notmuch_message_file_restrict_headersv (notmuch_message_file_t *message,
va_list va_headers);
-/* Get the value of the specified header from the message.
+/* Get the value of the specified header from the message as a UTF-8 string.
*
* The header name is case insensitive.
*
int
notmuch_thread_get_matched_messages (notmuch_thread_t *thread);
-/* Get the authors of 'thread'
+/* Get the authors of 'thread' as a UTF-8 string.
*
* The returned string is a comma-separated list of the names of the
* authors of mail messages in the query results that belong to this
const char *
notmuch_thread_get_authors (notmuch_thread_t *thread);
-/* Get the subject of 'thread'
+/* Get the subject of 'thread' as a UTF-8 string.
*
* The subject is taken from the first message (according to the query
* order---see notmuch_query_set_sort) in the query results that
time_t
notmuch_message_get_date (notmuch_message_t *message);
-/* Get the value of the specified header from 'message'.
+/* Get the value of the specified header from 'message' as a UTF-8 string.
*
* Common headers are stored in the database when the message is
* indexed and will be returned from the database. Other headers will