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**Erlang** is a programming language used to build massively scalable soft
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real-time systems with requirements on high availability. Some of its
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uses are in telecom, banking, e-commerce, computer telephony and
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instant messaging. Erlang's runtime system has built-in support for
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concurrency, distribution and fault tolerance.
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**OTP** is set of Erlang libraries and design principles providing
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middle-ware to develop these systems. It includes its own distributed
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database, applications to interface towards other languages, debugging
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and release handling tools.
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More information can be found at [erlang.org] [1].
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Building and Installing
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-----------------------
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Information on building and installing Erlang/OTP can be found
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in the `INSTALL.md` document.
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Contributing to Erlang/OTP
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--------------------------
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Here are the [instructions for submitting patches] [2].
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* We prefer to receive proposed updates via email on the
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[`erlang-patches`] [3] mailing list rather than through a pull request.
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Pull requests are not practical because we have a strict policy never to
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merge any untested changes to the development branch (the only exception
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being **obviously** correct changes, such as corrections of typos).
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* We merge all proposed updates to the `pu` (*proposed updates*) branch,
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typically within one working day.
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* At least once a day, the contents of the `pu` branch will be built on
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several platforms (Linux, Solaris, Mac OS X, Windows, and so on) and
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automatic test suites will be run. We will email you if any problems are
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* If a proposed change builds and passes the tests, it will be reviewed
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by one or more members of the Erlang/OTP team at Ericsson. The reviewer
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may suggest improvements that are needed before the change can be accepted
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* Once or twice a week, a status email called "What's cooking in Erlang/OTP"
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will be sent to the [`erlang-patches`] [3] mailing list.
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> Copyright Ericsson AB 2010. All Rights Reserved.
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> The contents of this file are subject to the Erlang Public License,
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> Version 1.1, (the "License"); you may not use this file except in
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> compliance with the License. You should have received a copy of the
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> Erlang Public License along with this software. If not, it can be
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> retrieved online at http://www.erlang.org/.
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> Software distributed under the License is distributed on an "AS IS"
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> basis, WITHOUT WARRANTY OF ANY KIND, either express or implied. See
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> the License for the specific language governing rights and limitations
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[1]: http://www.erlang.org
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[2]: http://wiki.github.com/erlang/otp/submitting-patches
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[3]: http://www.erlang.org/faq.html