diff --git a/xmlIO.h b/xmlIO.h
index 8f9b7e0..2d14ebe 100644
--- a/xmlIO.h
+++ b/xmlIO.h
@@ -33,6 +33,7 @@
     xmlCharEncodingHandlerPtr encoder; /* I18N conversions to UTF-8 */
     
     xmlBufferPtr buffer;    /* Local buffer encoded in  UTF-8 */
+    xmlBufferPtr raw;       /* if encoder != NULL buffer for raw input */
 };