Variable: whitespace-global-mode-buffers
whitespace-global-mode-buffers is a customizable variable defined in
whitespace.el.gz.
Value
("\\`\\*scratch\\*\\'")
Documentation
Buffer name regexps where global whitespace-mode(var)/whitespace-mode(fun) can be auto-enabled.
The value is a list of regexps. Set this custom option when you need
whitespace-mode(var)/whitespace-mode(fun) in special buffers like "*Org Src*".
This variable was added, or its default value changed, in Emacs 31.1.
Probably introduced at or before Emacs version 31.1.
Source Code
;; Defined in /usr/src/emacs/lisp/whitespace.el.gz
(defcustom whitespace-global-mode-buffers (list (rx bos "*scratch*" eos))
"Buffer name regexps where global `whitespace-mode' can be auto-enabled.
The value is a list of regexps. Set this custom option when you need
`whitespace-mode' in special buffers like \"*Org Src*\"."
:type '(repeat (regexp :tag "Regexp matching buffer name"))
:version "31.1")