Variable: help-display-function-type

help-display-function-type is a customizable variable defined in help-fns.el.gz.

Value

t

Documentation

Whether to display type specifiers of functions in "*Help*" buffers.

The type specifier of a function is returned by comp-function-type-spec, which see. When this variable is non-nil, C-h f (describe-function) will display the function's type specifier when available.

This variable was added, or its default value changed, in Emacs 30.1.

Probably introduced at or before Emacs version 30.1.

Source Code

;; Defined in /usr/src/emacs/lisp/help-fns.el.gz
(defcustom help-display-function-type t
  "Whether to display type specifiers of functions in \"*Help*\" buffers.

The type specifier of a function is returned by `comp-function-type-spec',
which see.  When this variable is non-nil, \\[describe-function] will \
display the function's
type specifier when available."
  :type 'boolean
  :group 'help
  :version "30.1")