--- ray/src/hd/rhdisp.h	1997/10/31 10:23:29	3.1
+++ ray/src/hd/rhdisp.h	1997/11/03 18:33:12	3.2
@@ -8,19 +8,20 @@
  */
 
 				/* display requests */
-#define DR_NEWSET	1		/* new bundle set */
-#define DR_BUNDLE	2		/* bundle request */
-#define DR_ATTEN	3		/* request for attention */
-#define DR_SHUTDOWN	4		/* shutdown request */
+#define DR_BUNDLE	1		/* bundle request */
+#define DR_ATTEN	2		/* request for attention */
+#define DR_SHUTDOWN	3		/* shutdown request */
+#define DR_NEWSET	4		/* new bundle set */
 #define DR_ADDSET	5		/* add to current set */
 #define DR_DELSET	6		/* delete from current set */
 
 				/* server responses */
-#define DS_IMMSET	1		/* immediate bundle set */
-#define DS_BUNDLE	2		/* computed bundle */
-#define DS_ACKNOW	3		/* acknowledge request for attention */
-#define DS_SHUTDOWN	4		/* end process and close connection */
-#define DS_ADDHOLO	5		/* register new holodeck */
+#define DS_BUNDLE	1		/* computed bundle */
+#define DS_ACKNOW	2		/* acknowledge request for attention */
+#define DS_SHUTDOWN	3		/* end process and close connection */
+#define DS_ADDHOLO	4		/* register new holodeck */
+#define DS_STARTIMM	5		/* begin immediate bundle set */
+#define DS_ENDIMM	6		/* end immediate bundle set */
 
 /*
  * Normally, the server channel has priority, with the display process
@@ -39,28 +40,30 @@ typedef struct {
 
 	/* display request message bodies */
 
-			/* DR_NEWSET */
-/* no body */
 			/* DR_BUNDLE */
 #define BUNDLE_REQ	PACKHEAD
-			/* DR_ENDSET */
+			/* DR_ATTEN */
 /* no body */
 			/* DR_SHUTDOWN */
 /* no body */
+			/* DR_NEWSET */
+/* body is nbytes/sizeof(BUNDLE_REQ) BUNDLE_REQ bodies */
 			/* DR_ADDSET */
-/* no body */
+/* body is nbytes/sizeof(PACKHEAD) BUNDLE_REQ bodies */
+			/* DR_DELSET */
+/* body is nbytes/sizeof(PACKHEAD) BUNDLE_REQ bodies */
 
 	/* server response message bodies */
 
-			/* DS_STARTIMM */
-/* no body */
 			/* DS_BUNDLE */
-#define BUNDLE_RES	PACKHEAD	/* extendable */
-			/* DS_ENDIMM */
+#define BUNDLE_RES	PACKHEAD	/* followed by nr RAYVAL structs */
+			/* DS_ACKNOW */
 /* no body */
 			/* DS_SHUTDOWN */
 /* no body */
 			/* DS_ADDHOLO */
 #define HOLO_RES	HDGRID
-			/* DS_ACKNOW */
+			/* DS_STARTIMM */
+/* no body */
+			/* DS_ENDIMM */
 /* no body */