[Gimp-developer] enhancement for eraser/brush tools: "resurrect erased/cleared"

[GSR - FR]

Hi,
fotocomics at yahoo.it (2009-05-24 at 2138.42 +0000):
> Concept, is trivial :
> the eraser (or a brush tool) if used with "resurrect Erased/cleared"
> option (if used at 100% opacity ) will modify where applied only the
> A of RGBA without changing other RGB data, and that will "resurrect"
> deleted pixel since their color info are still there, only their
> opacity is changed

How does this differ from the current "anti erase" tool option
(quickly enabled also by holding Alt key)?

GSR