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+<?xml version="1.0" encoding="utf-8" ?>
+<!DOCTYPE chapter SYSTEM "chapter.dtd">
+
+<chapter>
+  <header>
+    <copyright>
+      <year>1997</year><year>2013</year>
+      <holder>Ericsson AB. All Rights Reserved.</holder>
+    </copyright>
+    <legalnotice>
+      Licensed under the Apache License, Version 2.0 (the "License");
+      you may not use this file except in compliance with the License.
+      You may obtain a copy of the License at
+ 
+          http://www.apache.org/licenses/LICENSE-2.0
+
+      Unless required by applicable law or agreed to in writing, software
+      distributed under the License is distributed on an "AS IS" BASIS,
+      WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+      See the License for the specific language governing permissions and
+      limitations under the License.
+    
+    </legalnotice>
+
+    <title>ASN.1</title>
+    <prepared>Kenneth Lundin</prepared>
+    <docno></docno>
+    <date>1999-03-25</date>
+    <rev>D</rev>
+    <file>asn1_overview.xml</file>
+  </header>
+
+<section>
+  <title>Introduction</title>
+
+      <p>ASN.1 is a formal language for
+      describing data structures to be exchanged between distributed
+      computer systems. The purpose of ASN.1 is to have a platform
+      and programming language independent notation to express types
+      using a standardized set of rules for the transformation of
+      values of a defined type into a stream of bytes. This stream of
+      bytes can then be sent on any type of communication
+      channel. This way, two applications written in different
+      programming languages running on different computers, and with
+      different internal representation of data, can exchange instances
+      of structured data types.</p>
+
+</section>
+</chapter>
+