Re: [notmuch] notmuch and imap [musing, no code :)]

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+From: David Bremner <david@tethera.net>\r
+To: Alec Berryman <alec@thened.net>\r
+In-Reply-To: <20091216005411.GA28199@thened.net>\r
+References: <87pr6gcuiu.fsf@pivot.cs.unb.ca>\r
+       <20091216005411.GA28199@thened.net>\r
+Date: Wed, 16 Dec 2009 09:18:16 -0400\r
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+Cc: notmuch@notmuchmail.org\r
+Subject: Re: [notmuch] notmuch and imap [musing, no code :)]\r
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+\r
+On Tue, 15 Dec 2009 19:54:11 -0500, Alec Berryman <alec@thened.net> wrote:\r
+\r
+> There are security concerns (need to strip incoming messages of tags so\r
+> no one tags your mail for you), privacy concerns (if you forward the\r
+> entire message as an attachment, may want to strip tags), and space\r
+> concerns (how many flags?), but I think they can be worked around.\r
+\r
+I agree that the labels-in-headers approach has some nice advantages.  I\r
+haven't thought through merging of tag lists, but maybe that is no worse\r
+than other approaches.  One thing that worries me a bit is that notmuch\r
+updates tags often, and each of these updates would require rewriting\r
+the message, at least in the obvious implementation. I'd hate to finally\r
+have Xapian issue 350 fixed, only to take an equivalent hit by rewriting\r
+the message. Maybe it is not that slow.\r
+\r
+d\r