kp, I knew that, and I also knew what you meant by Ph, I wasn't meaning to be pedantic with you, rather with tristanc who missed the elephant because he was concentrating on the flea. Don't worry about tristanc, he sees something somewhere and assumes it must be gospel if it agrees with his philosophy. Especially if it disagrees with other posters' philosophies or experience.
Plenty of reading and searching, as you do, will always yield better results than one liners.
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