Index: /trunk/src/org/openstreetmap/josm/gui/mappaint/mapcss/ExpressionFactory.java
===================================================================
--- /trunk/src/org/openstreetmap/josm/gui/mappaint/mapcss/ExpressionFactory.java	(revision 5713)
+++ /trunk/src/org/openstreetmap/josm/gui/mappaint/mapcss/ExpressionFactory.java	(revision 5714)
@@ -140,5 +140,5 @@
 
         public static List split(String sep, String toSplit) {
-            return Arrays.asList(toSplit.split(Pattern.quote(sep)));
+            return Arrays.asList(toSplit.split(Pattern.quote(sep), -1));
         }