Richard Levitte 35fd99538a Update copyright year %!s(int64=5) %!d(string=hai) anos
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pkread.c 35fd99538a Update copyright year %!s(int64=5) %!d(string=hai) anos
pkwrite.c 9e20068958 Consolidate copyright for demos %!s(int64=8) %!d(string=hai) anos