--- old/src/java.desktop/share/classes/javax/swing/MultiUIDefaults.java	2014-08-21 20:51:04.000000000 +0800
+++ new/src/java.desktop/share/classes/javax/swing/MultiUIDefaults.java	2014-08-21 20:51:03.000000000 +0800
@@ -190,18 +190,18 @@
 
     @Override
     public synchronized String toString() {
-        StringBuilder sb = new StringBuilder();
-        sb.append("{");
-        Enumeration<?> keys = keys();
-        while (keys.hasMoreElements()) {
-            Object key = keys.nextElement();
-            sb.append(key + "=" + get(key) + ", ");
-        }
-        int length = sb.length();
-        if (length > 1) {
-            sb.delete(length-2, length);
-        }
-        sb.append("}");
-        return sb.toString();
+		StringBuilder sb = new StringBuilder();
+		sb.append("{");
+		Enumeration<?> keys = keys();
+		while (keys.hasMoreElements()) {
+			Object key = keys.nextElement();
+			sb.append(key).append('=').append(get(key)).append(", ");
+		}
+		int length = sb.length();
+		if (length > 1) {
+			sb.delete(length - 2, length);
+		}
+		sb.append('}');
+		return sb.toString();
     }
 }