Sorry, folks, but I gave a wrong url for Cormaic's FAQ site. I gave you:

http://www.tmac.clara.co.uk/urgring/urgfaqs.html

and it should have been

http://www.tmac.clara.co.uk/urgring/urgfaqs.htm

Sorry about that.

David

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David Rance http://www.mesnil.demon.co.uk
Fido Address: 2:252/110 writing from Caversham, Reading, UK