None

its/it's, there/their/they're, practice/practise, dependent/dependant you cannot express yourselves clearly and accurately. If you cannot use your own native tongue accurately then I don't trust you know the rather subtle difference between, say, call-by-name/call-by-reference/call-by-value-copy-inout, when they are equivalent and when they are not. </rant> I shall now stop tearing out my hair, what's left of it, and resume a calmer tone .... -- Science is rapidly filling our homes with devices smarter than we are. - Anon Raphael Mankin E-Mail: raph@panache.demon.co.uk ----------------------------------