putstrf expr print \fIstr\fR in a fixed width
putnum expr print \fInum\fR
putnumf expr print \fInum\fR in a fixed width
-.\" addtoseq literal add msg to sequence (LBL option)
nodate string integer Argument not a date string (0 or 1)
formataddr expr append \fIarg\fR to \fIstr\fR as a
(comma separated) address list