From 95360dba667df074a6d5ca632fb4ec4ec551e40d Mon Sep 17 00:00:00 2001
From: Mark Wooding <mdw@distorted.org.uk>
Date: Wed, 30 Apr 2014 00:13:28 +0100
Subject: [PATCH] Avoid printing removed lines unless necessary; avoid version
 headers.

---
 convert | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/convert b/convert
index eb1ca3c..7541ff1 100755
--- a/convert
+++ b/convert
@@ -93,7 +93,8 @@ perl -ne '
 		$out .= $_;
 	END {
 		if ($out =~ m/^\@\@/s &&
-		    $out =~ m/^(?:\+ )?[^\@ ].*\w.*$/m) {
+		    ($out =~ m/^\+(?!u?adns).*\w.*$/m ||
+		     $out =~ m/^\-(?!u?adns).*\w.*$/m)) {
 			print $&, "\n\n" or die $!;
 		}
 		print $out or die $!;
-- 
2.30.2