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+From: David Bremner <david@tethera.net>\r
+To: Suvayu Ali <fatkasuvayu+linux@gmail.com>, notmuch@notmuchmail.org\r
+Subject: Re: Unable to search for emails with content with a given MIME type\r
+In-Reply-To: <20150204205340.GB18466@chitra.no-ip.org>\r
+References: <2fl1tyos3ex.fsf@diskless.uio.no>\r
+ <877fw7r7d0.fsf@electricoding.com>\r
+ <20150204205340.GB18466@chitra.no-ip.org>\r
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+Date: Wed, 04 Feb 2015 22:08:57 +0100\r
+Message-ID: <87fvaltmdy.fsf@maritornes.cs.unb.ca>\r
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+Suvayu Ali <fatkasuvayu+linux@gmail.com> writes:\r
+\r
+> Hi,\r
+>\r
+> On Tue, Jan 27, 2015 at 08:01:31PM -0600, Todd wrote:\r
+>> \r
+>> The feature you wanted was committed a few days ago (searching with a\r
+>> "mimetype:" prefix). Searching for "mimetype:calendar" would get any\r
+>> "text/calendar" or "ics/calendar" attachments.\r
+>\r
+> I am using notmuch from HEAD, but I do not get any results with\r
+> mimetype:<word>. Is this only available for new emails? If so, how do\r
+> I enable, searching with mimetype: for old emails?\r
+>\r
+\r
+You'll have to dump your tags, re-index, and restore your tags.\r
+\r
+d\r