dabbrev-expand
;; dabbrev (setq abbrev-file-name "~/.abbrev_defs") (setq save-abbrevs t) (quietly-read-abbrev-file) (global-set-key "\C-x'" 'just-one-space) (global-set-key "\M- " 'expand-abbrev) (global-set-key "\M-/" 'dabbrev-expand) (eval-after-load "abbrev" '(global-set-key "\M- " 'expand-abbrev))
M-Spaceに変更.こっちの方がまだ使いやすい.