$NetBSD: patch-at,v 1.1 2006/06/23 16:29:02 hira Exp $

--- troff/env.h.orig	2006-06-16 17:17:59.000000000 +0900
+++ troff/env.h	2006-06-16 17:18:17.000000000 +0900
@@ -336,6 +336,8 @@
   friend void stretch_threshold_request();
 #endif
 };
+
+void title();
 	
 extern environment *curenv;
 extern void pop_env();