Index: trunk/data/validator/deprecated.mapcss
===================================================================
--- trunk/data/validator/deprecated.mapcss	(revision 8730)
+++ trunk/data/validator/deprecated.mapcss	(revision 9031)
@@ -535,2 +535,9 @@
   suggestAlternative: "postal_code";
 }
+
+*[water=intermittent] {
+  throwWarning: tr("{0} is deprecated", "{0.tag}");
+  suggestAlternative: "intermittent=yes";
+  fixRemove: "water";
+  fixAdd: "intermittent=yes";
+}