Index: /trunk/data/validator/highway.mapcss
===================================================================
--- /trunk/data/validator/highway.mapcss	(revision 14353)
+++ /trunk/data/validator/highway.mapcss	(revision 14354)
@@ -62,4 +62,5 @@
 }
 
+way[highway=yes],
 way[highway=road] {
   throwWarning: tr("Unspecific highway type");