%pre
arg ::= <ColNum> ( (simulation-parameter|sp) <SimParaName>) | ( (result-path|rp) <ResultPath> ) | batch-number | drop-number

%pre
ColNum       column number starting with 0, must be consecutive

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SimParaName  Name of a simulation parameter in the results tree
ResultPath   A result path (see --result-path)

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simulation-parameter may be abbreviated with sp
result-path          may be abbreviated with rp
batch-number         may be abbreviated with bn
drop-number          may be abbreviated with dn
