Make class declarations optional.

geneontology · Feb 19, 2024 · 83e3bb5 · 83e3bb5
1 parent 937ddea
commit 83e3bb5
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/shapes/gpad-shapes.shex b/shapes/gpad-shapes.shex
@@ -183,7 +183,7 @@ PREFIX involved_in: <http://purl.obolibrary.org/obo/RO_0002331>
 } // rdfs:comment  "Default allowable metadata for GO-CAM entities"
 
 <OwlClass> {
-  rdf:type [ owl:Class ] ;
+  rdf:type [ owl:Class ] ? ;
 }
 
 <GOTermInstance> IRI {