Huge wrote:
....
I cannot believe you are criticising him for simply asking for help in
obtaining the knowledge he needs to make an informed choice.

That's because the use of these things is a religious matter, not a technical
one. If you question religious orthodoxy, expect the Spanish Inquisition.


Nobody expects......

Sorry, couldn't resist. :-)


Judging by the various responses in the thread, the information isn't to
hand. But thanks anyway to all. If I ever find out, I'll post the info.


--
Mike Scott (unet at scottsonline.org.uk)
Harlow Essex England