[PATCH 0/8] Improve tag change completion

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+From: Austin Clements <amdragon@MIT.EDU>\r
+To: notmuch@notmuchmail.org\r
+Subject: [PATCH 0/8] Improve tag change completion\r
+Date: Tue, 22 Oct 2013 15:50:49 -0400\r
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+\r
+This series improves tag change completion in various ways for\r
+commands like +, -, and *.\r
+\r
+>From a user perspective, this provides command-specific prompts like\r
+"Tag message" and "Tag all" instead of the generic "Tag" prompt, and\r
+bases tag removal completions on the tags that are in the buffer,\r
+rather than the current tags in the database, providing a more\r
+predicable experience.\r
+\r
+>From an implementation perspective, this new tag removal completion\r
+behavior improves efficiency and eliminates a road block to fixing the\r
+tagging race bug (which otherwise results in massive queries just to\r
+compute removal completions).  The new code is also more "Elispy" and\r
+predictable because all tag change prompting now occurs at the\r
+interactive entry points, rather than buried under several layers of\r
+non-interactive calls.\r
+\r
+This is a spiritual successor to\r
+id:1354263691-19715-1-git-send-email-markwalters1009@gmail.com, though\r
+it takes a very different approach.  This is also a prerequisite to\r
+the tag race fix in\r
+id:1381185201-25197-1-git-send-email-amdragon@mit.edu and I plan to\r
+send an updated version of that series when this one is accepted.\r
+\r
+Patches 1, 5, and 6 could be pushed on their own.  They fix bugs or\r
+sort of bugs that get in the way of the rest of the series.\r
+\r