If the request URL starts with (or is equal to) the current vocabulary URI (e.g. http://uri.gbv.de/terminology/bk/42.00 starts with http://uri.gbv.de/terminology/bk/) and the vocabulary URI starts with but is longer than the NAMESPACE and it ends with / then show the path section in the navigation bar (e.g. bk/).
If the request URL starts with (or is equal to) the current vocabulary URI (e.g. http://uri.gbv.de/terminology/bk/42.00 starts with http://uri.gbv.de/terminology/bk/) and the vocabulary URI starts with but is longer than the
NAMESPACEand it ends with/then show the path section in the navigation bar (e.g.bk/).