my $on_off = $off eq '_' ? -1 : 1;
# Allow perl module plugins
+ # The -z test is a hack to allow a zero-length placeholder file in a
+ # $plugin_path directory to indicate an @INC module should be loaded
if ( $plugin =~ m/::/ && ( $plugin_list || -z $plugin_hash{$plugin} ) ) {
# For Blosxom::Plugin::Foo style plugins, we need to use a string require