diff --git a/ChangeLog b/ChangeLog
index fb3fbad46f..22d7a28c10 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,12 @@
+2004-07-18  Thomas Vander Stichele  <thomas at apestaart dot org>
+
+	* gst/matroska/matroska-demux.c:
+	(gst_matroska_demux_handle_src_event),
+	(gst_matroska_demux_parse_blockgroup):
+	* gst/matroska/matroska-ids.h:
+	  add BlockReference tag and ignore it to clear out log.
+	  ignore NAVIGATION events to clear out log.
+
 2004-07-18  Thomas Vander Stichele  <thomas at apestaart dot org>
 
 	* gst/matroska/matroska-demux.c: (gst_matroska_demux_class_init),
diff --git a/gst/matroska/matroska-demux.c b/gst/matroska/matroska-demux.c
index 0772644472..4c8c93ea9d 100644
--- a/gst/matroska/matroska-demux.c
+++ b/gst/matroska/matroska-demux.c
@@ -1063,6 +1063,10 @@ gst_matroska_demux_handle_src_event (GstPad * pad, GstEvent * event)
     case GST_EVENT_SEEK:
       return gst_matroska_demux_send_event (GST_ELEMENT (demux), event);
 
+      /* events we don't need to handle */
+    case GST_EVENT_NAVIGATION:
+      break;
+
     default:
       GST_WARNING ("Unhandled event of type %d", GST_EVENT_TYPE (event));
       res = FALSE;
@@ -1927,6 +1931,18 @@ gst_matroska_demux_parse_blockgroup (GstMatroskaDemux * demux,
         GST_WARNING ("FIXME: implement support for BlockDuration");
         break;
       }
+      case GST_MATROSKA_ID_REFERENCEBLOCK:{
+        /* FIXME: this segfaults
+           gint64 num;
+           if (!gst_ebml_read_sint (ebml, &id, &num)) {
+           res = FALSE;
+           break;
+           }
+           GST_WARNING ("FIXME: implement support for ReferenceBlock");
+         */
+        break;
+      }
+
 
       default:
         GST_WARNING ("Unknown entry 0x%x in blockgroup data", id);
diff --git a/gst/matroska/matroska-ids.h b/gst/matroska/matroska-ids.h
index 16fc475f4a..cb45665539 100644
--- a/gst/matroska/matroska-ids.h
+++ b/gst/matroska/matroska-ids.h
@@ -116,6 +116,7 @@
 /* IDs in the cluster master */
 #define GST_MATROSKA_ID_CLUSTERTIMECODE 0xE7
 #define GST_MATROSKA_ID_BLOCKGROUP 0xA0
+#define GST_MATROSKA_ID_REFERENCEBLOCK 0xFB
 
 /* IDs in the blockgroup master */
 #define GST_MATROSKA_ID_BLOCK      0xA1