are permitted in any medium without royalty provided the copyright
notice and this notice are preserved. -->
-<!ELEMENT btrace-conf (bts?)>
+<!ELEMENT btrace-conf (bts?, pt?)>
<!ATTLIST btrace-conf version CDATA #FIXED "1.0">
<!ELEMENT bts EMPTY>
+<!ATTLIST bts size CDATA #IMPLIED>
+
+<!ELEMENT pt EMPTY>
+<!ATTLIST pt size CDATA #IMPLIED>