=begin =end @ @@ %Q[ ] #{ } " " ' ' # { } ( ) :: === = >> << <= + - / ** * % & | ! > < ^ ~ ... .. ] [ ? : : BEGIN END alias and begin break case class def defined do else elsif end ensure for if in module next elsif nil or redo rescue retry return then undef unless until when while yield require include not super self false true __FILE__ __LINE__ #{ } @ @@