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I am using emacs 29.2 (installed via brew) and auctex (14.04) on a Mac (12.7.4). My .emacs file shows: '(enable-local-variables :t)

I have the following at the end of a TeX file:

%%% Local Variables: 
%%% coding: utf-8
%%% mode: latex
%%% TeX-engine: luatex
%%% TeX-command-extra-options: "-shell-escape"
%%% TeX-master: t
%%% End:

but nothing changes -- the file is compiled with the default engine, XeLaTeX. Also tried the first-line form:

%% -*- coding: utf-8;mode: latex;TeX-engine: luatex;TeX-command-extra-options: "-shell-escape";TeX-master: t; -*-

to no effect.

I initiate a TeX run with C-c C-a. This worked with non-brew emacs in the past, but I've clearly missed something.

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  • Local variables are only read when you open the file: kill the buffer and open it again - or run M-x normal-mode.
    – NickD
    Commented Mar 20 at 16:26
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    @sgmoye - Do you really have '(enable-local-variables :t) in your init file, i.e., a colon before t as :t or is it a typo?
    – Arash Esbati
    Commented Mar 20 at 20:16
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    Besides, I think is something is cheesy because AUCTeX starts xelatex which is not the default compiler. Can you please try to start Emacs as emacs -Q, then in *scratch* buffer, eval the following (progn (setq debug-on-error t) (package-initialize t) (package-activate 'auctex)) (i.e., set the cursor after the last ) and hit C-x C-e) and then open your .tex file and try it again? Also do M-x list-load-path-shadows RET to check you don't have any other AUCTeX installation/files sitting on your HD.
    – Arash Esbati
    Commented Mar 20 at 20:21
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    What was the offending line?
    – NickD
    Commented Mar 21 at 11:01
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    @sgmoye - Please try the recipe I provided with emacs -Q upthread and see if your .tex file works as expected.
    – Arash Esbati
    Commented Mar 22 at 12:29

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