// Extracted from http://dev.w3.org/2006/webapi/WebIDL/ on 2011-05-06
// edited to remove sequence as attributes, now invalid
interface Canvas {
  void drawPolygon(sequence<float> coordinates);
  sequence<float> getInflectionPoints();
  // ...
};

// Make sure sequence can still be registered as a type.
interface Foo {
  sequence bar();
};