1<!-- Copyright (C) 2013 Free Software Foundation, Inc. 2 3 Copying and distribution of this file, with or without modification, 4 are permitted in any medium without royalty provided the copyright 5 notice and this notice are preserved. --> 6 7<!ELEMENT btrace (block)* > 8<!ATTLIST btrace version CDATA #FIXED "1.0"> 9 10<!ELEMENT block EMPTY> 11<!ATTLIST block begin CDATA #REQUIRED 12 end CDATA #REQUIRED> 13