lib/open3.pl Open a three-ended pipe (uses IPC::Open3)
lib/open.pm Pragma to specify default I/O layers
lib/open.t See if the open pragma works
+lib/overload64.t See if operator overloading works with 64-bit ints
lib/overload.pm Module for overloading perl operators
lib/overload.t See if operator overloading works
lib/Package/Constants.pm Package::Constants