Thanks for your replies.  Periodically I seem to get the urge to post my own thread instead of just always replying to others. Feel free to ignore any threads I post in the future. They're all just blather... 
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"I may be older but I am not wise / I'm still a child's grown-up disguise / and I never can tell you what you want to know / You will find out as you go." (from: "A Nightengale's Lullaby" - Julie Last)
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