Scan text for unique characters (for Chinese, Japanese, Korean fonts)

Questions
4

the same. Just lua script in game, run them after texts update and copy print from console to font settings manually.

local utf8 = require "helper.utf8"

-----------------
local function uniqueSymbols(mytexttable)
    local unique={}
    local extra_characters=""
    for k,v in pairs(mytexttable) do
        if v then
            utf8.gsub(v,".", function(c)
            if  not unique[c] then
                unique[c]=1
                extra_characters=extra_characters..c
            else
                unique[c]=unique[c]+1
            end
            end)
        end
    end
    print(extra_characters)
end
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