displayToDeviceBase
SVG display space is already top-left and y-down, which is what the page contract asks for, so the base is the identity, as it is for a comic page. A flip here turned every standalone SVG upside down (#96).
SVG display space is already top-left and y-down, which is what the page contract asks for, so the base is the identity, as it is for a comic page. A flip here turned every standalone SVG upside down (#96).