Eliminated redundant specification of focal distance in pdfblur
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
minor change
changed to work as standard input to pinterp or rpict
modified setting of M from constant to formula of nsamp
Initial revision
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