GNU bug report logs - #24415
24.4; issue with big file variable

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From: help-debbugs <at> gnu.org (GNU bug Tracking System)
To: Stefan Kangas <stefan <at> marxist.se>
Cc: tracker <at> debbugs.gnu.org
Subject: bug#24415: closed (24.4; issue with big file variable)
Date: Mon, 16 Sep 2019 03:22:02 +0000

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Your message dated Mon, 16 Sep 2019 05:21:06 +0200
with message-id <CADwFkmnFPFEk0ScQP8wDDsxhHqxzkVy6kD6pq=QKa4i2wpEBwA <at> mail.gmail.com>
and subject line Re: bug#24415: 24.4; issue with big file variable
has caused the debbugs.gnu.org bug report #24415,
regarding 24.4; issue with big file variable
to be marked as done.

(If you believe you have received this mail in error, please contact
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24415: http://debbugs.gnu.org/cgi/bugreport.cgi?bug=24415
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From: Andrea Rossetti <andrea.rossetti <at> gmail.com>
To: bug-gnu-emacs <at> gnu.org
Subject: 24.4; issue with big file variable
Date: Sun, 11 Sep 2016 23:52:56 +0200

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Hi guys,

  if a file variable is a list longer than a certain size, then it's
ignored on file loading. Test case follows:

- start "emacs -Q"
- M-: (add-file-local-variable 'v1 (make-list 2000 1)) RET
- C-x C-w example01.el RET
- close Emacs and restart "emacs -Q"
- C-x C-f example01.el RET
- bad behaviour: at this point a confirm message to load the file
  variable should have appeared ("... safe variables blah blah... do you
  want to apply it? y/n/!")  but it does not, and the variable is not
  initialized

Further observations:

  - if you replay this same test with a shorter v1, for example lowering
    "2000" to "1000", then the behaviour will be fine: the confirm
    message will appear and inspection of the variable will show correct
    value.

  - it doesn't seem to depend on the max length of a single text line:
    you get the error even when you re-run a similar test that saves two
    file-local variables v1 and v2, each being "(make-list 1000 1)".

  Does the test reproduce in the same way on your workstation? Do you
think it's a bug, or am I just hitting some well-known hard limit?

  Thanks for any hint or clarification, kindest regards.

Andrea

In GNU Emacs 24.4.1 (x86_64-w64-mingw32)
of 2014-10-21 on KAEL
Windowing system distributor `Microsoft Corp.', version 6.1.7600
Configured using:
`configure --prefix=/z/emacs --host=x86_64-w64-mingw32
--target=x86_64-w64-mingw32 --build=x86_64-w64-mingw32 --with-wide-int
--with-jpeg --with-xpm --with-png --with-tiff --with-rsvg --with-xml2
--with-gnutls --with-xft --with-sound=yes --with-file-notification=yes
--without-dbus --without-imagemagick 'CFLAGS=-Ofast
-fomit-frame-pointer -funroll-loops -g0 -pipe' 'CPPFLAGS=-DNDEBUG
-DDBUS_STATIC_BUILD' 'LDFLAGS=-static-libgcc -static-libstdc++ -static
-s -Wl,-s''

Important settings:
  value of $LANG: ITA
  locale-coding-system: cp1252

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From: Stefan Kangas <stefan <at> marxist.se>
To: Eli Zaretskii <eliz <at> gnu.org>
Cc: 24415-done <at> debbugs.gnu.org
Subject: Re: bug#24415: 24.4; issue with big file variable
Date: Mon, 16 Sep 2019 05:21:06 +0200

Eli Zaretskii <eliz <at> gnu.org> writes:

> tag 24415 + notabug
> thanks

This was tagged notabug in 2016, but never closed.  Closing now.

Best regards,
Stefan Kangas

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