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Re: Revamping sit-for

From: Stefan Monnier
Subject: Re: Revamping sit-for
Date: Sat, 08 Jul 2006 08:40:27 -0400
User-agent: Gnus/5.11 (Gnus v5.11) Emacs/22.0.50 (gnu/linux)

>> The doc string says, to me, that an existing call of (sit-for 3 200), which
>> previously simply waited 3.2 sec, with no inhibition of display, will now be
>> interpreted as a wait of 3.0 sec, with inhibition of display. That's a
>> serious change in behavior.

>   if (NILP (nodisp) && !NUMBERP (milliseconds))
>     { /* New style.  */
>       nodisp = milliseconds;
>       milliseconds = Qnil;
>     }

> However, since the old form has been obsolete for a long time, and can
> cause confusion (as demonstrated), it might be good to simply drop it.

Huh?  "Obsolete for a long time"?
We don't know yet when was the first time it's been officially obsoleted
because Emacs-22 will be the first version to obsolete the "old" form.
I.e. the new form (introduced partly for XEmacs compatibility) is new in


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