make xmlValidateDocument emit a warning msg if there is no DTD, pointed by

* valid.c: make xmlValidateDocument emit a warning msg if there
  is no DTD, pointed by Christian Glahn
Daniel
diff --git a/ChangeLog b/ChangeLog
index 0b49306..b2f1a00 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,8 @@
+Wed Oct 16 16:31:05 CEST 2002 Daniel Veillard <daniel@veillard.com>
+
+	* valid.c: make xmlValidateDocument emit a warning msg if there
+	  is no DTD, pointed by Christian Glahn
+
 Wed Oct 16 16:05:38 CEST 2002 Daniel Veillard <daniel@veillard.com>
 
 	* xmlregexp.c xmlschemas.c: fixed the validation of sequences
diff --git a/valid.c b/valid.c
index 57c42f0..bee2506 100644
--- a/valid.c
+++ b/valid.c
@@ -5746,8 +5746,10 @@
     int ret;
     xmlNodePtr root;
 
-    if ((doc->intSubset == NULL) && (doc->extSubset == NULL))
+    if ((doc->intSubset == NULL) && (doc->extSubset == NULL)) {
+	VERROR(ctxt->userData, "no DTD found!\n" );
 	return(0);
+    }
     if ((doc->intSubset != NULL) && ((doc->intSubset->SystemID != NULL) ||
 	(doc->intSubset->ExternalID != NULL)) && (doc->extSubset == NULL)) {
         doc->extSubset = xmlParseDTD(doc->intSubset->ExternalID,