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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>
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