just the 2nd previous message. It is an error if the requested
message does not exist (i.e., there aren't enough messages in the
folder).
-.PP
+.PP
In commands which accept a `msgs' argument, the default is either
\*(lqcur\*(rq or \*(lqall\*(rq, depending on which makes more sense
for each command (see the individual man pages for details). Repeated
.PP
.B Nmh
commands that modify the sequence file will silently remove sequences for
-nonexistant messages when the sequence file is updated. The exception to
+nonexistent messages when the sequence file is updated. The exception to
this is the \*(lqcur\*(rq sequence, which is allowed to point to a
-nonexistant message.
+nonexistent message.
.SS Sequence File Locking
The \*(lqdatalocking\*(rq profile entry controls the type of locking used
when reading and writing sequence files. The locking mechanisms supported