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document qw's whitespace rules
authorZefram <zefram@fysh.org>
Thu, 2 Nov 2017 19:29:33 +0000 (19:29 +0000)
committerZefram <zefram@fysh.org>
Thu, 2 Nov 2017 19:35:14 +0000 (19:35 +0000)
commit5a9c3bf448373ee0812df85d750f6234ee11c9c4
treeb9d8121a219edf95cf39c2b22cb8351a7b23a408
parent5ffd609608e2a003d9a229e7cd0ba1f883c53ade
document qw's whitespace rules

qw only splits on ASCII whitespace, like primary tokenisation, but
nowadays unlike the split() formulation with which it's documented.
Document this additional difference from split().  Fixes [perl #132272].
pod/perlop.pod