.RB [ \-t
.IR time ]
.br
-
+\h'8n'
.RB [ \-o
.IR output ]
.RI [ file
.RB [ \-F
.IR format ]
.br
-
+\h'8n'
.RB [ \-m
.IR file ]
.RB [ \-o
All messages.
.PP
.B Warning!
-All output written has been checked for authenticity. However, output
-can fail madway through for many reasons, and the resulting message may
+Unless the
+.B \-b
+option is set (which happens automatically if writing to standard
+output),
+.BR catsign 's
+output is
+.I not
+checked for authenticity until it has all been written. Even with
+.BR \-b ,
+output can fail midway for many reasons, and the resulting message may
therefore be truncated. Don't rely on the output being complete until
.B OK
is printed or