You got a point I agree with but a bad example since Perl 6 is a new language. (That the name don't reflect that is still a heated discussion.) (And Perl 5 cod

You got a point I agree with but a bad example since Perl 6 is a new language. (That the name don't reflect that is still a heated discussion.) (And Perl 5 code can declare which of the newer features it will support. Excellent backwards compatibility.)