From: Makoto Fujiwara <makoto@ki.nu>
To: 6490@debbugs.gnu.org
Cc: Tetsurou Okazaki <okazaki@be.to>,
Stefan Monnier <monnier@IRO.UMontreal.CA>
Subject: bug#6490: 24.0.50; src/lread.c: old style backquote bug?
Date: Mon, 05 Jul 2010 08:58:47 +0900 [thread overview]
Message-ID: <yfmsk3y7qa0.wl%makoto@ki.nu> (raw)
In-Reply-To: <jwvvd8vx7fc.fsf-monnier+emacs@gnu.org>
| To: Tetsurou Okazaki <okazaki@be.to>
| From: Stefan Monnier <monnier@IRO.UMontreal.CA>
| Subject: bug#6490: 24.0.50; src/lread.c: old style backquote bug?
| Date: Sun, 04 Jul 2010 23:50:26 +0200
> To keep more compatibility with released Emacs, it is preferable to
> allow a character such as \r or \n after the old style backquote.
Stefan> I haven't seen any such situation yet, and since old-style backquotes are
Stefan> on the way out (effectively obsolete since something like Emacs-20, and
Stefan> officially obsolete since Emacs-22.1), I'll wait to see actual cases
Stefan> before adding such exceptions,
You may found the typical example in flim-1.14.9/md4.el
90 (defmacro md4-make-step (name func)
91 (`
92 (defun (, name) (a b c d xk s ac)
93 (let*
94 ((h1 (+ (car a) ((, func) (car b) (car c) (car d)) (car xk) (car ac)))
95 (l1 (+ (cdr a) ((, func) (cdr b) (cdr c) (cdr d)) (cdr xk) (cdr ac)))
96 (h2 (logand 65535 (+ h1 (lsh l1 -16))))
97 (l2 (logand 65535 l1))
98 ;; cyclic shift of 32 bits integer
99 (h3 (logand 65535 (if (> s 15)
100 (+ (lsh h2 (- s 32)) (lsh l2 (- s 16)))
101 (+ (lsh h2 s) (lsh l2 (- s 16))))))
102 (l3 (logand 65535 (if (> s 15)
103 (+ (lsh l2 (- s 32)) (lsh h2 (- s 16)))
104 (+ (lsh l2 s) (lsh h2 (- s 16)))))))
105 (cons h3 l3)))))
106
107 (md4-make-step md4-round1 md4-F)
This is NOT compiled by the first patch. The second patch makes it,
Thanks,
---
Makoto Fujiwara,
Chiba, Japan, Narita Airport and Disneyland prefecture.
next prev parent reply other threads:[~2010-07-04 23:58 UTC|newest]
Thread overview: 9+ messages / expand[flat|nested] mbox.gz Atom feed top
2010-06-22 9:16 bug#6490: 24.0.50; src/lread.c: old style backquote bug? Tetsurou Okazaki
2010-06-22 22:23 ` Stefan Monnier
2010-07-01 4:14 ` Makoto Fujiwara
2010-07-01 5:41 ` Tetsurou Okazaki
2010-07-04 21:50 ` Stefan Monnier
2010-07-04 23:58 ` Makoto Fujiwara [this message]
2011-09-21 20:54 ` Lars Magne Ingebrigtsen
2011-09-22 1:43 ` Stefan Monnier
2010-07-05 1:51 ` Makoto Fujiwara
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