message: Fix documentation for tile dependencies example
diff: @@ -265,7 +265,11 @@ export namespace TileDependenciesExample {
  const instructions = `
  Pan to the left / right until the tile in the center disappears.<br/>
  To enable usage of the tile dependencies, check the checkbox,<br/>
  -the geometry will now always be visible.`;
  +the geometry will now always be visible.
  +Clicking on the geometry will show a box showing where you clicked.
  +If the tile dependencies checkbox is disabled, this will only work in
  +the center tile, because otherwise we assume that the contents of any
  +given tile remain in its boundaries.`;
  const message = document.createElement("div");
  message.style.position = "absolute";
  message.style.cssFloat = "right";
  