-.B become \fIUSER\fR
-Instructs the server to treat the connection as if \fIUSER\fR had
-authenticated it. Only trusted users may issue this command.
+.B confirm \fICONFIRMATION
+Confirm user registration. \fICONFIRMATION\fR is as returned from
+\fBregister\fR below. This command can be used without logging in.
+.TP
+.B cookie \fICOOKIE
+Log a user back in using a cookie created with \fBmake-cookie\fR.
+.TP
+.B deluser \fIUSERNAME
+Deletes the named user. Requires the \fBadmin\fR right, and only works on
+local connections.