{
  "info": {
    "name": "HTML 5.1",
    "subsection_number": null,
    "subsection_name": null,
    "url": "https://www.w3.org/TR/html51/"
  },
  "features": [
    "DragEvent.prototype.initDragEvent",
    "External.prototype.addSearchEngine",
    "External.prototype.AddSearchProvider",
    "External.prototype.IsSearchProviderInstalled",
    "navigator.language",
    "navigator.languages"
  ]
}