1 03/06/86  read_mail request: previous_unseen, pu
 2 
 3 Syntax:  pu {-control_arg}
 4 
 5 
 6 Syntax as an active request:  [pu {-control_arg}]
 7 
 8 
 9 Function:
10 Prints or returns the message number of the last message before the
11 current message that has NOT been printed with the print request by
12 a user having "d" extended 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)