Variable: mh-scan-valid-regexp
mh-scan-valid-regexp is a variable defined in mh-scan.el.gz.
Value
"^ *[0-9]"
Documentation
This regular expression describes a valid scan line.
This is used to eliminate error messages that are occasionally produced by "inc".
Source Code
;; Defined in /usr/src/emacs/lisp/mh-e/mh-scan.el.gz
(defvar mh-scan-valid-regexp "^ *[0-9]"
"This regular expression describes a valid scan line.
This is used to eliminate error messages that are occasionally
produced by \"inc\".")