# File lib/xtemplate/node.rb, line 113
    def strip!(recursive=true)
      @children.reject!{|child| child.is_a?(String) && child =~ /\A\s*\z/ }
      if( recursive )
        @children.each{|child|
          if( child.is_a?(XNode) )
            child.strip!(true)
          end
        }
      end
    end