should be mentioned that Perl has an "used only once" warning
True, but (in the context of this thread) even that would only save you from unique typos. Make the same typo twice and the typoed name is no longer "used only once".

In reply to Re^3: A short whishlist of Perl5 improvements leaping to Perl7 (used only once) by dsheroh
in thread A short whishlist of Perl5 improvements leaping to Perl7 by rsFalse

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