Some files in this directory are taken from the Unicode Character Database and the Unicode Ideographic Variation Database. These files are governed by the Unicode Terms of Use contained in the file copyright.html. The names, URLs, and dates for these files are as follows. BidiBrackets.txt http://www.unicode.org/Public/UNIDATA/BidiBrackets.txt 2017-04-20 BidiMirroring.txt http://www.unicode.org/Public/UNIDATA/BidiMirroring.txt 2017-04-20 IVD_Sequences.txt http://www.unicode.org/ivd/ 2016-08-15 UnicodeData.txt http://www.unicode.org/Public/UNIDATA/UnicodeData.txt 2017-03-07 Blocks.txt http://www.unicode.org/Public/8.0.0/ucd/Blocks.txt 2017-04-20 NormalizationTest.txt http://www.unicode.org/Public/UNIDATA/NormalizationTest.txt 2017-03-08 SpecialCasing.txt http://unicode.org/Public/UNIDATA/SpecialCasing.txt 2017-04-20