DocumentationReferenceReferenceValidation messagesEvery message of Validate, and how to fix it.TroubleshootingCommon problems and their solutions.Privacy and usage statisticsWhat the tool sends, and how to turn it off.LicenseFree to use, also commercially and for client work: the PolyForm Perimeter License.Function referenceEvery formula function.Command line optionsEvery option of the runner.Last updated on October 29, 2026