Index: trunk/resources/data/validator/deprecated.mapcss
===================================================================
--- trunk/resources/data/validator/deprecated.mapcss	(revision 18734)
+++ trunk/resources/data/validator/deprecated.mapcss	(revision 18736)
@@ -2465,3 +2465,22 @@
 }
 
+/* Tag was renamed, see #22957 */
+area[parking:orientation][!orientation] {
+  throwWarning: tr("{0} is deprecated", "{0.tag}");
+  group: tr("deprecated tagging");
+  suggestAlternative: "{1.key}={0.value}";
+  fixChangeKey: "{0.key} => {1.key}";
+}
+area[parking:orientation][orientation]["parking:orientation"=*orientation] {
+  throwWarning: tr("{0} is deprecated", "{0.tag}");
+  group: tr("deprecated tagging");
+  fixRemove: "{0.key}";
+}
+area[parking:orientation][orientation]["parking:orientation"!=*orientation] {
+  throwWarning: tr("{0} is deprecated", "{0.tag}");
+  group: tr("deprecated tagging");
+  suggestAlternative: "{1.key}={0.value}";
+  suggestAlternative: "{1.key}={1.value}";
+}
+
 /* When tags are deprecated they should be added to ignoretags.cfg too. */
Index: trunk/resources/data/validator/ignoretags.cfg
===================================================================
--- trunk/resources/data/validator/ignoretags.cfg	(revision 18734)
+++ trunk/resources/data/validator/ignoretags.cfg	(revision 18736)
@@ -741,4 +741,5 @@
 K:surface=paving_stones:30
 E:site_type
+E:parking:orientation
 ;
 ; Tags not yet decided (to remove from this section when added or moved up when deprecated)