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Name		Name	Last commit message	Last commit date
bench		bench
docs		docs
dromozoa		dromozoa
test		test
.gitignore		.gitignore
.luarc.json		.luarc.json
COPYING		COPYING
README.md		README.md
VERSION.txt		VERSION.txt
build.sh		build.sh
build_config.lua		build_config.lua
build_east_asian_width.lua		build_east_asian_width.lua
build_general_category.lua		build_general_category.lua
build_is_white_space.lua		build_is_white_space.lua
dromozoa-markdown-table		dromozoa-markdown-table
dromozoa-utf8-1.27-1.rockspec		dromozoa-utf8-1.27-1.rockspec
test.sh		test.sh

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dromozoa-utf8

Lua 5.3 compatible pure-Lua UTF-8 implementation. Currently, lax optional argument introduced in Lua 5.4 is not supported.

v1.27

Unicode 18.0

v1.26

new function dromozoa.ucd.east_asian_width_ambiguous_half
new function dromozoa.ucd.east_asian_width_ambiguous_full

v1.25

dromozoa-markdown-table now handles backslashes loosely

v1.24

dromozoa-markdown-table can now output in CSV and TSV formats

v1.23

dromozoa-markdown-table now supports GitHub Flavored Markdown table

v1.22

dromozoa-markdown-table no longer treats vertical bars in inline code or inline equations, as well as vertical bars escaped with backslashes, as table borders

v1.21

maintenance release

v1.20

Unicode 17.0

v1.19

Unicode 16.0

v1.18

Unicode 15.0
old luarocks support

v1.17

maintenance release

v1.16

Unicode 13.0
Lua 5.4 compatible error messages

v1.15

performance improvement

v1.14

Unicode 12.1

v1.13

Unicode 12.0

v1.12

Unicode 11.0

v1.11

maintenance release

v1.10

new function dromozoa.ucd.general_category

v1.9

new module dromozoa.ucd
new module dromozoa.utf16

v1.8

new function dromozoa.ucd.is_white_space

v1.7

maintenance release

v1.6

new utility dromozoa-markdown-table
new module dromozoa.ucd.builder

v1.5

new function dromozoa.ucd.east_asian_width
new function dromozoa.utf16.decode_surrogate_pair

v1.4

Features

table-based performance improvement
almost Lua compatible argument check
strict UTF-8 encoding check (do not accept CESU-8)

Performance Improvement

Function	Improvement Ratio
`utf8.char`	9.9
`utf8.codes`	1.8
`utf8.codepoint`	1.8
`utf8.len`	1.5
`utf8.offset` (positive)	3.3
`utf8.offset` (negative)	2.3

Memory Usage

Version	ILP32	LP64/LLP64
v1.3	9KiB	10KiB
v1.4	232KiB	274KiB

About

Lua 5.3 compatible pure-Lua UTF-8 implementation

dromozoa.github.io/dromozoa-utf8/

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GPL-3.0 license

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13 stars

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