$OpenBSD: patch-unix_installManPage,v 1.1 2011/10/17 15:19:22 stu Exp $
--- unix/installManPage.orig	Thu Jun 23 09:18:36 2011
+++ unix/installManPage	Mon Oct 10 07:58:17 2011
@@ -93,6 +93,9 @@ esac
 
 SrcDir=`dirname $ManPage`
 
+Section=0
+Cat='/usr/local/bin/groff -Tascii -mandoc -Wall -mtty-char -P -c -- -'
+
 ########################################################################
 ### Process Page to Create Target Pages
 ###
@@ -104,7 +107,7 @@ for Target in $Names; do
     if test -z "$First" ; then
 	First=$Target
 	sed -e "/man\.macros/r $SrcDir/man.macros" -e "/man\.macros/d" \
-	    $ManPage > $Dir/$First
+	    $ManPage | $Cat > $Dir/$First
 	chmod 444 $Dir/$First
 	$Gzip $Dir/$First
     else