update packages后，volatile-highlights使用异常

Spacemacs
1

更新包后，出现⛔ Error (use-package): volatile-highlights/:init: Symbol’s function definition is void: volatile-highlights-mode，在.spacemacs的user-config中加入了(volatile-highlights-mode t)后，还是出现，一直只是使用emacs，没怎么自己调整过配置，故请教一下大家。

2

It caused by the vhl/define-minor-mode was marked as autoload and will be write into the autoloads.el when installing the package from melpa, but it’s actually a non-exits macro in the autoloads.el.

volatile-highlights.el/volatile-highlights.el

Lines 342 to 344 in 9007fca

;;;###autoload (vhl/define-minor-mode volatile-highlights-mode “Minor mode for visual feedback on some operations.” Please consider mark follow line with ###autoload to resolve the issue.

volatile-highlights.el/volatile-highlights.el

Lines 337 to 339 in 9007fca

(eval-and-compile ;; ‘easy-mmode-define-minor-mode’ is obsoleted alias (as of 30.1) (if (<= 30 emacs-major-version) Try install the package from melpa and check the volatile-highlights-autoloads.el to see the details.

Regression: Symbol’s function definition is void: volatile-highlights-mode · Issue #28 · k-talo/volatile-highlights.el

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3

感谢，我按照这个讨论处理一下 :+1:

4 
;;;###autoload
(eval-and-compile
  ;; ‘easy-mmode-define-minor-mode’ is obsoleted alias (as of 30.1)
  (if (<= 30 emacs-major-version)
      (defalias 'vhl/define-minor-mode 'define-minor-mode)
    (defalias 'vhl/define-minor-mode 'easy-mmode-define-minor-mode)))

;;;###autoload
(defun vhl/load-extensions ()
  (dolist (sym vhl/.installed-extensions)
    (vhl/load-extension sym)))

在这两处加了;;;###autoload后，M-x byte-force-recompile; M-x update-directory-autoloads; 重启emacs解决了。

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