Contains various Unicode data files used in the library for Unicode support

To update all files to the last published Unicode version issue the following command in the directory containing this file.

wget
https://www.unicode.org/Public/UCD/latest/ucd/DerivedCoreProperties.txt
https://www.unicode.org/Public/UCD/latest/ucd/auxiliary/GraphemeBreakProperty.txt
https://www.unicode.org/Public/UCD/latest/ucd/auxiliary/GraphemeBreakTest.txt
https://www.unicode.org/Public/UCD/latest/ucd/emoji/emoji-data.txt
https://www.unicode.org/Public/UCD/latest/ucd/extracted/DerivedGeneralCategory.txt
https://www.unicode.org/Public/UCD/latest/ucd/EastAsianWidth.txt

Afterwards build the libcxx-generate-files target to update the generated Unicode files.

GraphemeBreakProperty.txt Source: https://www.unicode.org/Public/UCD/latest/ucd/auxiliary/GraphemeBreakProperty.txt Usage: libcxx/utils/generate_extended_grapheme_cluster_table.py

emoji-data.txt Source: https://www.unicode.org/Public/UCD/latest/ucd/emoji/emoji-data.txt Usage: libcxx/utils/generate_extended_grapheme_cluster_table.py

GraphemeBreakTest.txt Source: https://www.unicode.org/Public/UCD/latest/ucd/auxiliary/GraphemeBreakTest.txt Usage: libcxx/utils/generate_extended_grapheme_cluster_test.py

DerivedCoreProperties.txt Source: https://www.unicode.org/Public/UCD/latest/ucd/DerivedCoreProperties.txt Usage: libcxx/utils/generate_escaped_output_table.py

DerivedGeneralCategory.txt Source: https://www.unicode.org/Public/UCD/latest/ucd/extracted/DerivedGeneralCategory.txt Usage: libcxx/utils/generate_escaped_output_table.py

EastAsianWidth.txt https://www.unicode.org/Public/UCD/latest/ucd/EastAsianWidth.txt Usage: libcxx/utils/generate_width_estimation_table.py