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+Date: Sun, 20 Apr 2014 12:48:12 -0400\r
+From: Austin Clements <amdragon@MIT.EDU>\r
+To: notmuch@notmuchmail.org\r
+Subject: Re: excessive thread fusing\r
+Message-ID: <20140420164812.GB25817@mit.edu>\r
+References: <87ioq5mrbz.fsf@maritornes.cs.unb.ca>\r
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+\r
+Quoth Andrei POPESCU on Apr 20 at 12:04 am:\r
+> On Sb, 19 apr 14, 18:52:02, Eric wrote:\r
+> > \r
+> > This may not actually be any help, but both hypermail and mhonarc agree\r
+> > that two messages form a separate thread from the rest. I believe that\r
+> > the latter, at least, is the JWZ algorithm.\r
+> \r
+> mutt concurs.\r
+\r
+Can anyone explain why JWZ *doesn't* have the same problem? I don't\r
+see how this heuristic doesn't doom it to the same fate:\r
+\r
+ The References field is populated from the ``References'' and/or\r
+ ``In-Reply-To'' headers. If both headers exist, take the first thing\r
+ in the In-Reply-To header that looks like a Message-ID, and append\r
+ it to the References header.\r
+\r
+Given this, even considering only messages 18 and 52 (which "should"\r
+be in different threads), JWZ should find the common "parent"\r
+e.fraga@ucl.ac.uk and link them in to the same thread:\r
+\r
+Add 18 (step 1)\r
+- The combined "references" list is <ID17> <e.fraga@ucl.ac.uk>\r
+- Creates and links containers 17 <- e.fraga@ucl.ac.uk <- 18 where the\r
+ first two are empty\r
+\r
+Add 52 (step 1)\r
+- The combined "references" list is <ID31> <ID32> <ID39>\r
+ <e.fraga@ucl.ac.uk>\r
+- Creates and links containers 31 <- 32 <- 39\r
+- Also considers container e.fraga@ucl.ac.uk, but this is already\r
+ linked, so it doesn't change it\r
+- Creates container 52 and links e.fraga@ucl.ac.uk <- 52 (step 1C)\r
+\r
+18 and 52 will later get promoted over their empty parent (step 4),\r
+but will remain in the same thread.\r
+\r
+What am I missing? Or are these other MUAs not using pure JWZ?\r
projects / notmuch-archives.git / commitdiff