The files
	zic.c zdump.c tzfile.h private.h tzselect.ksh
come from the tzcode package by Arthur David Olson et.al.

The files
	africa antarctica asia australasia europe
	northamerica southamerica pacificnew etcetera factory
	backward systemv solar87 solar88 solar89
	iso3166.tab zone.tab leapseconds yearistype
come from the tzdata package by Arthur David Olson et.al.

Please check the ChangeLog files in the top level directory for the
version of the tzcode and tzdata packages.

Please also see: https://sourceware.org/glibc/wiki/SharedSourceFiles

These packages may be found at ftp://ftp.iana.org/tz/releases/.  Commentary
should be addressed to tz@iana.org.

The subdirectory testdata contains manually edited data files for
regression testing purposes.