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<!--#set var="revision" value="\$Id: index.html,v 1.47 2007-04-24 19:59:13 ville Exp $"
--><!--#set var="date" value="\$Date: 2007-04-24 19:59:13 $"
--><!--#set var="title" value="Source Code Availability for The W3C Markup Validation Service"
--><!--#set var="relroot" value="../"
--><!--#include virtual="../header.html" -->
<div class="doc">
<h2>Source code availability<br />for the W3C Markup Validator</h2>
<h3 id="TableOfContents">Table of Contents</h3>
<div id="toc">
<ul>
<li><a href="#getting">Retrieving and browsing the Code</a>
<ul>
<li><a href="#browse">Browsing the code</a></li>
<li><a href="#tarball">Download tarballs</a></li>
<li><a href="#rpm">Fedora/Red Hat RPM package</a></li>
<li><a href="#suse">openSUSE/SUSE Linux RPM package</a></li>
<li><a href="#deb">Debian GNU/Linux package</a></li>
<li><a href="#CVS">CVS repository</a></li>
</ul>
</li>
<li><a href="#using">Using the code</a></li>
</ul>
</div>
<h3><a name="getting" id="getting"></a>Retrieving and browsing the Code</h3>
<p><a id="skip" name="skip"></a>
The source code for the <a href="../"><acronym title="World Wide Web Consortium">W3C</acronym>
Markup Validation Service</a> is available under the terms of the <a
href="http://www.w3.org/Consortium/Legal/copyright-software"><acronym
title="World Wide Web Consortium">W3C</acronym>
Software License</a>. Source tarball of the latest production
version is always available at
<<a href="http://validator.w3.org/validator.tar.gz">http://validator.w3.org/validator.tar.gz</a>>.
Development code is only available from CVS.
</p>
<h4><a id="browse" name="browse"></a>Browsing the code</h4>
<p>
If you just want to glance at the code, or see its revision
history, you can
<a href="http://dev.w3.org/cvsweb/validator/">browse it on
the web</a>.
</p>
<p>
The most interesting files are currently
<a href="http://dev.w3.org/cvsweb/validator/httpd/cgi-bin/check">a
CGI script called "check"</a> that does pretty much everything,
and possibly also <a
href="http://dev.w3.org/cvsweb/validator/httpd/conf/httpd.conf">the
httpd.conf configuration file snippet for Apache</a>.
Select the topmost revision numbers on these
pages to see the most recent revision of each file.
</p>
<p>
If you just want to glance at the code, or see its revision
history, you can
<a href="http://dev.w3.org/cvsweb/validator/">browse it on
the web</a>.
</p>
<p>
The most interesting files are currently
<a href="http://dev.w3.org/cvsweb/validator/httpd/cgi-bin/check">a
CGI script called "check"</a> that does pretty much everything,
and possibly also <a
href="http://dev.w3.org/cvsweb/validator/httpd/conf/httpd.conf">the
httpd.conf configuration file snippet for Apache</a>.
Select the topmost revision numbers on these
pages to see the most recent revision of each file.
</p>
<h4><a id="tarball" name="tarball"></a>Download the code in tarballs</h4>
<p>
If you want a copy of all the files that make up the service, you
can download a tarball of <a href="http://validator.w3.org/validator.tar.gz">the code</a>
(~300kB) and <a href="http://validator.w3.org/sgml-lib.tar.gz">the <acronym
title="Document Type Definitions">DTDs</acronym></a> (~500kB).
</p>
<h4><a id="rpm" name="rpm"></a>Fedora/Red Hat RPM package</h4>
<p>
Fedora/Red Hat RPM packages of the validator are available,
courtesy of Ville Skyttä, at Fedora Project,
<<a href="http://fedoraproject.org/">http://fedoraproject.org/</a>>.
The name of the validator package is <tt>w3c-markup-validator</tt>,
use the standard automated package management tools of the
distribution (such as yum) to install it along with its
dependencies.
</p>
<p>
In addition to different Fedora versions, the RPMs
should be adaptable to other RPM based systems.
</p>
<h4><a id="suse" name="suse"></a>openSUSE/SUSE Linux RPM package</h4>
<p>
openSUSE/SUSE Linux RPM packages are available, courtesy of Sierk
Bornemann, at sierkbornemann.de,
<<a href="http://sierkbornemann.de/pub/tools/w3c-markup-validator/">http://sierkbornemann.de/pub/tools/w3c-markup-validator/</a>>.
Additionally, you can also get these packages from the new
<a href="http://software.opensuse.org/">software repository of the openSUSE build service</a> at
<<a href="http://software.opensuse.org/download/validators/">http://software.opensuse.org/download/validators/</a>>
or one of its mirrors.
</p>
<p>
The RPM packages, maintained by Sierk Bornemann, are optimized for use in
a local network (running in a VirtualHost is recommended) for home
office or web agency use.
</p>
<p>
Note that the Validator RPMs have several dependencies, you'll
have to satisfy them.
You can get these RPMs from openSUSE (other dependencies are included
in the openSUSE distribution) or partly from
sierkbornemann.de.
</p>
<p>
In addition, each of these may have further dependencies that must
be satisfied. All the necessary RPMs are either included in
the openSUSE distribution or are additionally available at
<a href="http://sierkbornemann.de/pub/tools/w3c-markup-validator/perl-modules/">sierkbornemann.de</a> or at
<<a href="http://software.opensuse.org/download/validators/">http://software.opensuse.org/download/validators/</a>>
or one of its mirrors.
Use of an automated package management tool to install the
packages, such as <em>YaST</em>, <em>rug</em>, <em>y2pmsh</em>, <em>smart</em>,
<em>apt4rpm</em> or <em>yum</em> is recommended.
See the openSUSE
<a href="http://en.opensuse.org/Category:Package_Management">documentation</a>
for information about configuring these tools.
</p>
<h4><a name="deb" id="deb"></a>Debian GNU/Linux package</h4>
<p>
A Debian package is available, courtesy of Frédéric
Schütz.
</p>
<p>
Starting with Debian 3.1 ("Sarge"), the package and all its
dependencies are included in the official Debian distribution, and
can be installed by running the command <kbd>apt-get install
w3c-markup-validator</kbd> as root.
</p>
<p>
Debian 4.0 ("Etch") includes version 0.7.4 of the validator; the
Debian Testing and Unstable distributions usually include the latest
version.
</p>
<h4><a id="CVS" name="CVS"></a>CVS repository</h4>
<p>
If you intend to actively mirror the code and/or contribute
patches to the code, you should install and become familiar
with <a href="http://www.nongnu.org/cvs/">CVS</a>;
this is the tool we use for revision control and is generally
a good thing to <a href="http://ximbiot.com/cvs/manual/">get to
know</a>.
</p>
<p>For instructions on how to retrieve the code using CVS,
see our <a href="http://dev.w3.org/cvsweb/validator/">web-based interface to the repository.</a>
</p>
<h3><a id="using" name="using"></a>Using the code</h3>
<p>
The purpose of making the source code available is partly to allow
others to set up mirrors of the service (either publicly or within
an intranet behind a firewall), but also to allow us to collaborate
on making the service better! If you are interested in helping with
the development, we suggest you first <a href="../docs/install.html">install</a>
the code and <a href="../docs/devel.html">read our instructions for developers</a>.
</p>
</div>
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