Input without any data rows is rejected

All 4 scenarios hold

A table needs a header row and at least one data row. The Input column lists the source one line per element, and groups every input that carries no row: the failure is the same whether the source is empty, blank, commented out, or a mixture.

expected outcome broken scenario
ScenarioInputError message?
No row of any kind
    • “”
    • // just a comment
    • // one
    • // two
Table has no rows: input was empty or contained only blank lines and comments