Module:mdf-sortkey

local export = {}
local u = mw.ustring.char
local a = u(0xF000)

local oneChar = {
	["ё"] = "е" .. a
}

function export.makeSortKey(text, lang, sc)
	return mw.ustring.upper(mw.ustring.gsub(mw.ustring.lower(text), ".", oneChar))
end

return export