old_contents: /* 
   * catberry-dust
   *
   * Copyright (c) 2014 Denis Rechkunov and project contributors.
   *
   * catberry-dust's license follows:
   *
   * Permission is hereby granted, free of charge, to any person
   * obtaining a copy of this software and associated documentation
   * files (the "Software"), to deal in the Software without restriction,
   * including without limitation the rights to use, copy, modify, merge, 
   * publish, distribute, sublicense, and/or sell copies of the Software, 
   * and to permit persons to whom the Software is furnished to do so, 
   * subject to the following conditions:
   *
   * The above copyright notice and this permission notice shall be included
   * in all copies or substantial portions of the Software.
  
   * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS 
   * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
   * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
   * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER 
   * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, 
   * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
   * SOFTWARE.
   * 
   * This license applies to all parts of catberry-dust that are not externally
   * maintained libraries.
   */
  
  'use strict';
  
  module.exports = Stub;
  
  var Chunk = require('./Chunk');
  
  function Stub(dust, callback) {
  	this.head = new Chunk(this, null, null, dust);
  	this.dust = dust;
  	this.out = '';
  	this.callback = callback;
  }
  
  /**
   * Flushes all data from chunks to consumer.
   */
  Stub.prototype.flush = function () {
  	while (this.head) {
  		if (this.head.error) {
  			throw this.head.error;
  		}
  
  		this.out += this.head.data.join('');
  		this.head = this.head.next;
  	}
  	this.callback(null, this.out);
  };
  
new_contents: /* 
   * catberry-dust
   *
   * Copyright (c) 2014 Denis Rechkunov and project contributors.
   *
   * catberry-dust's license follows:
   *
   * Permission is hereby granted, free of charge, to any person
   * obtaining a copy of this software and associated documentation
   * files (the "Software"), to deal in the Software without restriction,
   * including without limitation the rights to use, copy, modify, merge, 
   * publish, distribute, sublicense, and/or sell copies of the Software, 
   * and to permit persons to whom the Software is furnished to do so, 
   * subject to the following conditions:
   *
   * The above copyright notice and this permission notice shall be included
   * in all copies or substantial portions of the Software.
  
   * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS 
   * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
   * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
   * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER 
   * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, 
   * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
   * SOFTWARE.
   * 
   * This license applies to all parts of catberry-dust that are not externally
   * maintained libraries.
   */
  
  'use strict';
  
  module.exports = Stub;
  
  var Chunk = require('./Chunk');
  
  function Stub(dust, callback) {
  	this.head = new Chunk(this, null, null, dust);
  	this.dust = dust;
  	this.out = '';
  	this.callback = callback;
  }
  
  /**
   * Flushes all data from chunks to consumer.
   */
  Stub.prototype.flush = function () {
  	while (this.head) {
  		if (this.head.error) {
  			throw this.head.error;
  		}
  
  		if (!this.head.flushable) {
  			return;
  		}
  		this.out += this.head.data.join('');
  		this.head = this.head.next;
  	}
  	this.callback(null, this.out);
  };
  
subject: Fix bug with Stub.