Index: trunk/data/validator/deprecated.mapcss
===================================================================
--- trunk/data/validator/deprecated.mapcss	(revision 14956)
+++ trunk/data/validator/deprecated.mapcss	(revision 14957)
@@ -998,7 +998,7 @@
 }
 
-/* #12494 */
+/* #12494, #17554 */
 *[/^[^t][^i][^g].+_[0-9]$/][!/^note_[0-9]$/][!/^description_[0-9]$/] {
-  throwOther: tr("{0}", "{0.key}");
+  throwWarning: tr("{0}", "{0.key}");
   group: tr("questionable key (ending with a number)");
   assertMatch: "way name_1=foo";