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        Wed, 21 Oct 2015 07:07:37 -0700 (PDT)
Date: Wed, 21 Oct 2015 16:07:31 +0200
From: "Nicklas Karlsson (nicklas DOT karlsson17 AT gmail DOT com) [via geda-user AT delorie DOT com]" <geda-user AT delorie DOT com>
To: geda-user AT delorie DOT com
Subject: Re: [geda-user] Reduce pinnumber attribute
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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:
> > 
> >> 
> >> 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:
> >> 
> >>> I assume pinnumber attribute is used to uniquely identify a pin.
> >>> 
> >>> 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.
> >>> 
> >>> Are there any disadvantages?
> >> 
> >> Gnetlist doesn’t work that way. The Scheme API uses pinnumber to identify the pin. Without pinnumber, you can’t even look up what pinlabel is. However, you can use any string as the “pinnumber”.
> > 
> > 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’s the disadvantage.

It is no need to be in a hurry and put into stable production code but it could be worth thinking about. I think reducing number of attributes would an improvement then working with the symbols.

I have started to look at possibility to change sub sheet of elements in buffer for pcb. It is of direct use then using several equal circuits in parallel, it is currently possible to achieve the same by editing buffer in external editor.

Nicklas Karlsson