On Tue, 12 May 2015 09:42:25 +0100 Peter Stephenson <p.stephenson@xxxxxxxxxxx> wrote: > You're using the -m option to refer to existing variables, so the +g has > no effect. Oh, wait, there's an explicit exception for the case of -m and +g. Ick. Yes, that's a *very* good way of ending up with a broken mess... pws