+ * For writable databases, notmuch_database_close commits all changes
+ * to disk before closing the database. If the caller is currently in
+ * an atomic section (there was a notmuch_database_begin_atomic
+ * without a matching notmuch_database_end_atomic), this will discard
+ * changes made in that atomic section (but still commit changes made
+ * prior to entering the atomic section).
+ *