1 03/06/86  read_mail request:  last_unseen, lu
 2 
 3 Syntax: lu {-control_arg}
 4 
 5 
 6 Syntax as an active request:  [lu {-control_arg}]
 7 
 8 
 9 Function:
10 Prints or returns the message number of the last message that has NOT
11 been printed with the print request by a user having "d" extended
12 access to the mailbox.
13 
14 
15 Control arguments:
16 -include_deleted, -idl
17    includes both nondeleted and deleted messages.
18 -only_deleted, -odl
19    includes only deleted messages.
20 -only_non_deleted, -ondl
21    include only nondeleted messages. (Default)