When it's repaired, it will probably also solve the problem I had mentionned
with the background vs skysphere alpha color handling I had reported here:
http://news.povray.org/povray.beta-test/thread/%3Cweb.4b92a5b2a915a27a1408b2c10%40news.povray.org%3E/?mtop=342575&moff=
10