class REXML::Parsers::XPathParser

def Predicate path, parsed
  original_path = path
  path = path.lstrip
  return original_path unless path[0] == ?[
  predicates = []
  while path[0] == ?[
    path, expr = get_group(path)
    predicates << expr[1..-2] if expr
  end
  predicates.each{ |pred|
    preds = []
    parsed << :predicate
    parsed << preds
    OrExpr(pred, preds)
  }
  path
end