> My guess is that the cson module is not loaded. And not distributed. And > not in Debian.
It is cson. I have now packaged speg (needed by pycson) and pycson and updated asymptote git. After these two packages are through the NEW queue I will upload 4.77. Norbert -- PREINING Norbert http://www.preining.info Accelia Inc. + JAIST + TeX Live + Debian Developer GPG: 0x860CDC13 fp: F7D8 A928 26E3 16A1 9FA0 ACF0 6CAC A448 860C DC13