hourglass atimer suppression on ttys

[Thien-Thi Nguyen]

any objections to the following?  is not the glass tty
enough of an hour-defining silicon-based measure of time?
why interrupt w/ this when one could interrupt w/ that?

thi


*** xfns.c      18 Mar 2005 21:20:29 -0000      1.637
--- xfns.c      4 May 2005 21:14:15 -0000
***************
*** 4384,4389 ****
--- 4384,4393 ----
    EMACS_TIME delay;
    int secs, usecs = 0;
  
+   /* Don't bother for ttys.  */
+   if (NILP (Vwindow_system))
+     return;
+ 
    cancel_hourglass ();
  
    if (INTEGERP (Vhourglass_delay)