-/* $Id: su_codec.c,v 1.2 2007-01-15 15:10:26 adam Exp $
+/* $Id: su_codec.c,v 1.3 2007-05-25 12:17:12 adam Exp $
Copyright (C) 1995-2007
Index Data ApS
int key_SU_encode (int ch, char *out)
{
int i;
+
+ if (ch == -1)
+ {
+ /* unique value .. which is different from ch >= 0 case */
+ /* is used to generate queries with "null" hits, bug #1142 */
+ out[0] = 129;
+ return 1;
+ }
for (i = 0; ch; i++)
{
if (ch >= 64)