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Date:	Mon, 19 Oct 2015 12:40:32 -0400
Message-Id:	<201510191640.t9JGeWb0024375@envy.delorie.com>
From:	DJ Delorie <dj AT delorie DOT com>
To:	geda-user AT delorie DOT com
In-reply-to:	<58E58C85-9493-47DD-AC5B-AD78C33A712A@noqsi.com> (message from
	John Doty on Mon, 19 Oct 2015 08:21:36 -0600)
Subject:	Re: [geda-user] Pin mapping (separate symbols from mappings)
References:	<20151018204010 DOT 9cce6a231dcc296256e187bd AT gmail DOT com> <201510181843 DOT t9IIhmWo025346 AT envy DOT delorie DOT com> <20151018234424 DOT c0551dad9bef0859130239d9 AT gmail DOT com> <36B94694-F2AC-4A75-A8EB-40A1CE9A534C AT noqsi DOT com> <201510182225 DOT t9IMPkxK032763 AT envy DOT delorie DOT com> <20151019003814 DOT f62620bf0fec77e65104c105 AT gmail DOT com> <BED51F9A-F6FF-4A23-B18B-C2EC8BB9DAB6 AT noqsi DOT com> <201510190242 DOT t9J2gl7w009345 AT envy DOT delorie DOT com> <282EF9EF-E103-4101-BB56-A0A365AFFEBE AT noqsi DOT com> <201510190408 DOT t9J48ZbC015157 AT envy DOT delorie DOT com> <F9B802B2-A8F6-4A6F-9429-02161A60B6C5 AT noqsi DOT com> <201510190502 DOT t9J528LM019325 AT envy DOT delorie DOT com> <58E58C85-9493-47DD-AC5B-AD78C33A712A AT noqsi DOT com>
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> > Where did U2 come from?  My sample schematic would have U1-1 and U1-1.
> 
> You have to have some way to distinguish them.

If the tool *requires* that each symbol be unique, then either...

1. It must not let the user provide non-unique symbols, or

2. It must produce a hard error when it detects non-unique symbols, or

3. It must provide some user-independent way of making the symbols unique.

gaf currently does none of these.

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