@prefix p: <http://a.example/>.
{p:\_\~\.\-\!\$\&\'\(\)\*\+\,\;\=\/\?\#\@\%00 <http://a.example/p> <http://a.example/o> .}
<http://example/graph> {p:\_\~\.\-\!\$\&\'\(\)\*\+\,\;\=\/\?\#\@\%00 <http://a.example/p> <http://a.example/o> .}