/usr/share/empathy/empathy-status-presets.dtd is in empathy-common 3.8.6-0ubuntu9.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 | <!--
DTD for Empathys status presets.
by Martyn Russell <martyn@imendio.com>
-->
<!-- Root element. -->
<!ELEMENT presets ((default?),status*)>
<!ELEMENT default (#PCDATA)>
<!ATTLIST default presence CDATA #REQUIRED>
<!ELEMENT status (#PCDATA)>
<!ATTLIST status presence CDATA #REQUIRED>
|