bug#8853: 24.0.50; regression: doc string of `special-display-popup-frame'

[martin rudalics <rudalics@gmx.at>]

> This regression was introduced in release 23.1.  Prior to that release,
> the doc string said, correctly,
> "If ARGS is a list whose car is a symbol, use (car ARGS) as a function
> to do the work.  Pass it BUFFER as first arg, and (cdr ARGS) as the
> rest of its args."
>  
> Now it says, incorrectly,
> "If ARGS is a list whose car is a symbol, use (car ARGS) as a
> function to do the work.  Pass it BUFFER as first argument,
> and (cdr ARGS) as second."
>  
> If ARGS is a list whose car is a symbol `f', then
> `special-display-popup-frame' invokes `f', passing it as arguments,
> BUFFER followed by all of the elements in (cdr ARGS).  The arity of `f'
> is the length of ARGS, not just 2.  We do not pass `f' (cdr ARGS) as a
> second argument.

Indeed.  Could someone please restore the old doc-string in Emacs 23?

martin