r=vidur. Fix for bug 9075. Return NS_OK instead of NS_ERROR_NOT_IMPLEMENTED from nsXMLDocument::GetDocType(). This allows script parsing to continue after a document.doctype JS statement is encountered.

content/xml/document/src/nsXMLDocument.cpp

@@ -353,7 +353,7 @@ nsXMLDocument::GetDoctype(nsIDOMDocumentType** aDocumentType)
 {
   // XXX TBI
   *aDocumentType = nsnull;
-  return NS_ERROR_NOT_IMPLEMENTED;
+  return NS_OK;
 }
  
 NS_IMETHODIMP    

layout/xml/document/src/nsXMLDocument.cpp

@@ -353,7 +353,7 @@ nsXMLDocument::GetDoctype(nsIDOMDocumentType** aDocumentType)
 {
   // XXX TBI
   *aDocumentType = nsnull;
-  return NS_ERROR_NOT_IMPLEMENTED;
+  return NS_OK;
 }
  
 NS_IMETHODIMP