Variable: cperl-help-shown
cperl-help-shown is a variable defined in cperl-mode.el.gz.
Documentation
Non-nil means that the help was already shown now.
Source Code
;; Defined in /usr/src/emacs/lisp/progmodes/cperl-mode.el.gz
(defvar cperl-help-shown nil
"Non-nil means that the help was already shown now.")