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https://svn.apache.org/repos/asf/poi/trunk ........ r690404 | josh | 2008-08-29 23:08:42 +0100 (Fri, 29 Aug 2008) | 1 line Clean-up toString() and inner class ........ r690411 | josh | 2008-08-29 23:21:10 +0100 (Fri, 29 Aug 2008) | 1 line Added ArrayRecord and CellRangeAddress8Bit ........ r690461 | josh | 2008-08-30 05:34:01 +0100 (Sat, 30 Aug 2008) | 1 line Fixed decoding of operand class for ArrayPtg ........ r690517 | nick | 2008-08-30 15:47:33 +0100 (Sat, 30 Aug 2008) | 1 line Various bug fixes, and hpbf updates ........ git-svn-id: https://svn.apache.org/repos/asf/poi/branches/ooxml@690533 13f79535-47bb-0310-9956-ffa450edef68
211 lines
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211 lines
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<!--
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====================================================================
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Licensed to the Apache Software Foundation (ASF) under one or more
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contributor license agreements. See the NOTICE file distributed with
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this work for additional information regarding copyright ownership.
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The ASF licenses this file to You under the Apache License, Version 2.0
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(the "License"); you may not use this file except in compliance with
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the License. You may obtain a copy of the License at
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http://www.apache.org/licenses/LICENSE-2.0
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Unless required by applicable law or agreed to in writing, software
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distributed under the License is distributed on an "AS IS" BASIS,
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WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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See the License for the specific language governing permissions and
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limitations under the License.
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====================================================================
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-->
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<!DOCTYPE document PUBLIC "-//APACHE//DTD Documentation V1.3//EN" "./dtd/document-v13.dtd">
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<document>
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<header>
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<title>Apache POI - Java API To Access Microsoft Format Files</title>
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<authors>
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<person id="AO" name="Andrew C. Oliver" email="acoliver@apache.org"/>
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<person id="GJS" name="Glen Stampoultzis" email="user@poi.apache.org"/>
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<person id="AS" name="Avik Sengupta" email="user@poi.apache.org"/>
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<person id="RK" name="Rainer Klute" email="klute@apache.org"/>
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</authors>
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</header>
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<body>
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<section><title>POI 3.5.1 beta 1, and Office Open XML Support (2008-07-18)</title>
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<p>We are currently working to support the new Office Open XML
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file formats, such as XLSX and PPTX, which were introduced in
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Office 2007.</p>
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<p>Development for this is in a svn branch, but we are please to
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announce our first preview release containing this support.
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Users interested in the OOXML support should download the
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<link href="http://www.apache.org/dyn/closer.cgi/poi/dev/">POI 3.5.1 beta 1</link>
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the source and binaries from their
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<link href="http://www.apache.org/dyn/closer.cgi/poi/dev/">local mirror</link>.
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People interested should also follow the
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<link href="mailinglists.html">dev list</link> to track progress.</p>
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</section>
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<section><title>POI 3.1-FINAL Released (2008-06-29)</title>
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<p>
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The POI team is pleased to announce the release of 3.1 FINAL, the latest release of Apache POI.
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There have been many important bug fixes since the 3.0.2 release and a lot of new features.
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</p><p> A full list of changes is available in
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<link href="./changes.html">the changelog</link>, and
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<link href="http://www.apache.org/dyn/closer.cgi/poi/release/">download</link>
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the source and binaries from your
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<link href="http://www.apache.org/dyn/closer.cgi/poi/release/">local mirror</link>.
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</p>
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<p>
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The release is also available from the central Maven repository
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under Group ID "org.apache.poi" and Version "3.1-FINAL".
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</p>
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</section>
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<section><title>Purpose</title>
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<p>
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The POI project consists of APIs for manipulating various file formats
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based upon Microsoft's OLE 2 Compound Document format, and Office OpenXML format, using
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pure Java. In short, you can read and write MS Excel files using Java. In addition,
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you can read and write MS Word and MS PowerPoint files using Java. POI is your Java Excel
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solution (for Excel 97-2007). However, we have a complete API for porting other OLE 2
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Compound Document formats and welcome others to participate.
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</p>
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<p>
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OLE 2 Compound Document Format based files include most Microsoft Office
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files such as XLS and DOC as well as MFC serialization API based file formats.
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</p>
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<p>
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Office OpenXML Format based files include the new (2007+) xml based file formats,
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including Microsoft office files such as XLSX, DOCX and PPTX.
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</p>
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<p>
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As a general policy we try to collaborate as much as possible with other projects to
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provide this functionality. Examples include: <link href="http://xml.apache.org/cocoon">Cocoon</link> for
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which there are serializers for HSSF;
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<link href="http://www.openoffice.org">Open Office.org</link> with whom we collaborate in documenting the
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XLS format; and <link href="http://lucene.apache.org/">Lucene</link>
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for which we provide format interpretors. When practical, we donate
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components directly to those projects for POI-enabling them.
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</p>
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<section><title>Why/when would I use POI?</title>
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<p>
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We'll tackle this on a component level. POI refers to the whole project.
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</p>
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<p>
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So why should you use POIFS, HSSF or XSSF?
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</p>
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<p>
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You'd use POIFS if you had a document written in OLE 2 Compound Document Format, probably written using
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MFC, that you needed to read in Java. Alternatively, you'd use POIFS to write OLE 2 Compound Document Format
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if you needed to inter-operate with software running on the Windows platform. We are not just bragging when
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we say that POIFS is the most complete and correct implementation of this file format to date!
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</p>
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<p>
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You'd use HSSF if you needed to read or write an Excel file using Java (XLS). You'd use
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XSSF if you need to read or write an OOXML Excel file using Java (XLSX). The combined
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SS interface allows you to easily read and write all kinds of Excel files (XLS and XLSX)
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using Java.
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</p>
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</section>
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</section>
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<section><title>Components To Date</title>
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<section><title>Overview</title>
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<p>The following are components of the entire POI project and a brief
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summary of their purpose.</p>
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</section>
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<section><title>POIFS for OLE 2 Documents</title>
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<p>POIFS is the oldest and most stable part of the project. It is our port of the OLE 2 Compound Document Format to
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pure Java. It supports both read and write functionality. All of our components ultimately rely on it by
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definition. Please see <link href="./poifs/index.html">the POIFS project page</link> for more information.</p>
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</section>
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<section><title>HSSF and XSSF for Excel Documents</title>
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<p>HSSF is our port of the Microsoft Excel 97(-2007) file format (BIFF8) to pure
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Java. XSSF is our port of the Microsoft Excel XML (2007+) file format (OOXML) to
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pure Java. They both supports read and write capability. Please see
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<link href="./spreadsheet/index.html">the HSSF+XSSF project page</link> for more
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information.</p>
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</section>
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<section><title>HWPF for Word Documents</title>
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<p>HWPF is our port of the Microsoft Word 97 file format to pure
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Java. It supports read, and limited write capabilities. Please see <link
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href="./hwpf/index.html">the HWPF project page for more
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information</link>. This component is in the early stages of
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development. It can already read and write simple files.</p>
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<p>Presently we are looking for a contributor to foster the HWPF
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development. Jump in!</p>
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</section>
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<section><title>HSLF for PowerPoint Documents</title>
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<p>HSLF is our port of the Microsoft PowerPoint 97(-2003) file format to pure
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Java. It supports read and write capabilities. Please see <link
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href="./slideshow/index.html">the HSLF project page for more
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information</link>.</p>
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</section>
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<section><title>HPSF for Document Properties</title>
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<p>HPSF is our port of the OLE 2 property set format to pure
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Java. Property sets are mostly use to store a document's properties
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(title, author, date of last modification etc.), but they can be used
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for application-specific purposes as well.</p>
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<p>HPSF supports both reading and writing of properties.</p>
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<p>Please see <link href="./hpsf/index.html">the HPSF project
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page</link> for more information.</p>
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</section>
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<section><title>HDGF for Visio Documents</title>
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<p>HDGF is our port of the Microsoft Viso 97(-2003) file format to pure
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Java. It currently only supports reading at a very low level, and
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simple text extraction. Please see <link
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href="./hdgf/index.html">the HDGF project page for more
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information</link>.</p>
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</section>
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<section><title>HPBF for Publisher Documents</title>
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<p>HPBF is our port of the Microsoft Publisher 98(-2007) file format to pure
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Java. It currently only supports reading at a low level for around
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half of the file parts, and simple text extraction. Please see <link
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href="./hpbf/index.html">the HPBF project page for more
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information</link>.</p>
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</section>
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</section>
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<section><title>Contributing </title>
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<p>
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So you'd like to contribute to the project? Great! We need enthusiastic, hard-working, talented folks to help
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us on the project in several areas. The first is bug reports and feature requests! The second is documentation -
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we'll be at your every beck and call if you've got a critique or you'd like to contribute or otherwise improve
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the documentation. We could especially use some help documenting the HSSF file format! Last, but not least, we
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could use some binary crunching Java coders to chew through the complexity that characterizes Microsoft's file
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formats and help us port new ones to a superior Java platform!
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</p>
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<p>So if you're motivated, ready, and have the time, join the mail lists and we'll be happy to help you get started on the
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project!
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</p>
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</section>
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</body>
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<footer>
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<legal>
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Copyright (c) @year@ The Apache Software Foundation. All rights reserved.
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$Revision$ $Date$
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</legal>
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</footer>
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</document>
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