Index: trunk/data/validator/deprecated.mapcss
===================================================================
--- trunk/data/validator/deprecated.mapcss	(revision 15309)
+++ trunk/data/validator/deprecated.mapcss	(revision 15310)
@@ -1256,9 +1256,9 @@
 }
 
-way[building=true],
-way[building=*],
-way[building=Y],
-way[building=y],
-way[building=1] {
+*[building=true],
+*[building="*"],
+*[building=Y],
+*[building=y],
+*[building=1] {
   throwError: tr("{0}", "{0.tag}");
   suggestAlternative: "building=yes";