'and' and 'or' are not merely the syntactic sugar (1) equivalents
of && and || - they have a lower precedence. I prefer using
&& and ||, but 'and' and 'or' come in quite handy occasionally.
(1) A lovely phrase. I wouldn't mind if perl had more
for-foreach like things, just so I could sling the
phrase around more often. :)
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