which is \fBNULL\fR if the \fImenu\fP parameter is \fBNULL\fP.
Otherwise, it is a pointer to a string which is empty
if no pattern has been set.
which is \fBNULL\fR if the \fImenu\fP parameter is \fBNULL\fP.
Otherwise, it is a pointer to a string which is empty
if no pattern has been set.