// Copyright (c) 2014 NetEase Youdao Inc. and other heX contributors.
// Portions Copyright (c) 2008-2013 Marshall A.Greenblatt, 2006-2009
// Google Inc., and Joyent, Inc. All rights reserved.
//
// Redistribution and use in source and binary forms, with or without
// modification, are permitted provided that the following conditions are
// met:
//
//   * Redistributions of source code must retain the above copyright notice,
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//   * Redistributions in binary form must reproduce the above copyright
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//   * Neither the name of Google Inc. nor the name Chromium Embedded Framework
//     nor the name of Joyent, Inc. nor the name of NetEase Youdao Inc. nor
//     the name heX nor the names of its contributors may be used to endorse
//     or promote products derived from this software without specific prior
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//
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