1 6/29/83 forum request: previous_seen, ps
 2 
 3 Syntax:  ps {trans_spec} {-control_args}
 4 
 5 
 6 Syntax as an active request:  [ps {trans_spec} {-control_args}]
 7 
 8 
 9 Function:
10 Prints or returns the transaction index of the first transaction before
11 the specified transaction which has been marked as seen, or before
12 the current transaction if no trans_spec is given.
13 
14 
15 Arguments:
16 trans_spec
17    is the transaction for which the previous_seen transaction is desired.
18 
19 
20 Control arguments:
21 -include_deleted, -idl
22    print or return the index of the previous_seen transaction even if
23    it is deleted.
24 -only_deleted, -odl
25    print or return the index of the previous_seen deleted transaction.
26 -only_non_deleted, -ondl
27    print or return the index of the previous_seen non-deleted
28    transaction.  (Default)