Moved declaration of popen to paths.h and put convert_command() into module
Increased read buffer size from 512 to 2048
Continued ANSIfication. Renamed local initotypes() to ot_initotypes().
Various compatibility fixes.
Fewer complaints if "platform.h" precedes "standard.h"
Abstracted process and path handling for Windows. Renamed FLOAT to RREAL because of conflict on Windows. Added conditional compiles for some signal handlers.
Changed alias handling to allow tracking, fixed freeobjects() and do_irrad bugs
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
removed declaration of fgets()
removed lastrno reference
updated revision number for release 2.0
replaced fscanf() calls with fgetword()
added separate readfargs.o module
eliminated call to savestr()
bug fix in recursive call
Initial revision
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