.RB [ \-whatnowproc
.IR program ]
.RB [ \-nowhatnowproc ]
+.RB [ \-atfile ]
+.RB [ \-noatfile ]
.RB [ \-build ]
.RB [ \-file
.IR msgfile ]
and the pathname of
the folder containing the message is stored in the environment variable
.BR $mhfolder .
+The creation of the \*(lq@\*(rq file and associated environment variables
+can be controlled via the
+.B \-atfile
+and
+.B \-noatfile
+options.
.PP
Although
.B repl
.RB ` \-inplace '
.RB ` \-nomime '
.RB ` \-noquery '
+.RB ` \-atfile '
.RB ` "\-width\ 72" '
.fi