of `mm-default-directory`, `mailcap-download-directory`, and `~/`.
This has been standardized on `mm-default-directory`.
+Better handling of errors in search buffers
+
+ Instead of interleaving errors in search result buffers, search mode
+ now reports errors in the minibuffer.
+
+Faster search results
+
+ Communication between search mode and the notmuch CLI is now more
+ efficient because it uses the CLI's S-expression support. As a
+ result, search mode should now fill search buffers faster.
+
No Emacs 22 support
The Emacs 22 support added late 2010 was sufficient only for a short