是否有适用于Ruby on Rails的任何（本地）HTML验证器？

I've looked around all day yesterday for a working HTML validator that I could use to check the code generated by my rails application. So far, I've tried several different strategies such as RailsTidy, which no longer works as of Rails 1.9, tidy_ffi, which I've had a hard time "require"-ing when running in rails console, and the FireFox's Total Validator, which always gives me the same error regardless of what I'm checking.I've looked around all day yesterday for a work