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Subject:	Re: [geda-user] Pin mapping (separate symbols from mappings)
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From:	John Doty <jpd AT noqsi DOT com>
In-Reply-To:	<alpine.DEB.2.00.1510191923540.7137@igor2priv>
Date:	Mon, 19 Oct 2015 12:35:25 -0600
Message-Id:	<D594B89C-C230-4370-A741-D19512FBE694@noqsi.com>
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> <201510191640 DOT t9JGeWb0024375 AT envy DOT delorie DOT com> <alpine DOT DEB DOT 2 DOT 00 DOT 1510191923540 DOT 7137 AT igor2priv>
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On Oct 19, 2015, at 11:26 AM, gedau AT igor2 DOT repo DOT hu wrote:

>=20
>=20
> On Mon, 19 Oct 2015, DJ Delorie wrote:
>=20
>>=20
>>>> Where did U2 come from?  My sample schematic would have U1-1 and =
U1-1.
>>>=20
>>> You have to have some way to distinguish them.
>>=20
>> If the tool *requires* that each symbol be unique, then either...
>>=20
>> 1. It must not let the user provide non-unique symbols, or
>=20
> Which will be problematic for multipage non-hierarchical designs as =
there's no project file so gschem can operate only on the files =
currently open. Forget to open one of the files, and miss a duplication.
>=20
>=20

Even worse, the same page may appear in multiple designs that are =
otherwise different. So, the symbol must be unique across every design =
that uses it. The set of designs may not exist at the time the =
identifier is created.

John Doty              Noqsi Aerospace, Ltd.
http://www.noqsi.com/
jpd AT noqsi DOT com



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