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

[Boyan Penkov]

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Boyan Penkov
www.boyanpenkov.com

On Oct 21, 2014, at 11:20 AM, Andreas Schwab <schwab@suse.de> wrote:

Boyan Penkov <boyan.penkov@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.

Yeah, predictably, emacs is fine and I’m the idiot: nconc’s have been replaced with add-to-list, documentation read and lesson learned.

Thanks for the pointer!

Andreas.

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Andreas Schwab, SUSE Labs, schwab@suse.de
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