At 2016-02-22 07:45:37 +0000, er@xs4all.nl wrote:
>
> I think what's needed is:
>
> use 5.008_008;
That is meant to fail if the code is run on a version of Perl older than
5.8.8, not fail if the code uses language features not present in 5.8.8.
It is little help for those trying to maintain backwards compatibility.
-- Abhijit