I have a scene, originally written for MegaPOV 0.5, which takes a complex texture used
on a flat part of a model, and imposes a cylindrical warp for use on another part.  
It fails under 3.5 beta 4.  Here's an extremely simplified version:

#declare T_Flat  = texture { pigment { gradient x }}

#declare T_Cylindrical = texture { T_Flat
  scale <0.075/pi,1,10>
  warp { cylindrical }
  rotate x*-90
}

Is that use of "warp" not permitted under 3.5, or is it supposed to work like it did
in MegaPOV?

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