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Subject: Re: set-window-redisplay-end-trigger
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From: Steven L Baur <steve@miranova.com>
In-Reply-To: Kyle Jones's message of Sat, 15 Feb 1997 17:45:38 -0500 (EST)
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Date: 15 Feb 1997 19:19:12 -0800
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Kyle Jones writes:

> C-h f redisplay-end-trigger-functions RET
      ^
      v

> yields

>     redisplay-end-trigger-functions's value is nil
>       -- a simple built-in variable.

>     Documentation:
>     See `set-window-redisplay-end-trigger'.

> But set-window-redisplay-end-trigger is a void function.

Hmmm.  What's it supposed to do?

#if 0 /* bogus RMS crock */

xxDEFUN ("window-redisplay-end-trigger", Fwindow_redisplay_end_trigger,
       Swindow_redisplay_end_trigger, 0, 1, 0 /*
Return WINDOW's redisplay end trigger value.
See `set-window-redisplay-end-trigger' for more information.
*/ )
  (window)
     Lisp_Object window;
{
  return decode_window (window)->redisplay_end_trigger;
}

xxDEFUN ("set-window-redisplay-end-trigger", Fset_window_redisplay_end_trigger,
       Sset_window_redisplay_end_trigger, 2, 2, 0 /*
Set WINDOW's redisplay end trigger value to VALUE.
VALUE should be a buffer position (typically a marker) or nil.
If it is a buffer position, then if redisplay in WINDOW reaches a position
beyond VALUE, the functions in `redisplay-end-trigger-functions' are called
with two arguments: WINDOW, and the end trigger value.
Afterwards the end-trigger value is reset to nil.
*/ )
  (window, value)
     register Lisp_Object window, value;
{
  register struct window *w;

  w = decode_window (window);
  w->redisplay_end_trigger = value;
  return value;
}

#endif /* 0 */

-- 
steve@miranova.com baur
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