Unfortunately, the _ prototype was added in 5.10 (check perl5100delta), the same version where say was added.
لսႽ† ᥲᥒ⚪⟊Ⴙᘓᖇ Ꮅᘓᖇ⎱ Ⴙᥲ𝇋ƙᘓᖇ

In reply to Re^2: Reliably simulating 5.10 say() by choroba
in thread Reliably simulating 5.10 say() by hlc

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