-The function \fBmenu_pattern\fR returns a pointer, 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.
-It does not set errno.
+The function \fBmenu_pattern\fP returns a pointer,
+which is \fBNULL\fP 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.
+It does not set \fBerrno\fP.