Perl::Critic::Policy::ValuesAndExpressions::RequireQuotedHeredocTerminator(3pm) on Linux
The text b4b9479b72b2, as Debian 7 (Wheezy) shipped it.
Write " print <<'THE_END' " or " print <<"THE_END" ".
Perl::Critic::Policy::ValuesAndExpressions::RequireQuotedHeredocTerminator(3pm) on Linux now