--- valid.c.~1.177.~	2003-11-05 11:42:18.000000000 +0100
+++ valid.c	2003-11-10 11:13:44.000000000 +0100
@@ -2546,8 +2546,8 @@
  */
 int
 xmlRemoveID(xmlDocPtr doc, xmlAttrPtr attr) {
-    xmlAttrPtr cur;
     xmlIDTablePtr table;
+    xmlIDPtr id;
     xmlChar *ID;
 
     if (doc == NULL) return(-1);
@@ -2561,8 +2561,8 @@
     ID = xmlNodeListGetString(doc, attr->children, 1);
     if (ID == NULL)
 	return(-1);
-    cur = xmlHashLookup(table, ID);
-    if (cur != attr) {
+    id = xmlHashLookup(table, ID);
+    if (id == NULL || id->attr != attr) {
 	xmlFree(ID);
 	return(-1);
     }