.RE
.PP
.BR Sequence\-Negation :
-not
+\&!
.RS 5
Defines the string which, when prefixed to a sequence name, negates
-that sequence. Hence, \*(lqnotseen\*(rq means all those messages that
-are not a member of the sequence \*(lqseen\*(rq. Read the
+that sequence. Hence, \*(lq!foo\*(rq means all those messages that
+are not a member of the sequence \*(lqfoo\*(rq.
+To deactivate this mechanism, define Sequence\-Negation to an empty value.
+Read the
.BR mh\-sequence (7)
-man page for the details. (profile, no default)
+man page for the details. (profile, default: !)
.RE
.PP
.BR Unseen\-Sequence :
-unseen
+u
.RS 5
-Names the sequence or sequences which should be defined as those
-messages which are unread. The commands
+Names the sequence or sequences which shall contain any unread messages.
+The commands
.BR inc ,
.BR rcvstore ,
.BR mhshow ,
and
.B show
will add or remove messages from these
-sequences when they are incorporated or read. If not present or
-empty, no such sequences are defined. Otherwise, each message is
+sequences when they are incorporated or read. If defined with an empty
+value, no such sequences are defined. Otherwise, each message is
added to, or removed from, each sequence name given. Read the
.BR mh\-sequence (7)
man page for the details about this sequence.
-(profile, no default)
+(profile, default: u)
.RE
.PP
.BR Mh\-Sequences :
is invoked with no arguments.
.RE
.PP
-.BR installproc :
-mmh
-.RS 5
-This program is called to initialize the environment for
-new users of
-.BR mmh .
-.RE
-.PP
.BR lproc :
more
.RS 5
to display message bodies (or message parts) of type text/plain.
.RE
.PP
-.BR packproc :
-%bindir%/packf
-.RS 5
-Currently not used.
-.RE
-.PP
.BR postproc :
%libdir%/post
.RS 5
to delete a message from a folder.
.RE
.PP
-.BR rmfproc :
-%bindir%/rmf
-.RS 5
-Currently not used.
-.RE
-.PP
.BR sendproc :
%bindir%/send
.RS 5