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-- Function allowing for consistent treatment of boolean-like wikitext input. -- It works similarly to the template .

return function (val, default) -- If your wiki uses non-ascii characters for any of "yes", "no", etc., you -- should replace "val:lower()" with "mw.ustring.lower(val)" in the -- following line. val = type(val) == 'string' and val:lower() or val if val == nil then return nil elseif val == true or val == 'yes' or val == 'y' or val == 'true' or tonumber(val) == 1 then return true elseif val == false or val == 'no' or val == 'n' or val == 'false' or tonumber(val) == 0 then return false else return default end end