Variable: thumbs-mode-hook
thumbs-mode-hook is a variable defined in thumbs.el.gz.
Value
nil
Documentation
Hook run after entering thumbs mode.
No problems result if this variable is not bound.
add-hook automatically binds it. (This is true for all hook variables.)
Source Code
;; Defined in /usr/src/emacs/lisp/obsolete/thumbs.el.gz
(define-derived-mode thumbs-mode
fundamental-mode "thumbs"
"Preview images in a thumbnails buffer."
(setq buffer-read-only t))