Index: trunk/data/validator/deprecated.mapcss
===================================================================
--- trunk/data/validator/deprecated.mapcss	(revision 11259)
+++ trunk/data/validator/deprecated.mapcss	(revision 11263)
@@ -1116,2 +1116,11 @@
   suggestAlternative: "tracktype=grade5";
 }
+
+/* #13953 */
+*[amenity=hunting_stand][lock=yes],
+*[amenity=hunting_stand][lock=no] {
+  throwWarning: tr("{0} is deprecated for {1}", "{1.key}", "{0.tag}");
+  suggestAlternative: "lockable";
+  group: tr("deprecated tagging");
+  fixChangeKey: "lock => lockable";
+}