gEDA-user: Adding Auto-thermals Was:Re: Thanks a million, and few small questions for a new user

[DJ Delorie]

> Got it! Thanks! When I briefly tried putting a polygon over existing
> traces, I thought it connected them all together. I didn't know that
> polygons automatically kept away from traces,

Each trace has a flag that says if it connects to polygons or not.

Lots of flags!  Read const.h or the documentation for a description of
each.