Index: trunk/resources/data/validator/deprecated.mapcss
===================================================================
--- trunk/resources/data/validator/deprecated.mapcss	(revision 16484)
+++ trunk/resources/data/validator/deprecated.mapcss	(revision 16500)
@@ -472,5 +472,6 @@
 }
 
-/* see #18334, #17950, #10661, #10837, #11737, #12771 */
+/* see #19287, #18334, #17950, #10661, #10837, #11737, #12771 */
+*[playground=yes],
 *[manhole=plain],
 *[manhole=unknown],