Variable: rmail-show-message-verbose-min
rmail-show-message-verbose-min is a customizable variable defined in
rmail.el.gz.
Value
200000
Documentation
Message size at which to show progress messages for displaying it.
Messages longer than this (in characters) will produce echo-area messages when Rmail processes such a message for display.
This variable was added, or its default value changed, in Emacs 23.1.
Source Code
;; Defined in /usr/src/emacs/lisp/mail/rmail.el.gz
(defcustom rmail-show-message-verbose-min 200000
"Message size at which to show progress messages for displaying it.
Messages longer than this (in characters) will produce echo-area
messages when Rmail processes such a message for display."
:type 'integer
:group 'rmail
:version "23.1")