Default is \"replgroupcomps\".
This file is used to form replies to the sender and all recipients of
-a message. Only used if ‘(mh-variant-p 'nmh)’ is non-nil.
+a message. Only used if (mh-variant-p \\='nmh) is non-nil.
If not an absolute file name, the file is searched for first in the
user's MH directory, then in the system MH lib directory.")