Re: [PATCH v2] emacs: bad regexp @ `notmuch-search-process-filter'

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+Date: Mon, 11 Jul 2011 17:05:32 -0400\r
+From: Austin Clements <amdragon@MIT.EDU>\r
+To: Pieter Praet <pieter@praet.org>\r
+Subject: Re: [PATCH v2] emacs: bad regexp @ `notmuch-search-process-filter'\r
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+Quoth Pieter Praet on Jul 11 at 10:43 pm:\r
+> TL;DR: I can haz regex pl0x?\r
+\r
+Oof, what a pain.  I'm happy to change the output format of search; I\r
+hadn't realized how difficult it would be to parse.  In fact, I'm not\r
+sure it's even parsable by regexp, because the message ID's themselves\r
+could contain parens.\r
+\r
+So what would be a good format?  One possibility would be to\r
+NULL-delimit the query part; as distasteful as I find that, this part\r
+of the search output isn't meant for user consumption.  Though I fear\r
+this is endemic to the dual role the search output currently plays as\r
+both user and computer readable.\r
+\r
+I've also got the code to do everything using document ID's instead of\r
+message ID's.  As a side-effect, it makes the search output clean and\r
+readily parsable since document ID's are just numbers.  Hence, there\r
+are no quoting or escaping issues (plus the output is much more\r
+compact).  I haven't sent this to the list yet because I haven't had a\r
+chance to benchmark it and determine if the performance benefits make\r
+exposing document ID's worthwhile.\r