message: Clarify direction in gallery
diff: @@ -123,7 +123,7 @@ export class TestApp extends LitElement {
  <h2>outline-sort-icon</h2>
  <outline-sort-span dir=${this.dir} direction=1 @tap=${() => {
  const el = this.select('outline-sort-span');
  - el.direction = (el.direction + 2) % 3 - 1;
  + el.direction *= -1;
  }}>Column Header</outline-sort-span>
  </div>
  