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