-\fB\-\-convert\fP <inputformat> <inputfile> <outputformat> <outputfile>
-Converts <inputfile> in <inputformat> to <outputfile> in <outputformat>
+\fB\-\-convert\fP [ \fB\-\-informat\fP \fI<inputformat>\fR ] [ \fB\-\-infile\fP \fI<inputfile>\fR ] [ \fB\-\-outformat\fP \fI<outputformat>\fR ] [ \fB\-\-outfile\fP \fI<outputfile>\fR ]
+Converts \fI<inputfile>\fR in \fI<inputformat>\fR to \fI<outputfile>\fR in \fI<outputformat>\fR
+(defaults are \fBabook\fP, \fBstdin\fP, \fBtext\fP and \fBstdout\fP).