RelationalExpr

# File lib/rexml/parsers/xpathparser.rb, line 401
      def RelationalExpr path, parsed
        n = []
        rest = AdditiveExpr( path, n )
        if rest != path
          while rest =~ /^\s*([<>]=?)\s*/
            if $1[0] == <<
              sym = "lt"
            else
              sym = "gt"
            end
            sym << "eq" if $1[-1] == ==
            n = [ sym.intern, n, [] ]
            rest = AdditiveExpr( $', n[-1] )
          end
        end
        if parsed.size == 0 and n.size != 0
          parsed.replace(n)
        elsif n.size > 0
          parsed << n
        end
        rest
      end