In a message dated Thu, 7 Sep 2006, Mark Stosberg writes:
To refine this point a bit, the spec is clear that 'when' is useful not
just with 'given' but with "any block that sets $_".

Thanks, I was not being terribly precice when I conflated when with given. Of course, CATCH is another case where when is frequently used (and where the semantics of when should be like given, exiting the surrounding block once the when block has finished).


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