The first three plane definitions pass through the parser. The fourth
generates an error. Why?
plane{
<0,0,1>,1
pigment{rgb<1,1,1>}
}
plane{
<0,0,1>
1
pigment{rgb<1,1,1>}
}
plane{
<0,0,1>,-1
pigment{rgb<1,1,1>}
}
plane{
<0,0,1>
-1
pigment{rgb<1,1,1>}
}
Kenneth Hutson
