Yes, thanks for that CPAN link. One thing I notice with a wry smile is that when you cut and pasted my hand-written effort you lost the original tabbing on the repaste, this being a perfect example of the kind of problem I am talking about and one that happened to be in my mind when I wrote the OP! That's the second time within a week I notice that replies to the OP serve themselves as entirely accidental examples of what the OP is talking about - - spooky! Even more spooky when you consider that both cases were your replies to my OPs - hmmm what does that
^M Free your mind!
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