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Subject:	Re: [geda-user] Difference between attached and detached attributes
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Date:	Sun, 19 Jul 2015 02:07:46 +0200
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On Sat, 2015-07-18 at 17:20 -0600, John Doty wrote:
> Yes, and this is a bit strange. What does it accomplish? If you want
> to edit the attribute, you can promote it. If you don’t, why promote
> it at all?
> 
> The whole idea of “promotion” is a bit clumsy and confusing. Wouldn’t
> it be clearer just to have “default” and “edited” attributes?
> 
> Then there’s a little failure of orthogonal design: gschem cannot edit
> an embedded symbol. If it could, pin swaps and one-off modified
> symbols could be easier.

Fine that you still agree -- we discussed that already 5 years ago, I
think Ales was already retired at that time :-(

What I do is making all attributes of symbols editable -- only modified
attributes are stored in the schematic file as attached attribute.

I guess embedded symbols were added later, that may explain missing
editing support. One problem is unembedding when it may have been
modified, so some checking is necessary.

For modifying pin names/numbers using slots was suggested by Vladimir
Zhbanov recently, that may be a nice idea. I have to reread how slotting
works exactly. I do remember it does some mapping of pin numbers.

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