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Re: [elpa] externals/org ec6d1df 2/2: lisp/ox.el (org-export-to-file): D

From: Stefan Monnier
Subject: Re: [elpa] externals/org ec6d1df 2/2: lisp/ox.el (org-export-to-file): Don't load the major mode
Date: Mon, 03 May 2021 14:33:16 -0400
User-agent: Gnus/5.13 (Gnus v5.13) Emacs/28.0.50 (gnu/linux)

>     Prior to this, when `org-export-to-file' was called it activated the
>     major mode for that file type based on `auto-mode-alist'.  This can be
>     mildly annoying in various ways as loading the major mode (1) makes
>     the export take longer, (2) can produce unwanted "noise" while
>     initialising, namely warnings and errors related to the mode itself,
>     (3) can produce spurious files like an .auctex-auto folder.  By
>     locally binding `auto-mode-alist' to nil, all of these undesirable
>     behaviours can be avoided.

Hmm... modes don't set themselves unless we ask for it (e.g. by using
`file-find-noselect` instead of `insert-file-contents`), so maybe
a better option is to change the code that causes the major modes to be
set so that it doesn't happen?

Binding `auto-mode-alist` to nil is not the end of the world, but it's
a kind of ugly hack and inevitably comes with undesirable side-effects
(e.g. any ELisp package that happens to be loaded during this time and
whose initialization code adds/removes entries from `auto-mode-alist`
will be affected).


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