test (eval { $a->VERSION }) == 2.718;
test ! (eval { $a->VERSION(2.719) }) &&
- $@ =~ /^Alice version 2.71(?:9|8999\d+) required--this is only version 2.718 at /;
+ $@ =~ /^Alice version 2\.719\.0 required--this is only version 2\.718\.0 at /;
test (eval { $a->VERSION(2.718) }) && ! $@;