Continued ANSIfication and reduced compile warnings.
Added grouping parens to reduce ambiguity warnings.
Changes and check-in for 3.5 release Includes new source files and modifications not recorded for many years See ray/doc/notes/ReleaseNotes for notes between 3.1 and 3.5 release
fixes in materials and light sources (hacks all)
portability improvements
bug fixes and enhancements by Peter Averkamp
updated revision number for release 2.0
changed transmitting objects to always polished
Initial revision
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