diff for duplicates of <20210104202749.GA3721@redhat.com>

diff --git a/a/1.txt b/N1/1.txt
index 6985334..f1c022b 100644
--- a/a/1.txt
+++ b/N1/1.txt
@@ -44,8 +44,3 @@ I'm not seeing how you could experience the NULL pointer you say is
 possible.
 
 Mike
-
---
-dm-devel mailing list
-dm-devel@redhat.com
-https://www.redhat.com/mailman/listinfo/dm-devel
diff --git a/a/content_digest b/N1/content_digest
index 04ee5b1..3837e3f 100644
--- a/a/content_digest
+++ b/N1/content_digest
@@ -1,11 +1,11 @@
  "ref\01608878926-2283057-1-git-send-email-bodefang@126.com\0"
  "From\0Mike Snitzer <snitzer@redhat.com>\0"
- "Subject\0Re: [dm-devel] dm snap : add sanity checks to snapshot_ctr\0"
+ "Subject\0Re: dm snap : add sanity checks to snapshot_ctr\0"
  "Date\0Mon, 4 Jan 2021 15:27:50 -0500\0"
  "To\0Defang Bo <bodefang@126.com>\0"
- "Cc\0dm-devel@redhat.com"
+ "Cc\0agk@redhat.com"
   linux-kernel@vger.kernel.org
- " agk@redhat.com\0"
+ " dm-devel@redhat.com\0"
  "\00:1\0"
  "b\0"
  "On Fri, Dec 25 2020 at  1:48am -0500,\n"
@@ -53,11 +53,6 @@
  "I'm not seeing how you could experience the NULL pointer you say is\n"
  "possible.\n"
  "\n"
- "Mike\n"
- "\n"
- "--\n"
- "dm-devel mailing list\n"
- "dm-devel@redhat.com\n"
- https://www.redhat.com/mailman/listinfo/dm-devel
+ Mike
 
-b07d1d60e5bd661ac4f159eb295559177b99a0d186e350cb97131398cd72df66
+d34281e60a469a0facd69eec77facc2143f5163cc5b32337a153433a8c4adb80
