Docset.md

match Docset.build("website/docgen.json", &Docset.options(), &Build.extensions()) {
  case Ok(report) => {
    for problem in report.diagnostics { let _said = Io.writeLine(Docgen.describe(&problem)) }
    0
  }
  case Err(problems) => {
    for problem in problems { let _said = Io.writeErrorLine(Docgen.describe(&problem)) }
    1
  }
}