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From: "Siegfried Heintze" <siegfried@heintze.com>
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Subject: Re: How to: 96 bit Date-time arithmetic?
Date: Sat, 31 Aug 2002 12:21:28 -0600
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While I am still curious about 96 bit arithmetic, here an alternative
attempt. Why does not it work?

(setq x (decode-time (current-time)))
(setq y (list (car x) (cadr x)  (caddr x) (1- (cadddr x))
       (nth 5 x) (nth 6 x) (nth 7 x)(nth 8 x) ))
(apply 'encode-time x) ; no error

(apply 'encode-time y) ; error -- why?