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+From: Daniel Kahn Gillmor <dkg@fifthhorseman.net>\r
+To: David Mazieres expires 2016-07-03 PDT\r
+ <mazieres-297ctmng4fhr6h6ad8yffa64yi@temporary-address.scs.stanford.edu>,\r
+ Mark Walters <markwalters1009@gmail.com>, Eric <eric@deptj.eu>,\r
+ notmuch@notmuchmail.org\r
+Subject: Re: Breaking a really long thread\r
+In-Reply-To: <87wpoc7hf8.fsf@ta.scs.stanford.edu>\r
+References: <c10e501c2baee471cbeeb42aad89a1e966407234-NM@bruno.deptj.eu>\r
+ <87k2kd8r6d.fsf@qmul.ac.uk> <87wpoc7hf8.fsf@ta.scs.stanford.edu>\r
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+ (x86_64-pc-linux-gnu)\r
+Date: Sat, 09 Apr 2016 07:20:47 -0400\r
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+\r
+On Tue 2016-04-05 01:28:43 -0400, David Mazieres wrote:\r
+> Arguably, I would say either both the In-Reply-To and the References\r
+> header should be hidden or neither. Otherwise, what was happening is\r
+> that I was deleting the In-Reply-To header as it was the only one I saw,\r
+> and figuring that maybe References was adjusted after the fact based on\r
+> In-Reply-To. After all, the message buffer doesn't keep track of the\r
+> parent message.\r
+>\r
+> Unless there's a reason that someone would want to alter In-Reply-To\r
+> without altering References, it doesn't make sense to show one without\r
+> the other.\r
+\r
+I think i agree with David here, but the fact is that\r
+message-hidden-headers is derived directly from emacs (in message.el),\r
+and isn't part of notmuch-emacs at all.\r
+\r
+Are these changes worth addressing upstream?\r
+\r
+ --dkg\r