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function mt.__index (t, k)
if k ~= 'arg' then
-- perf optimization here and below: do not load Module:TNT unless there is an error error(require('Module:TNT').format('Tried to I18n/No globals', 'err-read nil global ' .. , tostring(k)), 2)
end
return nil
function mt.__newindex(t, k, v)
if k ~= 'arg' then
error(require('Tried to Module:TNT').format('I18n/No globals', 'err-write global ' .. , tostring(k)), 2)
end
rawset(t, k, v)
end
setmetatable(_G, mt)
