Restores the queue to the value it was before any \fBset_queue\fR
actions were applied.
.
+.IP \fBnote:\fR[\fIhh\fR]...
+Does nothing at all. Any number of bytes represented as hex digits
+\fIhh\fR may be included. Pairs of hex digits may be separated by
+periods for readability.
.RE
.
.IP