Or you can link to a web page:

  o   "L<scheme:...>"

      "L<text|scheme:...>"

       Links to an absolute URL.  For example,
       "L<http://www.perl.org/>" or "L<The Perl Home
        Page|http://www.perl.org/>".

##</code><code>##

=pod

=head1 Ugly Link Rendering

This is an ftp link
L<ftp://ftp2.census.gov/geo/tiger/TIGER2010>.
L<This is not|http://ftp2.census.gov/geo/tiger/TIGER2010/>.

##</code><code>##

Ugly Link Rendering
       This is an ftp link <ftp://ftp2.census.gov/geo/tiger/TIGER2010>.  This
       is not <http://ftp2.census.gov/geo/tiger/TIGER2010/>.

##</code><code>##

  /honk/perl5.14.1/bin/pod2html quirk.pod > quirk.html

##</code><code>##

/honk/perl5.14.1/bin/pod2html: quirk.pod: cannot resolve L<This is not|http://ftp2.census.gov/geo/tiger/TIGER2010/> in paragraph 3.

##</code><code>##

<h1><a name="ugly_link_rendering">Ugly Link Rendering</a></h1>
<p>This is an ftp link
<a href="ftp://ftp2.census.gov/geo/tiger/TIGER2010">ftp://ftp2.census.gov/geo/tiger/TIGER2010</a>.
<em>This is not</em>.</p>