old_contents: var express = require('express'),
      ejs = require('../lib/ejs.js');
  var app = express();
  app.engine('.html', ejs.__express);
  app.set('view engine', 'ejs');
  app.get('/', function(req, res) {
  	res.render(__dirname + '/index.html', {header: 'Hello EJS'});
  });
  var server = app.listen(3000, function () {
    console.log('Example app listening at http://localhost:3000');
  });
new_contents: var express = require('express'),
      ejs = require('../lib/ejs.js');
  var app = express();
  app.engine('.html', ejs.__express);
  app.set('view engine', 'ejs-stream');
  app.get('/', function(req, res) {
  	res.render(__dirname + '/index.html', {header: 'Hello EJS'});
  });
  var server = app.listen(process.env.PORT || 3000, function () {
    console.log('Example app listening at http://localhost:3000');
  });
subject: fix sample