$NetBSD: patch-aw,v 1.1 2006/04/21 02:07:54 wulf Exp $

--- yapp.c.orig	2006-04-14 11:54:19.000000000 +0930
+++ yapp.c	2006-04-14 11:54:42.000000000 +0930
@@ -505,7 +505,7 @@
 
       w[0] = '\0';
       x = 4;
-      while (x <= len && isdigit(yapp->buffer[x])) {
+      while (x <= len && isdigit((u_char) yapp->buffer[x])) {
 	sprintf(w + strlen(w), "%c", yapp->buffer[x]);
 	x++;
       }