luatexja.load_module('charrange'); local ltjc = luatexja.charrange
require("unicode")
local utflen = unicode.utf8.len
local utfbyte = unicode.utf8.byte
luatexja.load_module('charrange'); local ltjc = luatexja.charrange
require("unicode")
local utflen = unicode.utf8.len
local utfbyte = unicode.utf8.byte