Continued ANSIfication. There are only bits and pieces left now.
More adjustments and corrections to default parameters
Increased default ambient options in rpict, rtrace, rview, rad & mkillum
Minor improvements
Removed check of urperm, which didn't work with -DMC
Replaced most outdated BSD function calls with their posix equivalents, and cleaned up a few other platform dependencies.
Eliminated -DBIGMEM define, since we always used it in makeall
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
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