class REXML::Parsers::XPathParser

def PathExpr path, parsed
  path = path.lstrip
  n = []
  rest = FilterExpr( path, n )
  if rest != path
    if rest and rest[0] == ?/
      rest = RelativeLocationPath(rest, n)
      parsed.concat(n)
      return rest
    end
  end
  rest = LocationPath(rest, n) if rest =~ /\A[\/\.\@\[\w*]/
  parsed.concat(n)
  return rest
end