Variable: imenu-auto-rescan-maxout
imenu-auto-rescan-maxout is a customizable variable defined in
imenu.el.gz.
Value
600000
Documentation
Imenu auto-rescan is disabled in buffers larger than this size (in bytes).
Also see imenu-max-index-time.
This variable was added, or its default value changed, in Emacs 26.2.
Probably introduced at or before Emacs version 26.2.
Source Code
;; Defined in /usr/src/emacs/lisp/imenu.el.gz
(defcustom imenu-auto-rescan-maxout 600000
"Imenu auto-rescan is disabled in buffers larger than this size (in bytes).
Also see `imenu-max-index-time'."
:type 'integer
:version "26.2")