emacs - Create a minor mode that sets tab space -


i want have minor mode that, when enabled, changes tab space 4 2 (and when disabled returns tab space 4). haven't written mode before i'm not sure how go this.

no need create minor mode. tab-width buffer-local variable:

(defvar my-tab-toggle-values '(2 4))  (defun my-toggle-tab-width ()   (interactive)   (setq tab-width      (if  (= tab-width (first my-tab-toggle-values))         (second my-tab-toggle-values)       (first my-tab-toggle-values))))

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