implementation even less so. If you have used that feature to
disallow all but fully qualified variables, C<use strict;> instead.
+The chdir(undef) and chdir('') behaviors to match chdir() has been
+deprecated. In future versions, chdir(undef) and chdir('') will
+simply fail.
+
=head1 Core Enhancements
In general a lot of fixing has happened in the area of Perl's