too.