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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>Introduction</title>
+ <prepared></prepared>
+ <docno></docno>
+ <date></date>
+ <rev></rev>
+ <file>introduction.xml</file>
+ </header>
+
+ <section>
+ <title>Scope</title>
+ <p>Debugger is a graphical user interface for the Erlang
+ interpreter, which can be used for debugging and testing of
+ Erlang programs. For example, breakpoints can be set, code can be
+ single-stepped and variable values can be displayed and changed.
+ </p>
+
+ <p>The Erlang interpreter can also be accessed through the interface
+ module <seealso marker="int"><c>int(3)</c></seealso>.
+ </p>
+
+ <warning>
+ <p>Debugger might at some point
+ start tracing on the processes that execute the interpreted
+ code. This means that a conflict occurs if tracing by other
+ means is started on any of these processes.</p>
+ </warning>
+ </section>
+
+ <section>
+ <title>Prerequisites</title>
+ <p>It is assumed that the reader is familiar with the Erlang
+ programming language.</p>
+ <p>Modules to be debugged must include debug information,
+ for example, <c>erlc +debug_info MODULE.erl</c>.</p>
+ </section>
+
+</chapter>
+
+