$NetBSD: patch-ae,v 1.1 2004/12/15 13:09:58 taca Exp $

--- nmz/idxname.c.orig	2004-03-21 00:25:10.000000000 +0900
+++ nmz/idxname.c
@@ -153,7 +153,8 @@ nmz_complete_idxnames(void)
     int i;
 
     for (i = 0; i < indices.num; i++) {
- 	if (*indices.names[i] == '+' && isalnum(*(indices.names[i] + 1))) {
+ 	if (*indices.names[i] == '+' &&
+	    isalnum((unsigned char)*(indices.names[i] + 1))) {
 	    char *tmp;
 	    tmp = malloc(strlen(defaultidx) 
 				  + 1 + strlen(indices.names[i]) + 1);