$ cat test_pod_z.pod

=pod

Refer to the L<foobar section in the
Module::Really::Really::Really::Very::Very::Long documentation|Z<
>Module::Really::Really::Really::Very::Very::Long/foobar>.

=cut

$ perldoc test_pod_z.pod

...

    Refer to the foobar section in the
    Module::Really::Really::Really::Very::Very::Long documentation.

POD ERRORS
    Hey! The above document had some coding errors, which are explained
    below:

    Around line 4:
        A non-empty Z<>

##</code><code>##

$ cat test_pod_zz.pod

=pod

Refer to the L<foobar section in the
Module::Really::Really::Really::Very::Very::Long documentation|Z<<
 >>Module::Really::Really::Really::Very::Very::Long/foobar>.

=cut

$ perldoc test_pod_zz.pod

...

    Refer to the foobar section in the
    Module::Really::Really::Really::Very::Very::Long documentation.

##</code><code>##

    Refer to the foobar section in the
    Module::Really::Really::Really::Very::Very::Long documentation

POD ERRORS
    Hey! The above document had some coding errors, which are explained
    below:

    Around line 4:
        Unterminated L<Z< ... >> sequence

        A non-empty Z<>