$NetBSD: patch-au,v 1.1 1999/01/10 23:52:17 tron Exp $

--- pnm/pnmsmooth.orig.orig	Sun Jan 10 23:48:41 1999
+++ pnm/pnmsmooth.orig	Sun Jan 10 23:48:41 1999
@@ -0,0 +1,20 @@
+#!/bin/sh
+#
+# pnmsmooth - smooth out an image by replacing each xel with the
+#             average of its nine immediate neighbors
+
+tmp=/tmp/psm.$$
+rm -f $tmp
+
+cat > $tmp << MOO
+P2
+3 3
+18
+10 10 10
+10 10 10
+10 10 10
+MOO
+
+pnmconvol $tmp ${1+"$@"}
+
+rm -f $tmp