- debugXML.c hash.c tree.h valid.c : some changes related to

the validation suport to improve speed with DocBook
- result/VC/OneID2 result/VC/OneID3 : this slightly changes
  the way validation errors get reported
Daniel

debugXML.c

@@ -239,6 +239,9 @@ xmlDebugDumpElemDecl(FILE *output, xmlElementPtr elem, int depth) {
     } else
 	fprintf(output, "PBM ELEMDECL noname!!!");
     switch (elem->etype) {
+	case XML_ELEMENT_TYPE_UNDEFINED: 
+	    fprintf(output, ", UNDEFINED");
+	    break;
 	case XML_ELEMENT_TYPE_EMPTY: 
 	    fprintf(output, ", EMPTY");
 	    break;