On Fri, 08 Jan 2010 10:44:05 +0100, Henri Sivonen <hsivonen at iki.fi> wrote: > Image types can be reliably distinguished from the magic number, so > having the MIME type isn't critical in that sense. Since SVG this is no longer really true. Though I doubt anyone will support <canvas> -> SVG... -- Anne van Kesteren http://annevankesteren.nl/