Index: trunk/data/validator/deprecated.mapcss
===================================================================
--- trunk/data/validator/deprecated.mapcss	(revision 10538)
+++ trunk/data/validator/deprecated.mapcss	(revision 10798)
@@ -319,4 +319,12 @@
   fixRemove: "type";
   fixAdd: "leaf_cycle=deciduous";
+}
+
+node[type=palm],
+way[type=palm] {
+  throwWarning: tr("{0} is deprecated", "{0.tag}");
+  suggestAlternative: "leaf_type";
+  suggestAlternative: "trees";
+  suggestAlternative: "species";
 }