Those aren't really exceptions. Strict refs is only meant to stop you from accidentally using symbolic refs. (After all, you can always turn it off strict refs off if you want to use symbolic refs intentionally.) %:: and can only take symbol names, so they can't accidentally be used incorrectly.

In reply to Re^4: Function name in a variable, can't recall the concept by ikegami
in thread Function name in a variable, can't recall the concept by mpersico

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