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Subject:	Re: [geda-user] Reduce pinnumber attribute
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From:	John Doty <jpd AT noqsi DOT com>
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Date:	Wed, 21 Oct 2015 07:00:03 -0600
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On Oct 21, 2015, at 6:41 AM, Nicklas Karlsson =
(nicklas DOT karlsson17 AT gmail DOT com) [via geda-user AT delorie DOT com] =
<geda-user AT delorie DOT com> wrote:

> On Wed, 21 Oct 2015 06:26:06 -0600
> John Doty <jpd AT noqsi DOT com> wrote:
>=20
>>=20
>> On Oct 21, 2015, at 4:13 AM, Nicklas Karlsson =
(nicklas DOT karlsson17 AT gmail DOT com) [via geda-user AT delorie DOT com] =
<geda-user AT delorie DOT com> wrote:
>>=20
>>> I assume pinnumber attribute is used to uniquely identify a pin.
>>>=20
>>> For almost all if not all cases I guess the pinlabel could be used =
as symbol pin number. If netlister use pinlabel attribute if no =
pinnumber attribute is available number of attributes could be reduced.
>>>=20
>>> Are there any disadvantages?
>>=20
>> Gnetlist doesn=92t work that way. The Scheme API uses pinnumber to =
identify the pin. Without pinnumber, you can=92t even look up what =
pinlabel is. However, you can use any string as the =93pinnumber=94.
>=20
> But if Gnetlist was changed would there be any disadvantages then?

It would be a drastic change to the logic of stable production code. =
Hazardous. That=92s the disadvantage.

>=20
>=20
> Nicklas Karlsson
>=20

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



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