[name]
Errors to standard error with stderr option

[options]
stderr 1

[input]
=over 4

=item Foo

Bar.

=head1 NEXT

[output]
.IP "Foo" 4
.IX Item "Foo"
Bar.
.SH "NEXT"
.IX Header "NEXT"

[errors]
Pod input around line 7: You forgot a '=back' before '=head1'