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Re: Question about memory usage


From: Eli Zaretskii
Subject: Re: Question about memory usage
Date: Sat, 07 Apr 2018 16:26:54 +0300

> Cc: Eli Zaretskii <address@hidden>, address@hidden
> From: Michał Kondraciuk <address@hidden>
> Date: Sat, 7 Apr 2018 15:15:08 +0200
> 
> Can you take a look at the attached patch?
> 
> diff --git a/lisp/simple.el b/lisp/simple.el
> index aad8d3b..23f7c4f 100644
> --- a/lisp/simple.el
> +++ b/lisp/simple.el
> @@ -3014,6 +3014,13 @@ undo-auto--undoably-changed-buffers
>  `undo-auto--boundaries' and can be affected by changes to their
>  default values.")
>  
> +(defun undo-auto--remove-buffer-from-changed-list ()
> +  "Remove current buffer from list of recently changed ones."
> +  (setq undo-auto--undoably-changed-buffers
> +        (delq (current-buffer) undo-auto--undoably-changed-buffers)))
> +
> +(add-hook 'kill-buffer-hook #'undo-auto--remove-buffer-from-changed-list)
> +

Thanks, but I'd be more comfortable with just doing this from
kill-buffer itself.  IMO, hooks are for users and Lisp applications;
using them for internal bookkeeping purposes should be limited to the
cases where there's no better alternative.



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