diff -rup Python-2.3.4-orig/Modules/_localemodule.c Python-2.3.4/Modules/_localemodule.c
--- Python-2.3.4-orig/Modules/_localemodule.c	2004-03-21 14:53:59.000000000 -0500
+++ Python-2.3.4/Modules/_localemodule.c	2007-11-20 09:07:04.000000000 -0500
@@ -399,7 +399,7 @@ PyLocale_strxfrm(PyObject* self, PyObjec
     buf = PyMem_Malloc(n1);
     if (!buf)
         return PyErr_NoMemory();
-    n2 = strxfrm(buf, s, n1);
+    n2 = strxfrm(buf, s, n1) + 1;
     if (n2 > n1) {
         /* more space needed */
         buf = PyMem_Realloc(buf, n2);