The name of the program that incorporates new mail is stored in
mh-inc-prog; it is `"inc"' by default. This program
generates a one-line summary for each of the new messages. Unless it is
an absolute pathname, the file is assumed to be in the mh-progs
directory. You may also link a file to inc that uses a different
format (see mh-profile(5)). You'll then need to modify several
variables appropriately; see mh-scan-prog below. You can set the
hook mh-inc-folder-hook, which is called after new mail is
incorporated by the i (mh-inc-folder) command. A good use
of this hook is to rescan the whole folder either after running M-x
mh-rmail the first time or when you've changed the message numbers from
outside of mh-e.
Rescan folder after incorporating new mail via mh-inc-folder-hook
(defun my-mh-inc-folder-hook ()
"Hook to rescan folder after incorporating mail."
(if (buffer-modified-p) ; if outstanding refiles and deletes,
(mh-execute-commands)) ; carry them out
(mh-rescan-folder) ; synchronize with +inbox
(mh-show)) ; show the current message
(add-hook 'mh-inc-folder-hook 'my-mh-inc-folder-hook)
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