=head1 heading
=head2 heading
+ =head3 heading
+ =head4 heading
=item text
=over N
=back
=item =head2
-Head1 and head2 produce first and second level headings, with the text in
-the same paragraph as the "=headn" directive forming the heading description.
+=item =head3
+
+=item =head4
+
+Head1, head2, head3 and head4 produce first, second, third and fourth
+level headings, with the text in the same paragraph as the "=headn"
+directive forming the heading description.
=item =over
justified. Certain interior sequences are recognized both
here and in commands:
- I<text> italicize text, used for emphasis or variables
- B<text> embolden text, used for switches and programs
- S<text> text contains non-breaking spaces
- C<code> literal code
+ I<text> Italicize text, used for emphasis or variables
+ B<text> Embolden text, used for switches and programs
+ S<text> Text contains non-breaking spaces
+ C<code> Render code in a typewriter font, or give some other
+ indication that this represents program text
L<name> A link (cross reference) to name
L<name> manual page
L<name/ident> item in manual page
=item *
-The F<L<podchecker|podchecker>> command is provided to check pod syntax
+The B<podchecker> command is provided to check pod syntax
for errors and warnings. For example, it checks for completely
blank lines in pod segments and for unknown escape sequences.
It is still advised to pass it through