SYNOPSIS

     use Complete::Man qw(complete_manpage complete_manpage_section);
    
     my $res = complete_manpage(word => 'gre');
     # -> ['grep', 'grep-changelog', 'greynetic', 'greytiff']
    
     # only from certain section
     $res = complete_manpage(word => 'gre', section => 1);
     # -> ['grep', 'grep-changelog', 'greytiff']
    
     # complete section
     $res = complete_manpage_section(word => '3');
     # -> ['3', '3perl', '3pm', '3readline']