source: vendor/perl/5.8.8/t/pod/emptycmd.t

BEGIN {
   use File::Basename;
   my $THISDIR = dirname $0;
   unshift @INC, $THISDIR;
   require "testp2pt.pl";
   import TestPodIncPlainText;
}

my %options = map { $_ => 1 } @ARGV;  ## convert cmdline to options-hash
my $passed  = testpodplaintext \%options, $0;
exit( ($passed == 1) ? 0 : -1 )  unless $ENV{HARNESS_ACTIVE};

__END__

=pod

= this is a test
of the emergency
broadcast system

=cut