blah." You should see a lawyer to be sure your licence's wording will
stand up in court.
+=head2 Unicode
+
+Unicode is a new and complex technology and one may easily overlook
+certain security pitfalls. See L<perluniintro> for an overview and
+L<perlunicode> for details, and L<perlunicode/"Security Implications
+of Unicode"> for security implications in particular.
+
=head1 SEE ALSO
L<perlrun> for its description of cleaning up environment variables.