Module:sga-sortkey
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local export = {}
local u = mw.ustring.char
local remove_diacritics = u(0x0301) .. "-"
local oneChar = {
["æ"] = "e"
}
function export.makeSortKey(text, lang, sc)
text = mw.ustring.gsub(mw.ustring.lower(mw.ustring.toNFD(text)), "^h", "")
return mw.ustring.upper(mw.ustring.toNFC(mw.ustring.gsub(mw.ustring.toNFD(mw.ustring.gsub(text, ".", oneChar)), "[" .. remove_diacritics .. "]", "")))
end
return export