In the snippet below,the last line causes the error; :showdate is whitelisted, it's components appear just in the params list returned by the browser The error's at the plus sign but not sure which of them
@showday = params["showdate(3i)"] showmonth_string = params["showdate(2i)"] @showmonth = Date::MONTHNAMES[showmonth_string.to_i] @showyear = params["showdate(1i)"] @showdate = @showmonth + " " + @showday + ", " + @showyear