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Documentation for this module may be created at Module:Birthagemonth/doc
local p = {} function p.formatDate(frame) local month = frame.args[1] or 1 local year = frame.args[2] or 1970 return mw.getContentLanguage():formatDate('F Y', string.format('%d-%d', year, month)) end function p.calculateAge(frame) local month = tonumber(frame.args[1]) or 1 local year = tonumber(frame.args[2]) or 1970 local currentMonth = tonumber(mw.getCurrentFrame():callParserFunction('#time', 'n')) local currentYear = tonumber(mw.getCurrentFrame():callParserFunction('#time', 'Y')) local age = currentYear - year if currentMonth < month then age = age - 1 end return age end function p.displayDateWithAge(frame) local date = p.formatDate(frame) local age = p.calculateAge(frame) return string.format('%s (age %d)', date, age) end return p