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emacs/admin/unidata/README
Robert Pluim de289d58a4 Support for Unicode emoji sequences
This covers both sequences using Zero-Width-Joiner codepoints and
those without. Bug#39799, I hope.

* .gitignore: Add emoji-zwj.el
* admin/notes/unicode: Add emoji-zwj-sequences.txt and
emoji-sequences.txt references.  Describe how to test after updating
to a newer Unicode version.
* admin/unidata/Makefile.in (all): add emoji-zwj.el as a dependency.
(emoji-zwj.el): Add target plus rules for building.
(gen-clean): Add emoji-zwj.el.
* admin/unidata/README: Add emoji-zwj-sequences.txt and
emoji-sequences.txt references.
* admin/unidata/blocks.awk: Force emoji script to be used for certain
codepoints that are used by the Unicode sequences.
* admin/unidata/emoji-sequences.txt: New file.
* admin/unidata/emoji-zwj-sequences.txt: New file.
* admin/unidata/emoji-zwj.awk: New file.  Derives
composition-function-table rules from emoji-zwj-sequences.txt, plus
hardcodes some derived manually from emoji-sequences.txt.
* etc/NEWS: Announce change.
* lisp/international/characters.el: Load the generated emoji-zwj.el
* src/Makefile.in (emoji-zwj): New target.
(temacs): Add emoji-zwj as a dependency.
2021-09-20 22:35:34 +02:00

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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
2021-06-30
BidiMirroring.txt
http://www.unicode.org/Public/UNIDATA/BidiMirroring.txt
2021-08-08
Blocks.txt
http://www.unicode.org/Public/8.0.0/ucd/Blocks.txt
2021-01-22
IVD_Sequences.txt
http://www.unicode.org/ivd/
2020-11-06
NormalizationTest.txt
http://www.unicode.org/Public/UNIDATA/NormalizationTest.txt
2021-05-28
SpecialCasing.txt
http://unicode.org/Public/UNIDATA/SpecialCasing.txt
2021-03-08
UnicodeData.txt
http://www.unicode.org/Public/UNIDATA/UnicodeData.txt
2021-07-06
emoji-data.txt
https://www.unicode.org/Public/14.0.0/ucd/emoji/emoji-data.txt
2021-08-26
emoji-zwj-sequences.txt
https://www.unicode.org/Public/emoji/14.0/emoji-zwj-sequences.txt
2021-06-08
emoji-sequences.txt
https://www.unicode.org/Public/emoji/14.0/emoji-sequences.txt
2020-08-26