--- old/src/java.naming/share/classes/javax/naming/NameImpl.java	2014-08-27 10:00:53.000000000 +0800
+++ new/src/java.naming/share/classes/javax/naming/NameImpl.java	2014-08-27 10:00:52.000000000 +0800
@@ -170,7 +170,7 @@
                 endQuote = one ? syntaxEndQuote1 : syntaxEndQuote2;
 
                 i += syntaxTypevalSeparator.length();
-                answer.append(syntaxTypevalSeparator+beginQuote); // add back
+                answer.append(syntaxTypevalSeparator).append(beginQuote); // add back
 
                 // consume string until matching quote
                 for (i += beginQuote.length();