Index: trunk/data/validator/deprecated.mapcss
===================================================================
--- trunk/data/validator/deprecated.mapcss	(revision 9031)
+++ trunk/data/validator/deprecated.mapcss	(revision 9037)
@@ -542,2 +542,9 @@
   fixAdd: "intermittent=yes";
 }
+
+*[type][man_made=pipeline],
+*[type][pipeline=marker] {
+  throwWarning: tr("{0} is deprecated", "{0.key}");
+  suggestAlternative: "substance";
+  fixChangeKey: "type => substance";
+}