dump format is prefixed by '#' to allow existing scripts to ignore
it.
+Refactor notmuch-reply, make handling of duplicate headers consistent
+
Emacs
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Add support for `notmuch_threads_t` and `notmuch_thread_t`
-Fixed constant values so they are not all zero anymore.
+Fixed constant values so they are not all zero anymore
Previously, it was impossible to open writable database handles,
because `DATABASE_MODE_READ_ONLY` and `DATABASE_MODE_READ_WRITE` were