--- ddd-3.3.12/ddd/GDBAgent.C~	2014-06-12 13:12:48.713738359 -0400
+++ ddd-3.3.12/ddd/GDBAgent.C	2014-06-12 13:12:48.713738359 -0400
@@ -3200,7 +3200,7 @@
     {
         string end_( end );
 	normalize_address(end_);
-	cmd += ' ';
+	cmd += ',';
 	cmd += end_;
     }
     return cmd;