Index: src/Parser/parser.yy
===================================================================
--- src/Parser/parser.yy	(revision 0b1ca470cb4e37c87b603e45955c6cb1b5962233)
+++ src/Parser/parser.yy	(revision c7f12a486e42e8b7e1569779966df2681cc1ed38)
@@ -10,6 +10,6 @@
 // Created On       : Sat Sep  1 20:22:55 2001
 // Last Modified By : Peter A. Buhr
-// Last Modified On : Fri Oct 14 14:04:43 2022
-// Update Count     : 5751
+// Last Modified On : Fri Oct 28 15:27:08 2022
+// Update Count     : 5764
 //
 
@@ -2553,9 +2553,9 @@
 	| ENUM attribute_list_opt identifier
 		{ typedefTable.makeTypedef( *$3 ); }
-	  '{' enumerator_list comma_opt '}'
-		{ $$ = DeclarationNode::newEnum( $3, $6, true, false )->addQualifiers( $2 ); }
+	  hide_opt '{' enumerator_list comma_opt '}'
+		{ $$ = DeclarationNode::newEnum( $3, $7, true, false )->addQualifiers( $2 ); }
 	| ENUM attribute_list_opt typedef_name				// unqualified type name
-	  '{' enumerator_list comma_opt '}'
-		{ $$ = DeclarationNode::newEnum( $3->name, $5, true, false )->addQualifiers( $2 ); }
+	  hide_opt '{' enumerator_list comma_opt '}'
+		{ $$ = DeclarationNode::newEnum( $3->name, $6, true, false )->addQualifiers( $2 ); }
 	| ENUM '(' cfa_abstract_parameter_declaration ')' attribute_list_opt '{' enumerator_list comma_opt '}'
 	 	{
@@ -2574,22 +2574,29 @@
 			typedefTable.makeTypedef( *$6 );
 		}
-	  '{' enumerator_list comma_opt '}'
-		{
-			$$ = DeclarationNode::newEnum( $6, $10, true, true, $3 )->addQualifiers( $5 )->addQualifiers( $7 );
+	  hide_opt '{' enumerator_list comma_opt '}'
+		{
+			$$ = DeclarationNode::newEnum( $6, $11, true, true, $3 )->addQualifiers( $5 )->addQualifiers( $7 );
 		}
 	| ENUM '(' ')' attribute_list_opt identifier attribute_list_opt
-	  '{' enumerator_list comma_opt '}'
-		{
-			$$ = DeclarationNode::newEnum( $5, $8, true, true, nullptr )->addQualifiers( $4 )->addQualifiers( $6 );
-		}
-	| ENUM '(' cfa_abstract_parameter_declaration ')' attribute_list_opt typedef_name attribute_list_opt '{' enumerator_list comma_opt '}'
-		{
-			$$ = DeclarationNode::newEnum( $6->name, $9, true, true, $3 )->addQualifiers( $5 )->addQualifiers( $7 );
-		}
-	| ENUM '(' ')' attribute_list_opt typedef_name attribute_list_opt '{' enumerator_list comma_opt '}'
-		{
-			$$ = DeclarationNode::newEnum( $5->name, $8, true, true, nullptr )->addQualifiers( $4 )->addQualifiers( $6 );
+	  hide_opt '{' enumerator_list comma_opt '}'
+		{
+			$$ = DeclarationNode::newEnum( $5, $9, true, true, nullptr )->addQualifiers( $4 )->addQualifiers( $6 );
+		}
+	| ENUM '(' cfa_abstract_parameter_declaration ')' attribute_list_opt typedef_name attribute_list_opt
+	  hide_opt '{' enumerator_list comma_opt '}'
+		{
+			$$ = DeclarationNode::newEnum( $6->name, $10, true, true, $3 )->addQualifiers( $5 )->addQualifiers( $7 );
+		}
+	| ENUM '(' ')' attribute_list_opt typedef_name attribute_list_opt
+	  hide_opt '{' enumerator_list comma_opt '}'
+		{
+			$$ = DeclarationNode::newEnum( $5->name, $9, true, true, nullptr )->addQualifiers( $4 )->addQualifiers( $6 );
 		}
 	| enum_type_nobody
+	;
+
+hide_opt:
+	// empty
+	| '!'
 	;
 
@@ -2602,12 +2609,17 @@
 
 enumerator_list:
-	identifier_or_type_name enumerator_value_opt
-		{ $$ = DeclarationNode::newEnumValueGeneric( $1, $2 ); }
+	hide_visible_opt identifier_or_type_name enumerator_value_opt
+		{ $$ = DeclarationNode::newEnumValueGeneric( $2, $3 ); }
 	| INLINE type_name
 		{ $$ = DeclarationNode::newEnumInLine( *$2->type->symbolic.name ); }
-	| enumerator_list ',' identifier_or_type_name enumerator_value_opt
-		{ $$ = $1->appendList( DeclarationNode::newEnumValueGeneric( $3, $4 ) ); }
+	| enumerator_list ',' hide_visible_opt identifier_or_type_name enumerator_value_opt
+		{ $$ = $1->appendList( DeclarationNode::newEnumValueGeneric( $4, $5 ) ); }
 	| enumerator_list ',' INLINE type_name enumerator_value_opt
 		{ $$ = $1->appendList( DeclarationNode::newEnumValueGeneric( new string("inline"), nullptr ) ); }
+	;
+
+hide_visible_opt:
+	hide_opt
+	| '^'
 	;