Index: trunk/data/validator/combinations.mapcss
===================================================================
--- trunk/data/validator/combinations.mapcss	(revision 14807)
+++ trunk/data/validator/combinations.mapcss	(revision 14808)
@@ -253,4 +253,10 @@
 }
 
+/* {0.tag} together with {1.tag} (error level) */
+relation[type=multipolygon][area=no] {
+  throwError: tr("{0} together with {1}", "{0.tag}", "{1.tag}");
+  group: tr("suspicious tag combination");
+}
+
 /* {0.key} together with {1.key} (info level) */
 *[addr:street][addr:place] {
Index: trunk/styles/standard/elemstyles.mapcss
===================================================================
--- trunk/styles/standard/elemstyles.mapcss	(revision 14807)
+++ trunk/styles/standard/elemstyles.mapcss	(revision 14808)
@@ -1710,10 +1710,11 @@
     set icon_z17;
 }
-area[leisure=track][!area?!]:closed {
-    fill-color: leisuretrack#d4f4b9;
-}
 way[leisure=track] {
     width: 2;
     color: leisuretrack#d4f4b9;
+}
+way[leisure=track][area?],
+relation[leisure=track][!area?!]:closed {
+    fill-color: leisuretrack#d4f4b9;
 }
 node[leisure=track] {
