@@ -687,10 +687,20 @@
  * @param format A format string which generates the string to append
  * @return A new, autoreleased OFString with the specified format appended
  */
 - (OFString*)stringByAppendingFormat: (OFConstantString*)format, ...;
 
+/*!
+ * @brief Creates a new string by appending the specified format.
+ *
+ * @param format A format string which generates the string to append
+ * @param arguments The arguments used in the format string
+ * @return A new, autoreleased OFString with the specified format appended
+ */
+- (OFString*)stringByAppendingFormat: (OFConstantString*)format
+			   arguments: (va_list)arguments;
+
 /*!
  * @brief Creates a new string by appending a path component.
  *
  * @param component The path component to append
  * @return A new, autoreleased OFString with the path component appended