[499816] Indicate "validating" Operation in prettyprint/hovertext
diff --git a/plugins/org.eclipse.ocl.pivot/src/org/eclipse/ocl/pivot/internal/prettyprint/PrettyPrintVisitor.java b/plugins/org.eclipse.ocl.pivot/src/org/eclipse/ocl/pivot/internal/prettyprint/PrettyPrintVisitor.java
index cec4566..81fbe9c 100644
--- a/plugins/org.eclipse.ocl.pivot/src/org/eclipse/ocl/pivot/internal/prettyprint/PrettyPrintVisitor.java
+++ b/plugins/org.eclipse.ocl.pivot/src/org/eclipse/ocl/pivot/internal/prettyprint/PrettyPrintVisitor.java
@@ -138,7 +138,7 @@
 	@Override
 	public Object visitOperation(@NonNull Operation object) {
 		if (context.showNames()) {
-			context.appendParent(context.getScope(), object, "::");
+			context.appendParent(context.getScope(), object, object.isIsValidating() ? "[?]::" : "::");
 			context.appendName(object);
 		}
 		else {