Index: trunk/data/validator/deprecated.mapcss
===================================================================
--- trunk/data/validator/deprecated.mapcss	(revision 8161)
+++ trunk/data/validator/deprecated.mapcss	(revision 8165)
@@ -412,2 +412,7 @@
   fixAdd: "oneway=yes";
 }
+
+*[drinkable] {
+  throwWarning: tr("{0} is deprecated", "{0.key}");
+  suggestAlternative: "drinking_water";
+}