fixup! Add :before-hook keyword to define-derived-mode
Run :before-hook right away, rather than using change-major-mode-hook. This changes the :before-hook sequence to child-before-parent rather than parent-before-child.
Run :before-hook right away, rather than using change-major-mode-hook. This changes the :before-hook sequence to child-before-parent rather than parent-before-child.