On Thu, Feb 14, 2013 at 09:32:18PM +1300, Andrew Lindesay wrote: > Hi Axel; > > Thread priorities! I ought to have considered that. Thank you for that > tip -- it is working wonderfully now. > Arghh! Sorry. I feel stupid again. Especially as I *did* consider thread priority, and didn't see it staring me in the face! Apologies for the misdirection. -- Pete --