Hi Well, I want to "get ride off" the following things with this patch 1. The necessary to edit components when adding them which will for sure introduce errors in larger construction when you forget to edit the component correctly 2. Get a very easy process to generate BOM's with as little "hands on" as possibly. 3. Don’t have to redo 1 and 2 for each new construction Note: The idea of this patch is to have the possibility to have the same id in several libraries, The process described below is just one way of utilize the possibility to have the same id in different libraries the patch is not "locked" to this described process. This patch is backward compatible, you can still have only one "capacitor" and edit the values each time you add the capacitor to a scheme. -- The below described process is just an example that is impossible today but will work with patch -- The point with have several different libraries, such as Capacitor_ceramic_100V_2012_5% Capacitor_ceramic_100V_2012_10% Capacitor_ceramic_50V_2012_20% Is that you create these libraries one time, with all needed information in them, such as right footprint, voltage demand, tolerances and even perhaps the manufacture and the supplier with right component number etc. Already when you choose the capacitor you can, as in my example, all needed information is there. It even get better when you generate a BOM, you get all the right information automatically. Stefan Olsson