Added check for references to identically-named but different modifiers
Major code reorg, moving mgflib to common and introducing BSDF material
Continued ANSIfication. There are only bits and pieces left now.
Fixed serious bug in ranimate where mesh instances were not being freed
Replaced inline copyright notice with #include "copyright.h"
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
eliminated freepict() call, now part of freedata()
added "free" command to rview to free object memory
Initial revision
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