Not that I know of. Gherkin is the simplest language I know of with any sort of rigor. Less than that, and you start falling on non-rigorous language that will

Not that I know of. Gherkin is the simplest language I know of with any sort of rigor. Less than that, and you start falling on non-rigorous language that will have gaps of meaning, intent, and completeness. What you came up with was pretty good. Good luck enforcing it with nontechnical stakeholders, though.