Hi, the spec seems to look like starting from 0.0.5. Request: can the older versions be published too, for curiosity? http://www.lrn.ru/~avp/specs/ is empty. A history section would be straight forward for an specification. regards Kai-Uwe Behrmann + development for color management + imaging / panoramas + email: ku.b at gmx.de + http://www.behrmann.name