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Date: Mon, 7 Jul 2014 14:00:38 -0400
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From: DJ Delorie <dj AT delorie DOT com>
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In-reply-to: <53BACBEA.1080302@sonic.net> (message from Dave Curtis on Mon, 07
	Jul 2014 09:33:46 -0700)
Subject: Re: [geda-user] pour clearing around pads
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> I'm not sure where to look for how a zero-thickness pad might cause 
> phantom shorts or how it interacts with route blocking.  Clues welcome.

The code considers a pad to be a line segment between two points, and
may do a "do these segments intersect" test independent of the "check
the width" test.  djopt, I think, does this - intersection of segments
is a different test than the "happen to touch due to width" test.