hook(type => "filter", id => "po", call => \&filter);
hook(type => "htmlize", id => "po", call => \&htmlize);
hook(type => "pagetemplate", id => "po", call => \&pagetemplate, last => 1);
hook(type => "rename", id => "po", call => \&renamepages, first => 1);
hook(type => "delete", id => "po", call => \&mydelete);
hook(type => "filter", id => "po", call => \&filter);
hook(type => "htmlize", id => "po", call => \&htmlize);
hook(type => "pagetemplate", id => "po", call => \&pagetemplate, last => 1);
hook(type => "rename", id => "po", call => \&renamepages, first => 1);
hook(type => "delete", id => "po", call => \&mydelete);