This is my emacs setup for AUCTEX with ConTeXt. ;; Install straight.el (defvar bootstrap-version) (let ((bootstrap-file (expand-file-name "straight/repos/straight.el/bootstrap.el" user-emacs-directory)) (bootstrap-version 5)) (unless (file-exists-p bootstrap-file) (with-current-buffer (url-retrieve-synchronously "https://raw.githubusercontent.com/raxod502/straight.el/develop/install.el" 'silent 'inhibit-cookies) (goto-char (point-max)) (eval-print-last-sexp))) (load bootstrap-file nil 'nomessage)) ;; Install use-package (straight-use-package 'use-package) ;; Configure use-package to use straight.el by default (use-package straight :custom (straight-use-package-by-default t)) (use-package yasnippet) ;;; Auctex (defun my-context-setup () (custom-set-variables '(ConTeXt-Mark-version "LMTX") '(ConTeXt-engine "lutametatex"))) (straight-use-package 'auctex) (add-hook 'ConTeXt-mode-hook (lambda () (reftex-mode 1) (flyspell-mode 1) (auto-fill-mode 1) ;(relative-line-numbers-mode 1) ;(abbrev-mode 1) (my-context-setup) (yas-minor-mode) (yas-reload-all))) I hope this help you Mauricio