but might not on older. It is possible to convert the machine ID into a UUID v4-compatible one. For more
information, see
<citerefentry><refentrytitle>machine-id</refentrytitle><manvolnum>5</manvolnum></citerefentry>. It is
- hence guaranteed that thes functions will never return the ID consisting of all zero or all one bits
+ hence guaranteed that these functions will never return the ID consisting of all zero or all one bits
(<constant>SD_ID128_NULL</constant>, <constant>SD_ID128_ALLF</constant>) — with the possible exception of
<function>sd_id128_get_machine()</function>, as mentioned.</para>