Whew! :-)

BrowserUK++! Thank you so much for your in-depth analysis; this strange problem obviously piqued your curiosity even more-so than mine!

It just goes to show that you should never make assumptions about how things actually work when trying to write portable code.

Thanks again.

Cheers,

-- Dave :-)

$q=[split+qr,,,q,~swmi,.$,],+s.$.Em~w^,,.,s,.,$&&$$q[pos],eg,print