Re: [PATCH 1/4] emacs: new customization variable to exclude "deleted" messages from...

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+Date: Sun, 8 Jan 2012 20:49:38 -0500\r
+From: Austin Clements <amdragon@MIT.EDU>\r
+To: Aaron Ecay <aaronecay@gmail.com>\r
+Subject: Re: [PATCH 1/4] emacs: new customization variable to exclude\r
+       "deleted" messages from search\r
+Message-ID: <20120109014938.GE20796@mit.edu>\r
+References: <1325975294-646-1-git-send-email-jrollins@finestructure.net>\r
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+\r
+> > @@ -927,6 +932,9 @@ The optional parameters are used as follows:\r
+> >      (set 'notmuch-search-target-thread target-thread)\r
+> >      (set 'notmuch-search-target-line target-line)\r
+> >      (set 'notmuch-search-continuation continuation)\r
+> > +    (when (and notmuch-search-exclude-deleted\r
+> > +         (not (string-match "tag:deleted[ )]*" query)))\r
+> \r
+> “is:” is a synonym for “tag:” in searches – so this section of the code\r
+> should look for it too.\r
+\r
+There are several other things that could also trip up this regexp.\r
+xtag:deletedx would be falsely matched, as would a quoted phrase\r
+containing "tag:deleted", while tag:"deleted" and tag:(deleted) would\r
+incorrectly not be matched.  Getting this right is hard, though I'd be\r
+happy with\r
+\r
+  "\\<\\(tag\\|is\\):deleted\\>"\r
+\r
+or maybe\r
+\r
+  "\\<\\(tag\\|is\\):\\(\"?\\)deleted\\>\\2"\r
+\r
+Implicit exclusions like this were actually one of my target features\r
+for the custom query parser, but I think hacking around that by\r
+inspecting the query string is a fine interim solution.  (One of these\r
+months I'll dust off the query parser, really!)\r