OK, all know bugs in my version are fixed, plus a few latent bugs that have
been preemptively bulletproofed. Thanks again to Hans for his help with all
this. Feel free to download what I am more certain than ever is a
fully-featured (if unofficial) POV-Ray 3.1 for Linux:
http://www.mailbag.com/users/mtgordon/povray.html
-Mark Gordon