Revert "fix 0 => $arg naminess"
Revert "fix 0 => $arg naminess"

This reverts commit 0140a6f03e1e0917c103eaf730cfafa3c97c8069,
which was widely reviled.

tokuhirom/specs,tokuhirom/specs,prammer/specs,perl6/specs,prammer/specs,prammer/specs,perl6/specs,tokuhirom/specs