user that can read that folder. They are kept in each folder
in the file determined by the \*(lqmh\-sequences\*(rq profile entry
(default is
-.IR \&.mh\(rusequences ).
+.IR \&.mh_sequences ).
Private sequences are accessible
only to the
.B nmh
.B \-public
and
.BR \-private .
-But if the folder is read\-only, or if
+But if the folder is read-only, or if
the \*(lqmh\-sequences\*(rq profile entry is defined but empty, then
\fIprivate\fR sequences will be created instead.
.SS "Sequence Negation"
.B all
.B nmh
programs have to write the sequence information to the
-.I \&.mh\(rusequences
+.I \&.mh_sequences
file for the folder each time they run. If the
\*(lqPrevious\-Sequence\*(rq profile entry is not included, only
.B pick
and
.B mark
will write to the
-.B \&.mh\(rusequences
+.B \&.mh_sequences
file.
.SS "The Unseen Sequence"
Finally, many users like to indicate which messages have not been
.B show
honor the profile entry \*(lqUnseen\-Sequence\*(rq to support this
activity. This entry in the
-.I \&.mh\(ruprofile
+.I \&.mh_profile
should be defined as one or more sequence names, as separate arguments.
If there is a value for \*(lqUnseen\-Sequence\*(rq in the profile,
then whenever new messages are placed in a folder (using
to add new messages to the sequence \*(lqunseen\*(rq.
Unlike the behavior of the \*(lqPrevious\-Sequence\*(rq entry in the
profile, however, the sequence(s) will
-.B not
+.I not
be zeroed by
.BR inc .
.PP
commands that modify the sequence file use transactional locks; the lock
is held from the time the sequence file is read until it it written out.
This ensures that modifications to the sequence file will not be lost
-if multiple commands are run simultaneously. Long\-running
+if multiple commands are run simultaneously. Long-running
.B nmh
commands, such as
.B inc
the sequence file after their processing is complete to reduce lock
contention time.
.PP
-.B Note:
+Note:
Currently transactional locks are only supported for public sequences;
private sequences will not get corrupted, but the possibility exists that two
.B nmh
$HOME/.mh\-profile
The user's profile.
.TP 20
-<mh\-dir>/context
+<mh-dir>/context
The user's context.
.TP 20
<folder>/.mh\-sequences