Re: Changing side margins in specific mode changes side margins for all buffers

[Emanuel Berg]

Stefan Monnier <monnier@iro.umontreal.ca> writes:

>    (add-hook 'window-configuration-change-hook
>              (lambda ()
>                (set-window-margins (car (get-buffer-window-list
>                                          (current-buffer) nil t))
>                                    29 29))
>              'make-it-local)
>
> where you see that you pass `make-it-local' as third
> argument. And if you check `C-h f add-hook RET'
> you'll see that the third arg is called APPEND, and
> it's the *fourth* arg which is called LOCAL. So you
> just need to add a nil as third argument.

Aha, the HOOK is local, not the window-margins!
Then what I said is incorrect. It won't do what I said
(which is good).

>> Works like a charm. Thank you very much! I found
>> this code somewhere on stackoverflow.com.
>
> Could you try and find it again, so we can fix
> it there?

Wow, you are dedicated! Cred. Maybe we should all post
our Elisp on stackoverflow just to have you correct it
:)

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