dotfiles/emacs/.emacs.d/site-lisp/whitespace-only-tabs-mode.el

;;; whitespace-only-tabs-mode.el --- Specialized whitespace mode that only shows tabs  -*- lexical-binding: t; -*-

;; Copyright (C) 2018  Tom Willemse

;; Author: Tom Willemse <tom@ryuslash.org>
;; Keywords: convenience

;; This program is free software; you can redistribute it and/or modify
;; it under the terms of the GNU General Public License as published by
;; the Free Software Foundation, either version 3 of the License, or
;; (at your option) any later version.

;; This program is distributed in the hope that it will be useful,
;; but WITHOUT ANY WARRANTY; without even the implied warranty of
;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
;; GNU General Public License for more details.

;; You should have received a copy of the GNU General Public License
;; along with this program.  If not, see <https://www.gnu.org/licenses/>.

;;; Commentary:

;; A customized version of `whitespace-mode' that only shows tabs.

;;; Code:

(require 'whitespace)

;;;###autoload
(defun whitespace-only-tabs-mode ()
  "Enable whitespace mode with only tabs showing."
  (setq-local whitespace-style '(face tabs))
  (whitespace-mode))

(provide 'whitespace-only-tabs-mode)
;;; whitespace-only-tabs-mode.el ends here