Variable: which-func-non-auto-modes

which-func-non-auto-modes is a customizable variable defined in which-func.el.gz.

Value

nil

Documentation

List of major modes where Which Function mode is inactive till Imenu is used.

This means that Which Function mode won't really do anything until you use Imenu, in these modes. Note that files larger than which-func-maxout behave in this way too; Which Function mode doesn't do anything until you use Imenu.

Source Code

;; Defined in /usr/src/emacs/lisp/progmodes/which-func.el.gz
(defcustom which-func-non-auto-modes nil
  "List of major modes where Which Function mode is inactive till Imenu is used.
This means that Which Function mode won't really do anything
until you use Imenu, in these modes.  Note that files
larger than `which-func-maxout' behave in this way too;
Which Function mode doesn't do anything until you use Imenu."
  :type '(repeat (symbol :tag "Major mode")))