http://bugzilla.gnome.org/show_bug.cgi?id=574418 now has a patch that
implements this change.
> > - blinking the channels/selections dialog: good
> > - showing the channels/selections dialog as the top: rather not
> > - making in the channels dialog case the new selection/channel the
> > the active drawable: no.
> We should also display a message in the status-bar telling the user that
> the selection has been copied along wit the name that was chosen for it.
The patch linked above does implement the status-bar message, but it
does not blink the channels dialog. This is because it is currently not
possible to blink the dialog without raising it. If we really want to do
this, we could probably change GimpDialogFactory to make this possible.
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