old_contents: var sys = require('sys')
  
  // glorious streaming json parser, built specifically for the twitter streaming api
  // assumptions:
  //   1) ninjas are mammals
  //   2) tweets come in chunks of text, surrounded by {}'s, separated by line breaks
  //   3) only one tweet per chunk
  //
  //   p = new parser.instance()
  //   p.addListener('object', function...)
  //   p.receive(data)
  //   p.receive(data)
  //   ...
  
  var EventEmitter = require('events').EventEmitter;
  
  var Parser = module.exports = function Parser() {
    // Make sure we call our parents constructor
    EventEmitter.call(this);
    this.buffer = '';
    return this;
  };
  
  // The parser emits events!
  Parser.prototype = Object.create(EventEmitter.prototype);
  
  Parser.END        = '\r\n';
  Parser.END_LENGTH = 2;
  
  Parser.prototype.receive = function receive(buffer) {
    this.buffer += buffer.toString('utf8');
    var index, json;
  
    // We have END?
    while ((index = this.buffer.indexOf(Parser.END)) > -1) {
      json = this.buffer.slice(0, index);
      this.buffer = this.buffer.slice(index + Parser.END_LENGTH);
      if (json.length > 0) {
        try {
          json = JSON.parse(json);
          this.emit('object', json);
        } catch (error) {
          this.emit('error', error);
        }
      }
    }
  };
  
new_contents: // glorious streaming json parser, built specifically for the twitter streaming api
  // assumptions:
  //   1) ninjas are mammals
  //   2) tweets come in chunks of text, surrounded by {}'s, separated by line breaks
  //   3) only one tweet per chunk
  //
  //   p = new parser.instance()
  //   p.addListener('object', function...)
  //   p.receive(data)
  //   p.receive(data)
  //   ...
  
  var EventEmitter = require('events').EventEmitter;
  
  var Parser = module.exports = function Parser() {
    // Make sure we call our parents constructor
    EventEmitter.call(this);
    this.buffer = '';
    return this;
  };
  
  // The parser emits events!
  Parser.prototype = Object.create(EventEmitter.prototype);
  
  Parser.END        = '\r\n';
  Parser.END_LENGTH = 2;
  
  Parser.prototype.receive = function receive(buffer) {
    this.buffer += buffer.toString('utf8');
    var index, json;
  
    // We have END?
    while ((index = this.buffer.indexOf(Parser.END)) > -1) {
      json = this.buffer.slice(0, index);
      this.buffer = this.buffer.slice(index + Parser.END_LENGTH);
      if (json.length > 0) {
        try {
          json = JSON.parse(json);
          this.emit('object', json);
        } catch (error) {
          this.emit('error', error);
        }
      }
    }
  };
  
subject: Remove unused 'sys'.