Index: xmllint.c
===================================================================
RCS file: /cvs/gnome/gnome-xml/xmllint.c,v
retrieving revision 1.66
diff -u -r1.66 xmllint.c
--- xmllint.c	4 Jan 2003 16:35:28 -0000	1.66
+++ xmllint.c	5 Jan 2003 17:18:57 -0000
@@ -11,6 +11,8 @@
 #include <string.h>
 #include <stdarg.h>
 
+#include <assert.h>
+
 #if defined (_WIN32) && !defined(__CYGWIN__)
 #ifdef _MSC_VER
 #include <winsock2.h>
@@ -1178,6 +1180,20 @@
     printf("\nLibxml project home page: http://xmlsoft.org/\n");
     printf("To report bugs or get some help check: http://xmlsoft.org/bugs.html\n");
 }
+
+void registerNode(xmlNodePtr node)
+{
+    node->_private = malloc(sizeof(long));
+    *(long*)node->_private = 0x81726354;
+}
+
+void deregisterNode(xmlNodePtr node)
+{
+    assert(node->_private != NULL);
+    assert(*(long*)node->_private == 0x81726354);
+    free(node->_private);
+}
+
 int
 main(int argc, char **argv) {
     int i, acount;
@@ -1371,6 +1387,10 @@
 	}
     }
 #endif
+
+    xmlRegisterNodeDefault(registerNode);
+    xmlDeregisterNodeDefault(deregisterNode);
+
     xmlLineNumbersDefault(1);
     if (loaddtd != 0)
 	xmlLoadExtDtdDefaultValue |= XML_DETECT_IDS;