From 63a8a53797793a033507b7c5f5cd27cdd1bb98c6 Mon Sep 17 00:00:00 2001
From: Russ Allbery <rra@stanford.edu>
Date: Wed, 31 Aug 2011 20:16:07 +0000
Subject: [PATCH] Filter out Xref header and sign Supersedes

---
 sign.sh | 14 ++++++++++----
 1 file changed, 10 insertions(+), 4 deletions(-)

diff --git a/sign.sh b/sign.sh
index aae358f..ff77b4e 100755
--- a/sign.sh
+++ b/sign.sh
@@ -6,8 +6,14 @@
 # Heiko Schlichting (heiko@fu-berlin.de)
 #
 # $Log$
-# Revision 1.1  2003/07/06 18:58:06  eagle
-# Import current version from ftp.isc.org /pub/pgpcontrol.
+# Revision 1.2  2011/08/31 20:16:07  eagle
+# Filter out Xref header and sign Supersedes
+#
+# Revision 1.10  1996/09/15 02:19:04  heiko
+# Also sign Supersedes
+#
+# Revision 1.9  1996/08/09 23:31:43  heiko
+# Filtering Xref header
 #
 # Revision 1.8  1996/08/09 22:25:27  heiko
 # ignore case in headers but keep the right case to sign
@@ -90,7 +96,7 @@ while [ $# -gt 0 ]; do
 	$GAWK -F: '
 		BEGIN{
 			# Which headers should be signed?
-			headernames="Subject:Control:Message-ID:Date:From:Sender:Newsgroups:Approved:Followup-To"
+			headernames="Subject:Control:Message-ID:Date:From:Sender:Newsgroups:Approved:Followup-To:Supersedes"
 			split(headernames,header)
 			IGNORECASE=1
 			body=0
@@ -143,7 +149,7 @@ while [ $# -gt 0 ]; do
 			skip=0
 			version="unknown"
 			# Which header should be filtered?
-			filternames="X-PGP-Sig:NNTP-Posting-Host:NNTP-Posting-User:Path:To:Cc:X-Access:Lines:X-Newsreader"
+			filternames="X-PGP-Sig:NNTP-Posting-Host:NNTP-Posting-User:Path:To:Cc:X-Access:Lines:X-Newsreader:Xref"
 			split(filternames,filter,":")
 			IGNORECASE=1
 			while ((getline header < artfile) >0) {