+
+ <!-- Chapter 10. The System Clock -->
+ <chapter id="chimara-glk-spec-the-system-clock">
+ <title>The System Clock</title>
+ <xi:include href="xml/glk-clock.xml"/>
+ <xi:include href="xml/glk-clock-conversions.xml"/>
+ <xi:include href="xml/glk-clock-testing.xml"/>
+ </chapter>