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Showing content from http://lists.gnu.org/archive/html/emacs-devel/2014-01/msg01072.html below:

Re: Modifying a variable from describe-variable

[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index] From: Tom Subject: Re: Modifying a variable from describe-variable Date: Sat, 11 Jan 2014 16:45:11 +0000 (UTC) User-agent: Loom/3.14 (http://gmane.org/) 
João Távora <joaotavora <at> gmail.com> writes:
r all variables.
> 
> This is so good I've already hacked it for me. No idea if I'm doing it
> correctly though...
> 
> Thanks a lot for the idea.

If I understand correctly your solution does not provide the current
value of the variable by default, though this is the point.

E.g. if I have a value like


(("\\.org$" . org-mode)
 ("\\.php$" . html-mumamo-mode)
 ("\\.gpg\\(~\\|\\.~[0-9]+~\\)?\\'" nil epa-file)
 ("\\.dz\\'" nil jka-compr)
 ("\\.xz\\'" nil jka-compr)
 ("\\.lzma\\'" nil jka-compr)
 ("\\.lz\\'" nil jka-compr)
 ("\\.g?z\\'" nil jka-compr)
 ("\\.bz2\\'" nil jka-compr)
 ("\\.Z\\'" nil jka-compr)))


and I want to change a some minor thing it then I don't want to 
type whe whole thing. I'd like to have the current value displayed 
in a buffer, modify it then simply apply it.

Your solution can be useful for primitive types, but handling 
more complex values in the echo area would not be really convenient.

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