message: CR: multi-line values are legal in keyValue args
diff: @@ -33,7 +33,7 @@ export default {
  }),
  keyValue: flags.build({
  parse(val) {
  - const kvMatch = /^([^=]+)=(.*)$/.exec(val);
  + const kvMatch = /^([^=]+)=(.*)$/s.exec(val);
  if (!kvMatch) return error(`Expected 'KEY=value' but received: ${val}`);
  return { key: kvMatch[1], value: kvMatch[2] };
  },
  