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Date: Mon, 7 Mar 2016 15:10:16 -0500
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From: DJ Delorie <dj AT delorie DOT com>
To: geda-user AT delorie DOT com
In-reply-to: <nbkjdo$dvb$2@ger.gmane.org> (message from Kai-Martin Knaak on
	Mon, 07 Mar 2016 20:05:27 +0100)
Subject: Re: [geda-user] Req: Realign grid to cross-hair rather than mouse position
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> But what is the reasoning to disable snap to grid for all actions
> when the active layer is "rat_lines"? E.g. for footprint placement
> or manipulating tracks, or vias.

The rats layer is special, in that it's intended to be used to create
netlists when you aren't using a schematic capture system.  Rats are
not traces or physical objects, they can't be placed on a grid, and
the grid would only interfere with rats snapping to the pins and pads
they're supposed to connect to.