I don't see why that would explain the behaiviour, as for localizes the variable lexically, just like local. That's probably so that you can use $_ implicitly even if it's the index variable of a for loop, for example print and print uc for hello prints helloHELLO.

This reply, however, has an answer to your question.

In reply to Re^2: Closures & aliases by ambrus
in thread Closures & aliases by BrowserUk

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