© Ecma International 2020
COPYRIGHT NOTICE
© 2020 Ecma International
This document may be copied, published and distributed to others, and certain derivative works of it
may be prepared, copied, published, and distributed, in whole or in part, provided that the above
copyright notice and this Copyright License and Disclaimer are included on all such copies and
derivative works. The only derivative works that are permissible under this Copyright License and
Disclaimer are:
(i) works which incorporate all or portion of this document for the purpose of providing commentary or
explanation (such as an annotated version of the document),
(ii) works which incorporate all or portion of this document for the purpose of incorporating features
that provide accessibility,
(iii) translations of this document into languages other than English and into different formats and
(iv) works by making use of this specification in standard conformant products by implementing (e.g.
by copy and paste wholly or partly) the functionality therein.
However, the content of this document itself may not be modified in any way, including by removing the
copyright notice or references to Ecma International, except as required to translate it into languages
other than English or into a different format.
The official version of an Ecma International document is the English language version on the Ecma
International website. In the event of discrepancies between a translated version and the official
version, the official version shall govern.
The limited permissions granted above are perpetual and will not be revoked by Ecma Internat ional or
its successors or assigns.
This document and the information contained herein is provided on an "AS IS" basis and ECMA
INTERNATIONAL DISCLAIMS ALL WARRANTIES, EXPRESS OR IMPLIED, INCLUDING BUT NOT
LIMITED TO ANY WARRANTY THAT THE USE OF THE INFORMATION HEREIN WILL NOT INFRINGE
ANY OWNERSHIP RIGHTS OR ANY IMPLIED WARRANTIES OF MERCHANTABILITY OR FITNESS FOR
A PARTICULAR PURPOSE."
Software License
All Software contained in this document ("Software)" is protected by copyright and is being made available under the "BSD
License", included below. This Software may be subject to third party rights (rights from parties other than Ecma
International), including patent rights, and no licenses under such third party rights are granted under this license even if
the third party concerned is a member of Ecma International. SEE THE ECMA CODE OF CONDUCT IN
PATENT MATTERS AVAILABLE AT https://www.ecma-international.org/memento/codeofconduct.htm FOR
INFORMATION REGARDING THE LICENSING OF PATENT CLAIMS THAT ARE REQUIRED TO IMPLEMENT
ECMA INTERNATIONAL STANDARDS*.
Redistribution and use in source and binary forms, with or without modification, are permitted provided that the following
conditions are met:
1. Redistributions of source code must retain the above copyright notice, this list of conditions and the following disclaimer.
2. Redistributions in binary form must reproduce the above copyright notice, this list of conditions and the following
disclaimer in the documentation and/or other materials provided with the distribution.
3. Neither the name of the authors nor Ecma International may be used to endorse or promote products derived from this
software without specific prior written permission.
THIS SOFTWARE IS PROVIDED BY THE ECMA INTERNATIONAL "AS IS" AND ANY EXPRESS OR IMPLIED
WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND
FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL ECMA INTERNATIONAL BE
LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
(INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
