I would like to use evil-complete-previous (or whatever) to complete strings_such_as_this, which is by default not possible. It is possible after (modify-syntax-entry ?_ "w"), but this has the undesired side-effect of rendering it impossible to jump from the beginning of the string to the third s with (evil-forward-word-begin) (w). Can I get the effect without the side-effect?

  • What about M-x dabbrev-expand RET ? Jan 21 '20 at 7:02
  • @AndreasRöhler, it doesn't appear to behave differently.
    – Toothrot
    Jan 21 '20 at 12:44

I don't know if this is the best solution, but it works.

(defun evil*-complete-previous () (interactive)
     (let ((old (string (char-syntax ?_))))
       (modify-syntax-entry ?_ "w")
       (modify-syntax-entry ?_ old)))

(define-key evil-insert-state-map (kbd "M-p") 'evil*-complete-previous)

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