Unicode Data Files include all data files under the directories http://www.unicode.org/Public/, http://www.unicode.org/reports/, and http://www.unicode.org/cldr/data/. Unicode Data Files do not include PDF online code charts under the directory http://www.unicode.org/Public/. Software includes any source code published in the Unicode Standard or under the directories http://www.unicode.org/Public/, http://www.unicode.org/reports/, and http://www.unicode.org/cldr/data/.
[4] Unicode Terms of Use ( 版) http://www.unicode.org/copyright.html#Exhibit1
[2] Various Licenses and Comments about Them - GNU Project - Free Software Foundation (FSF) ( 版) http://www.gnu.org/licenses/license-list.html#Unicode