Variable: rmail-highlighted-headers

rmail-highlighted-headers is a customizable variable defined in rmail.el.gz.

Value

"^From:\\|^Subject:"

Documentation

Regexp to match Header fields that Rmail should normally highlight.

A value of nil means don't highlight. Uses the face rmail-highlight.

View in manual

Probably introduced at or before Emacs version 19.23.

Source Code

;; Defined in /usr/src/emacs/lisp/mail/rmail.el.gz
;;;###autoload
(defcustom rmail-highlighted-headers "^From:\\|^Subject:"
  "Regexp to match Header fields that Rmail should normally highlight.
A value of nil means don't highlight.  Uses the face `rmail-highlight'."
  :type '(choice regexp (const :tag "None" nil))
  :group 'rmail-headers)