GNU bug report logs - #18786
(error "Attempt to modify read-only object" (("\\.txz\\'" . tar-mode))) on adding mode

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Package: emacs;

Reported by: Boyan Penkov <boyan.penkov <at> gmail.com>

Date: Tue, 21 Oct 2014 13:42:02 UTC

Severity: normal

Done: Stefan Monnier <monnier <at> iro.umontreal.ca>

Bug is archived. No further changes may be made.

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From: Andreas Schwab <schwab <at> suse.de>
To: Boyan Penkov <boyan.penkov <at> gmail.com>
Cc: 18786 <at> debbugs.gnu.org
Subject: bug#18786: (error "Attempt to modify read-only object" (("\\.txz\\'" . tar-mode))) on adding mode
Date: Tue, 21 Oct 2014 17:20:03 +0200

Boyan Penkov <boyan.penkov <at> gmail.com> writes:

> I have a bunch of stuff like: 
>
>     (nconc auto-mode-alist '(("\\.ctl" . scheme-mode))))
>
> in my .emacs.  

Don't use destructive functions unless you know what you are doing.

Andreas.

-- 
Andreas Schwab, SUSE Labs, schwab <at> suse.de
GPG Key fingerprint = 0196 BAD8 1CE9 1970 F4BE  1748 E4D4 88E3 0EEA B9D7
"And now for something completely different."
This bug report was last modified 10 years and 269 days ago.

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