On Mon, Feb 24, 2014 at 6:01 PM, PBK Research <peter@pbkresearch.co.uk> wrote:

but I shall take good care to read everything I can find before raising queries.

asking question is not a problem, please continue, even if you believe the answer is somewhere already. Don't hesitate to use stackoverflow (tag #pharo) for your questions instead of the mailing list. -- Damien Cassou http://damiencassou.seasidehosting.st "Success is the ability to go from one failure to another without losing enthusiasm." Winston Churchill