diff for duplicates of <20210316163544.GA31272@veeam.com>

diff --git a/a/1.txt b/N1/1.txt
index a6af9b8..625c883 100644
--- a/a/1.txt
+++ b/N1/1.txt
@@ -191,8 +191,3 @@ approach.
 -- 
 Sergei Shtepa
 Veeam Software developer.
-
---
-dm-devel mailing list
-dm-devel@redhat.com
-https://listman.redhat.com/mailman/listinfo/dm-devel
diff --git a/a/content_digest b/N1/content_digest
index a790b32..73a888e 100644
--- a/a/content_digest
+++ b/N1/content_digest
@@ -2,18 +2,19 @@
  "ref\01615563895-28565-3-git-send-email-sergei.shtepa@veeam.com\0"
  "ref\0YFBnypYemiR08A/c@T590\0"
  "From\0Sergei Shtepa <sergei.shtepa@veeam.com>\0"
- "Subject\0Re: [dm-devel] [PATCH v7 2/3] block: add bdev_interposer\0"
+ "Subject\0Re: [PATCH v7 2/3] block: add bdev_interposer\0"
  "Date\0Tue, 16 Mar 2021 19:35:44 +0300\0"
  "To\0Ming Lei <ming.lei@redhat.com>\0"
- "Cc\0Jens Axboe <axboe@kernel.dk>"
-  linux-block@vger.kernel.org <linux-block@vger.kernel.org>
+ "Cc\0Christoph Hellwig <hch@infradead.org>"
   Mike Snitzer <snitzer@redhat.com>
-  linux-api@vger.kernel.org <linux-api@vger.kernel.org>
-  Pavel Tide <Pavel.TIde@veeam.com>
-  linux-kernel@vger.kernel.org <linux-kernel@vger.kernel.org>
-  Christoph Hellwig <hch@infradead.org>
+  Alasdair Kergon <agk@redhat.com>
+  Hannes Reinecke <hare@suse.de>
+  Jens Axboe <axboe@kernel.dk>
   dm-devel@redhat.com <dm-devel@redhat.com>
- " Alasdair Kergon <agk@redhat.com>\0"
+  linux-block@vger.kernel.org <linux-block@vger.kernel.org>
+  linux-kernel@vger.kernel.org <linux-kernel@vger.kernel.org>
+  linux-api@vger.kernel.org <linux-api@vger.kernel.org>
+ " Pavel Tide <Pavel.TIde@veeam.com>\0"
  "\00:1\0"
  "b\0"
  "The 03/16/2021 11:09, Ming Lei wrote:\n"
@@ -208,11 +209,6 @@
  "\n"
  "-- \n"
  "Sergei Shtepa\n"
- "Veeam Software developer.\n"
- "\n"
- "--\n"
- "dm-devel mailing list\n"
- "dm-devel@redhat.com\n"
- https://listman.redhat.com/mailman/listinfo/dm-devel
+ Veeam Software developer.
 
-902272d1e63fcd88dd84d462bfd7e94c245c090a49cf444db4236bbffc7e10dc
+47b28f334f344744ea651733f14dff001a330925e4415e32bf256e9fe766b8ce
