Index: Modules/readline.c
===================================================================
--- Modules/readline.c.orig	2008-11-04 21:43:31.000000000 +0100
+++ Modules/readline.c	2009-12-02 19:40:01.000000000 +0100
@@ -759,6 +759,10 @@ on_completion(const char *text, int stat
 static char **
 flex_complete(char *text, int start, int end)
 {
+#ifdef HAVE_RL_COMPLETION_APPEND_CHARACTER
+	rl_completion_append_character ='\0';
+	rl_completion_suppress_append = 0;
+#endif
 	Py_XDECREF(begidx);
 	Py_XDECREF(endidx);
 	begidx = PyInt_FromLong((long) start);
@@ -801,9 +805,6 @@ setup_readline(void)
 	rl_completer_word_break_characters =
 		strdup(" \t\n`~!@#$%^&*()-=+[{]}\\|;:'\",<>/?");
 		/* All nonalphanums except '.' */
-#ifdef HAVE_RL_COMPLETION_APPEND_CHARACTER
-	rl_completion_append_character ='\0';
-#endif
 
 	begidx = PyInt_FromLong(0L);
 	endidx = PyInt_FromLong(0L);