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Date: Wed, 19 Feb 2020 20:07:45 +0100 (CET)
From: Roland Lutz <rlutz AT hedmen DOT org>
To: "N (nicklas DOT karlsson17 AT gmail DOT com) [via geda-user AT delorie DOT com]" <geda-user AT delorie DOT com>
Subject: Re: [geda-user] Proposal: Library handling
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On Wed, 19 Feb 2020, N (nicklas DOT karlsson17 AT gmail DOT com) [via 
geda-user AT delorie DOT com] wrote:
> A little bit hard to distinguish between reference and embed

The difference is a semantic one.  "reference" means the symbol in the 
library is authoritative; "embed" means the symbol in the schematic is.

You could view "reference" as the way gEDA/gaf currently works, with the 
added perk that the symbol last seen in the library is included in the 
schematic.

With "reference", tools should update the schematic once they see a new 
symbol in the library (but probably ask the user for confirmation first). 
With "embed", tools should ignore any changes to the library symbol.