re :
BEGIN { require Module VERSION; import Module LIST; }
True, but less enlightening! It's telling you that import is being called, it ought to tell you that VERSION is being called, too.
re "it was there...when?"
According to perldelta, the v-string definitly wasn't in 5.005, and it's less clear whether it was changed between 5.6.0 and 5.6.1.
If v-strings were not available, and the require Module version (list) requires a v-string literal, than it can't predate 5.6.x either, at least not in a way that's compatible with the current form.
—John
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