--- a/tests/test-patchbomb.out	Wed Jun 17 20:54:26 2009 +0200
+++ b/tests/test-patchbomb.out	Thu Jun 18 15:04:20 2009 +0200
@@ -1152,8 +1152,8 @@
 Subject: [PATCH] Added tag two, two.diff for changeset ff2c9fa2018b
 X-Mercurial-Node: e317db6a6f288748d1f6cb064f3810fcba66b1b6
 Message-Id: <e317db6a6f288748d1f6.60@
-In-Reply-To: baz
-References: baz
+In-Reply-To: <baz>
+References: <baz>
 User-Agent: Mercurial-patchbomb
 Date: Thu, 01 Jan 1970 00:01:00 -0000
 From: quux
@@ -1189,8 +1189,8 @@
 Content-Transfer-Encoding: 7bit
 Subject: [PATCH 0 of 2] None
 Message-Id: <patchbomb.60@
-In-Reply-To: baz
-References: baz
+In-Reply-To: <baz>
+References: <baz>
 User-Agent: Mercurial-patchbomb
 Date: Thu, 01 Jan 1970 00:01:00 -0000
 From: quux