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From: Richard Stallman <rms@gnu.org>
To: storm@cua.dk (Kim F. Storm)
Cc: rudalics@gmx.at, herberteuler@hotmail.com,
	monnier@iro.umontreal.ca, emacs-devel@gnu.org
Subject: Re: find-file-noselect needs save-match-data
Date: Sat, 09 Jun 2007 05:45:29 -0400	[thread overview]
Message-ID: <E1HwxVh-0005hc-IP@fencepost.gnu.org> (raw)
In-Reply-To: <87ejkmpwjj.fsf@kfs-lx.testafd.dk> (storm@cua.dk)

    > This would violate referential transparency.  Consider
    >
    > (defvar foobar "foobar")
    >
    > (defun foo ()
    >   (string-match "foo" foobar)
    >   (match-string 0 foobar))
    >
    > (defun bar ()
    >   (string-match "bar" foobar)
    >   (preserve-match-data
    >    (foo)))

If referential transparency is something which dynamic variables
"violate", then it isn't relevant to Emacs.

  reply	other threads:[~2007-06-09  9:45 UTC|newest]

Thread overview: 117+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2007-06-04 15:17 find-file-noselect needs save-match-data Herbert Euler
2007-06-04 16:05 ` martin rudalics
2007-06-05  3:10   ` Herbert Euler
2007-06-05  5:52     ` martin rudalics
2007-06-05 22:32       ` Richard Stallman
2007-06-06  1:13   ` Stefan Monnier
2007-06-06  1:44     ` Herbert Euler
2007-06-06  6:58       ` martin rudalics
2007-06-06  7:25         ` David Kastrup
2007-06-06 22:09         ` Richard Stallman
2007-06-06 12:14       ` Stefan Monnier
2007-06-06 22:09         ` Richard Stallman
2007-06-06  6:57     ` martin rudalics
2007-06-06 12:17       ` Stefan Monnier
2007-06-06 12:33         ` Lennart Borgman (gmail)
2007-06-06 12:49         ` martin rudalics
2007-06-06 22:10         ` Richard Stallman
2007-06-06 22:29           ` Stefan Monnier
2007-06-08  7:11             ` Richard Stallman
2007-06-08  8:31               ` Kim F. Storm
2007-06-08  9:42                 ` martin rudalics
2007-06-08 10:31                   ` Kim F. Storm
2007-06-09  9:45                     ` Richard Stallman [this message]
2007-06-10  0:05                   ` Herbert Euler
2007-06-10  0:11                     ` Herbert Euler
2007-06-09  9:46                 ` Richard Stallman
2007-06-09 21:32                   ` Juri Linkov
2007-06-09 21:59                     ` David House
2007-06-09 22:43                       ` Juri Linkov
2007-06-09 22:53                       ` Jason Rumney
2007-06-09 23:59                       ` Miles Bader
2007-06-10  0:02                         ` Drew Adams
2007-06-10 13:19                     ` Richard Stallman
2007-06-12  3:05                       ` Bob Rogers
2007-06-12  4:06                         ` Miles Bader
2007-06-12 16:45                           ` Juri Linkov
2007-06-12 17:46                             ` Andreas Schwab
2007-06-12 21:55                               ` David Kastrup
2007-06-12 22:10                                 ` Miles Bader
2007-06-12 22:37                                   ` David Kastrup
2007-06-13 16:22                                     ` Richard Stallman
2007-06-13 17:31                                       ` Stefan Monnier
2007-06-13 18:33                                         ` David Kastrup
2007-06-13 19:55                                           ` Stefan Monnier
2007-06-14  6:37                                             ` Herbert Euler
2007-06-15  8:48                                               ` Richard Stallman
2007-06-15 14:22                                                 ` Stefan Monnier
2007-06-15 16:03                                                 ` Herbert Euler
2007-06-14  6:57                                             ` martin rudalics
2007-06-14 14:36                                               ` Stefan Monnier
2007-06-14 16:05                                                 ` Herbert Euler
2007-06-14 16:22                                                   ` Stefan Monnier
2007-06-15  1:59                                                     ` Herbert Euler
2007-06-15  8:49                                                     ` Richard Stallman
2007-06-15  8:49                                                   ` Richard Stallman
2007-06-14  6:57                                         ` martin rudalics
2007-06-15  8:48                                           ` Richard Stallman
2007-06-15 14:23                                             ` Stefan Monnier
2007-06-15 22:45                                               ` Richard Stallman
2007-06-17 19:54                                           ` Juri Linkov
2007-06-17 20:27                                             ` Lennart Borgman (gmail)
2007-06-14 16:19                                         ` Richard Stallman
2007-06-14 17:18                                           ` David Kastrup
2007-06-15 19:21                                             ` Richard Stallman
2007-06-15 19:52                                               ` Stefan Monnier
2007-06-13 23:39                                       ` Miles Bader
2007-06-14  0:52                                         ` Stefan Monnier
2007-06-14  6:58                                           ` martin rudalics
2007-06-14 16:20                                         ` Richard Stallman
2007-06-14 18:50                                           ` Stefan Monnier
2007-06-15  6:31                                             ` martin rudalics
2007-06-15 14:20                                               ` Stefan Monnier
2007-06-15 15:55                                                 ` Herbert Euler
2007-06-15 19:22                                               ` Richard Stallman
2007-06-16 10:01                                                 ` martin rudalics
2007-06-16 22:35                                                   ` Richard Stallman
2007-06-15 19:21                                             ` Richard Stallman
2007-06-15 19:55                                               ` Stefan Monnier
2007-06-15 20:03                                                 ` David Kastrup
2007-06-16 18:51                                                   ` Richard Stallman
2007-06-16 19:10                                                     ` David Kastrup
2007-06-17 21:49                                                       ` Richard Stallman
2007-06-18  5:16                                                         ` David Kastrup
2007-06-18 21:30                                                           ` Richard Stallman
2007-06-18 21:42                                                             ` David Kastrup
2007-06-19 22:26                                                               ` Richard Stallman
2007-06-19 22:42                                                                 ` David Kastrup
2007-06-25 13:19                                                                   ` Richard Stallman
2007-06-16  3:50                                                 ` Herbert Euler
2007-06-17 12:28                                                   ` Stefan Monnier
2007-06-16 18:51                                                 ` Richard Stallman
2007-06-16 21:39                                                   ` Miles Bader
2007-06-17  8:55                                                     ` Richard Stallman
2007-06-17  3:19                                                   ` Herbert Euler
2007-06-17  3:26                                                     ` Herbert Euler
2007-06-17 21:49                                                     ` Richard Stallman
2007-06-17 12:50                                                   ` Stefan Monnier
2007-06-18  7:25                                                     ` Richard Stallman
2007-06-20  8:07                                                       ` Herbert Euler
2007-06-20 14:12                                                         ` Juri Linkov
2007-06-20 14:44                                                           ` Herbert Euler
2007-06-21  1:07                                                           ` Richard Stallman
2007-06-21  1:29                                                             ` Herbert Euler
2007-06-21  6:31                                                               ` David Kastrup
2007-06-28 14:06                                                                 ` Herbert Euler
2007-06-29 15:07                                                                   ` Herbert Euler
2007-07-06 17:05                                                                 ` byte-compiling an elisp-file fails in Emacs 22.1 (reproducable) klaus.berndl
2007-07-06 22:20                                                                   ` Jason Rumney
2007-07-07 13:06                                                                   ` Richard Stallman
2007-07-08  6:30                                                                     ` AW: " klaus.berndl
2007-06-22  1:51                                                               ` find-file-noselect needs save-match-data Richard Stallman
2007-06-20 17:36                                                         ` Richard Stallman
2007-06-13 16:21                                 ` Richard Stallman
2007-06-05  5:18 ` Richard Stallman
2007-06-06  1:10 ` Stefan Monnier
2007-06-14 16:19 ` Stefan Monnier
  -- strict thread matches above, loose matches on Subject: below --
2007-06-06  0:25 Herbert Euler

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