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+From: David Bremner <david@tethera.net>\r
+To: Austin Clements <amdragon@MIT.EDU>, notmuch@notmuchmail.org\r
+Subject: Re: [PATCH v3] test: Test thread linking in all possible delivery\r
+ orders\r
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+References: <87wqehaw69.fsf@qmul.ac.uk>\r
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+Date: Wed, 16 Jul 2014 07:31:56 -0300\r
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+Austin Clements <amdragon@MIT.EDU> writes:\r
+\r
+> This version addresses Mark's review by using a completely different\r
+> thread tree generation algorithm that directly generates distinct\r
+> trees. This algorithm is a little longer, so I pulled it out into its\r
+> own script. Since v2, I also realized we already had an equivalent\r
+> hand-written, but far less thorough test in T260-thread-order, so this\r
+> version simply replaces that test.\r
+\r
+Well, it matches the first 8 terms of \r
+\r
+ http://oeis.org/A000169\r
+\r
+So I guess that's good enough for me ;).\r
+\r
+d\r