Variable: mh-index-folder
mh-index-folder is a variable defined in mh-search.el.gz.
Value
"+mhe-index"
Documentation
Folder that contains the folders resulting from the index searches.
Source Code
;; Defined in /usr/src/emacs/lisp/mh-e/mh-search.el.gz
(defvar mh-index-folder "+mhe-index"
"Folder that contains the folders resulting from the index searches.")