The "Surpised by foreach iterator limitation" (2003) subthread seems to give the impression that a for loop working with parentheses lacking qw// was intentional.

In the meantime, I will try to find the thread that you speak of.

In reply to Re^2: "for qw/ word / { warn $_ }" fails, other parentheses lacking versions work by parv
in thread "for qw/ word / { warn $_ }" fails, other parentheses lacking versions work by parv

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