Module:UrlEncoding

-- Way to encode URLs so they don't break things return {

   encode = function (frame)
       str = frame.args[1]
       if (str) then
           str = string.gsub (str, "\n", "\r\n")
           str = string.gsub (str, "([^%w ])",
               function (c) return string.format ("%%%02X", string.byte(c)) end)
           str = string.gsub (str, " ", "+")
       end
       return str
   end,
   decode = function (frame)
       str = frame.args[1]
       str = string.gsub (str, "+", " ")
       str = string.gsub (str, "%%(%x%x)",
           function(h) return string.char(tonumber(h,16)) end)
       str = string.gsub (str, "\r\n", "\n")
       return str
   end

}