Variable: rmail-summary-put-back-unseen
rmail-summary-put-back-unseen is a variable defined in rmailsum.el.gz.
Value
nil
Documentation
Used for communicating between calls to rmail-summary-rmail-update.
If it moves to a message within an Incremental Search, and removes
the unseen attribute from that message, it sets this flag
so that if the next motion between messages is in the same Incremental
Search, the unseen attribute is restored.
Source Code
;; Defined in /usr/src/emacs/lisp/mail/rmailsum.el.gz
(defvar rmail-summary-put-back-unseen nil
"Used for communicating between calls to `rmail-summary-rmail-update'.
If it moves to a message within an Incremental Search, and removes
the `unseen' attribute from that message, it sets this flag
so that if the next motion between messages is in the same Incremental
Search, the `unseen' attribute is restored.")