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Optional Repeatable Parameters

The following diagram shows a list of parameters with the repeat symbol for optional repeatable parameters:

             ┌─────────────┐ ┌─────────────┐ ┌─────────────┐
►►─ COMMAND ─▼─┬─────────┬─┴─▼─┬─────────┬─┴─▼─┬─────────┬─┴──────────────────►◄
               └─ PARM1 ─┘     └─ PARM2 ─┘     └─ PARM3 ─┘

The following are some of the statements you can write:

COMMAND PARM1
COMMAND PARM1 PARM2 PARM3
COMMAND PARM1 PARM1 PARM3