Variable: help-downcase-arguments
help-downcase-arguments is a customizable variable defined in
help-fns.el.gz.
Value
nil
Documentation
If non-nil, argument names in *Help* buffers are downcased.
This variable was added, or its default value changed, in Emacs 23.2.
Probably introduced at or before Emacs version 23.2.
Source Code
;; Defined in /usr/src/emacs/lisp/help-fns.el.gz
(defcustom help-downcase-arguments nil
"If non-nil, argument names in *Help* buffers are downcased."
:type 'boolean
:group 'help
:version "23.2")