The difference is that here the defined sub has use strict 'refs' in effect, while in Japhy's original code, the defined sub has ref strictness in effect if, and only if, ref strictness is in effect just before the for loop.

In reply to Re^2: What is this doing, and why is this a good method of doing it? by Anonymous Monk
in thread What is this doing, and why is this a good method of doing it? by japhy

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