I've just seen a presentation on Coccinelle, this kind of error was quite common in the Linux kernel. See here.
لսႽ† ᥲᥒ⚪⟊Ⴙᘓᖇ Ꮅᘓᖇ⎱ Ⴙᥲ𝇋ƙᘓᖇ

In reply to Re^2: Testing for group or world writable files by choroba
in thread Testing for group or world writable files by neilwatson

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