This is a low priority https://github.com/WorkflowConversion/CTDopts/blob/develop/schemas/Param_1_6_2.xsd#L66 https://github.com/WorkflowConversion/CTDConverter/commit/086688ee77643187dc635d3946cccd264df3ab1a https://github.com/seqan/seqan/blob/f5f658343c366c9c3d44ba358ffc9317e78a09ed/include/seqan/arg_parse/arg_parse_ctd_support.h#L320
