Variable: mh-thread-scan-line-map
mh-thread-scan-line-map is a buffer-local variable defined in
mh-e.el.gz.
Documentation
Map of message index to various parts of the scan line.
Source Code
;; Defined in /usr/src/emacs/lisp/mh-e/mh-e.el.gz
(defvar-local mh-thread-scan-line-map nil
"Map of message index to various parts of the scan line.")