stored in ~/.ppp_pseudonym first as the identity, and save in this
file any pseudonym offered by the peer during authentication.
.TP
+.B stop\-bits \fIn
+Set the number of stop bits for the serial port. Valid values are 1 or 2.
+The default value is 1.
+.TP
.B sync
Use synchronous HDLC serial encoding instead of asynchronous.
The device used by pppd with this option must have sync support.