# File rexml/xpath_parser.rb, line 173
  def AdditiveExpr path, nodeset
			#puts "AdditiveExpr( #{path}, #{puta nodeset} )" if DEBUG
			GenericExpr( path, nodeset, /^\*(\| -)\*/, @MULTIPLICATIVEEXPR) {|a,o,b| 
				a.send( o.strip, b )
			}
		end