2d.transformation:                    "transformations"
2d.color.space:                       'wide-gamut-canvas'
2d.composite:                         "compositing"
2d.coordinatespace:                   "conformance-requirements"
2d.missingargs:                       "conformance-requirements"
2d.type.delete:                       "conformance-requirements"
2d.voidreturn:                        "conformance-requirements"
2d.drawImage:                         "drawing-images-to-the-canvas"
2d.clearRect:                         "drawing-rectangles-to-the-canvas"
2d.fillRect:                          "drawing-rectangles-to-the-canvas"
2d.strokeRect:                        "drawing-rectangles-to-the-canvas"
2d.text:                              "text"
2d.fillStyle:                         "fill-and-stroke-styles"
2d.gradient:                          "fill-and-stroke-styles"
2d.pattern:                           "fill-and-stroke-styles"
2d.strokeStyle:                       "fill-and-stroke-styles"
2d.path:                              "path-objects"
2d.imageData:                         "pixel-manipulation"
2d.reset:                             "reset"
2d.shadow:                            "shadows"
2d.filter:                            "filters"
2d.state:                             "the-canvas-state"
2d.scrollPathIntoView:                "scroll"
2d.video:                             "video"
2d.canvas.host:                       "canvas-host"
2d.canvas.context:                    "canvas-context"