At the time, I think I had some warning that came up with the nested parens.
Which is why, in general, I don't add "use warnings" to the code I write. Sometimes, it finds useful things, but the only time it triggers for me now, it's simply annoying.
If you find yourself changing the code you write to be more obscure or hard to maintain because warnings are warning you, warnings have failed.
-- Randal L. Schwartz, Perl hacker
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