Friday, February 5, 2021

emacsのbackstop

emacsでプログラミングをしながら、バックストップ(Shift-Tabでインデントを1つ戻す)使えなくて不便だな〜と思っていたのでググったところ、ここがヒット。


(global-set-key (kbd "<backtab>") 'un-indent-by-removing-4-spaces)
(defun un-indent-by-removing-4-spaces ()
  "remove 4 spaces from beginning of of line"
  (interactive)
  (save-excursion
    (save-match-data
      (beginning-of-line)
      ;; get rid of tabs at beginning of line
      (when (looking-at "^\\s-+")
        (untabify (match-beginning 0) (match-end 0)))
      (when (looking-at "^    ")
        (replace-match "")))))
  

ばっちり。
参考:https://stackoverflow.com/questions/23692879/emacs24-backtab-is-undefined-how-to-define-this-shortcut-key

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