hook(type => "getsetup", id => "toc", call => \&getsetup);
hook(type => "preprocess", id => "toc", call => \&preprocess);
hook(type => "format", id => "toc", call => \&format);
hook(type => "getsetup", id => "toc", call => \&getsetup);
hook(type => "preprocess", id => "toc", call => \&preprocess);
hook(type => "format", id => "toc", call => \&format);