--- rxvt-unicode/src/command.C	2006/01/24 17:28:06	1.281
+++ rxvt-unicode/src/command.C	2006/01/24 19:40:12	1.283
@@ -301,9 +301,6 @@
   int ctrl, meta, shft, len;
   unsigned int newlen;
   KeySym keysym;
-#ifdef DEBUG_CMD
-  static int debug_key = 1;	/* accessible by a debugger only */
-#endif
   int valid_keysym;
   char kbuf[KBUFSZ];
 
@@ -904,16 +901,6 @@
       tt_write (&ch, 1);
     }
 
-#if defined(DEBUG_CMD)
-  /* Display keyboard buffer contents */
-  unsigned char *p;
-  int i;
-
-  fprintf (stderr, "key 0x%04X [%d]: `", (unsigned int)keysym, len);
-  for (i = 0, p = kbuf; i < len; i++, p++)
-    fprintf (stderr, (*p >= ' ' && *p < '\177' ? "%c" : "\\%03o"), *p);
-  fprintf (stderr, "'\n");
-#endif				/* DEBUG_CMD */
   tt_write (kbuf, (unsigned int)len);
 }
 /*}}} */
@@ -3294,13 +3281,6 @@
     if (arg[p] == -1)
       arg[p] = ndef;
 
-#ifdef DEBUG_CMD
-  fprintf (stderr, "CSI ");
-  for (p = 0; p < nargs; p++)
-    fprintf (stderr, "%d%s", arg[p], p < nargs - 1 ? ";" : "");
-  fprintf (stderr, "%c\n", ch);
-#endif
-
   /*
    * private mode handling
    */
@@ -3310,7 +3290,16 @@
         {
           case '>':
             if (ch == CSI_DA)	/* secondary device attributes */
-              tt_printf ("\033[>%d;%c%c;0c", 'U', VERSION[0], VERSION[2]);
+              {
+                // first parameter is normally 0 for vt100, 1 for some newer vtxxx, 'R' for rxvt,
+                // 'U' for rxvt-unicode <= 7.2, and Mm85 (e.g. 7385 for 7.3) for later versions.
+                //
+                // second parameter is xterm patch level for xterm, MMmmpp (e.g. 20703) for rxvt
+                // and Mm (e.g. 72 for 7.2) for urxvt <= 7.2, and 94 for later versions, to signify
+                // that we do not support xterm mouse reporting (should be 95 when we do).
+                //
+                tt_printf ("\033[>%c%c85;94;0c", VERSION[0], VERSION[1]);
+              }
             break;
           case '?':
             if (ch == 'h' || ch == 'l' || ch == 'r' || ch == 's' || ch == 't')