Variable: abbrev-mode-hook
abbrev-mode-hook is a customizable variable defined in abbrev.el.gz.
Value
nil
Documentation
Hook run after entering or leaving abbrev-mode(var)/abbrev-mode(fun).
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/abbrev.el.gz
(define-minor-mode abbrev-mode
"Toggle Abbrev mode in the current buffer.
In Abbrev mode, inserting an abbreviation causes it to expand and
be replaced by its expansion."
;; It's defined in C, this stops the 'define-minor-mode' macro from
;; defining it again.
:variable abbrev-mode)