allow PropositionalObject refs

Rob Sanderson · Rob Sanderson · commit 1c3c95d1e9f4 · 2024-12-16T16:44:31.000-05:00
diff --git a/schema/core.json b/schema/core.json
@@ -1414,7 +1414,8 @@
                                 "Language",
                                 "Material",
                                 "Currency",
-                                "MeasurementUnit"
+                                "MeasurementUnit",
+                                "PropositionalObject"
                             ]
                         }
                     ]
