index.html

<script src="/socket.io/socket.io.js"></script>

<script>

  var chat = io.connect('/chat')
    , news = io.connect('/news');

    chat.on('connect', function () {
    console.log('connect called on chat');
    chat.emit('hi!');
  });

  news.on('news', function () {
    console.log('connect called on chat');
    news.emit('woot');
  });
</script>

output current master

   info  - socket.io started
   debug - served static /socket.io.js
   debug - client authorized
   info  - handshake authorized 966600246121372668
   debug - setting request GET /socket.io/1/jsonp-polling/966600246121372668/?t=1311793679073&i=0
   debug - setting poll timeout
   debug - client authorized for 
   debug - clearing poll timeout
   debug - jsonppolling writing io.j[0]("1::");
   debug - set close timeout for client 966600246121372668
   debug - jsonppolling received data packet �8�1::/chat�8�1::/news
   debug - setting request GET /socket.io/1/jsonp-polling/966600246121372668/?t=1311793679079&i=0
   debug - setting poll timeout
   debug - discarding transport
   debug - cleared close timeout for client 966600246121372668

patched

   info  - socket.io started
   debug - served static /socket.io.js
   debug - client authorized
   info  - handshake authorized 9384262431059425793
   debug - setting request GET /socket.io/1/jsonp-polling/9384262431059425793/?t=1311793716987&i=0
   debug - setting poll timeout
   debug - client authorized for 
   debug - clearing poll timeout
   debug - jsonppolling writing io.j[0]("1::");
   debug - set close timeout for client 9384262431059425793
   debug - setting request GET /socket.io/1/jsonp-polling/9384262431059425793/?t=1311793716993&i=0
   debug - setting poll timeout
   debug - discarding transport
   debug - cleared close timeout for client 9384262431059425793
   debug - jsonppolling received data packet ?8?1::/chat?8?1::/news
   debug - client authorized for /chat
   debug - clearing poll timeout
   debug - jsonppolling writing io.j[0]("1::/chat");
   debug - set close timeout for client 9384262431059425793
connection
   debug - jsonppolling received data packet ?8?1::/chat?8?1::/news
   debug - client authorized for /news
connection
   debug - setting request GET /socket.io/1/jsonp-polling/9384262431059425793/?t=1311793717004&i=0
   debug - setting poll timeout
   debug - clearing poll timeout
   debug - jsonppolling writing io.j[0]("?73?5::/chat:{\"name\":\"a message\",\"args\":[{\"that\":\"only\",\"/chat\":\"will get\"}]}?75?5::/chat:{\"name\":\"a message\",\"args\":[{\"everyone\":\"in\",\"/chat\":\"will get\"}]}?8?1::/news?49?5::/news:{\"name\":\"item\",\"args\":[{\"news\":\"item\"}]}");
   debug - set close timeout for client 9384262431059425793
   debug - discarding transport
   debug - cleared close timeout for client 9384262431059425793
   debug - jsonppolling received data packet 5::/chat:{"name":"hi!"}
   debug - setting request GET /socket.io/1/jsonp-polling/9384262431059425793/?t=1311793717008&i=0
   debug - setting poll timeout
   debug - discarding transport
   debug - cleared close timeout for client 9384262431059425793

server.js

var static = require('node-static');
var file = new(static.Server)('.');
var app = require('http').createServer(function (request, response) { request.addListener('end', function () { file.serve(request, response); }); });

var io = require('../../socket.io').listen(app);

io.configure(function () {
  io.set('transports', ['jsonp-polling']);
});


var chat = io
  .of('/chat')
  .on('connection', function (socket) {
    console.log('connection');
    //console.log(socket);

    socket.emit('a message', {
        that: 'only'
      , '/chat': 'will get'
    });

    chat.emit('a message', {
        everyone: 'in'
      , '/chat': 'will get'
    });
  });

var news = io
  .of('/news')
  .on('connection', function (socket) {
    console.log('connection');
    socket.emit('item', { news: 'item' });
  });

app.listen(8080);