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<!--#set var="revision" value="\$Id: index.html,v 1.31 2004-07-21 15:07:26 link Exp $"
--><!--#set var="date" value="\$Date: 2004-07-21 15:07:26 $"
--><!--#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">RPM package</a></li>
<li><a href="#deb">Debian 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?only_with_tag=validator-0_6_0-branch">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?only_with_tag=validator-0_6_0-branch">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>
(~266kB) and <a href="http://validator.w3.org/sgml-lib.tar.gz">the <acronym
title="Document Type Definitions">DTDs</acronym></a> (~3.2MB).
</p>
<h4><a id="rpm" name="rpm"></a>RPM package</h4>
<p>
RPM packages are available, courtesy of Ville Skyttä, at
Fedora Extras,
<<a href="http://www.fedora.us/">http://www.fedora.us/</a>>.
</p>
<p>
The RPMs have only been tested on
<a href="http://fedora.redhat.com/">Fedora</a> Core 1 and 2,
but should be adaptable to other RPM based systems.
</p>
<p>
Note that the Validator RPMs have several dependencies, you'll
have to get at least the following RPMs from Fedora Extras (other
dependencies are included in the Fedora Core distribution):
</p>
<ul>
<li>w3c-markup-validator</li>
<li>w3c-markup-validator-libs</li>
<li>perl-Config-General</li>
<li>perl-Net-IP</li>
<li>perl-Set-IntSpan</li>
<li>perl-Text-Iconv</li>
</ul>
<p>
In addition, each of these may have further dependencies that must
be satisfied. All the necessary RPMs are either included in
the Fedora Core distribution(s) or are available from
<a href="http://www.fedora.us/">Fedora Extras</a>.
Use of an automated package management tool to install the
packages, such as apt, up2date or yum is <em>strongly</em>
recommended. See the Fedora Extras documentation for information
about getting and configuring these tools.
</p>
<h4><a name="deb" id="deb"></a>Debian package</h4>
<p>
A Debian package is available, courtesy of Frédéric
Schütz. The latest version is available for the Debian Woody
(current stable), Sarge (current testing) or Sid (unstable)
distributions at
<<a href="http://www.mathgen.ch/debian/">http://www.mathgen.ch/debian/</a>>.
If you want to use the <kbd>apt-get</kbd> command, add the line
<kbd>deb http://www.mathgen.ch/debian/woody ./</kbd>
in the /etc/apt/sources.list file (replace woody by testing or sid
if you use another distribution). All dependencies that are not
part of the standard Debian archive are provided at the same
address, and running the command <kbd>apt-get install
w3c-markup-validator</kbd> as root will install all the packages
needed.
</p>
<p>
If you are using the Debian Testing or Unstable distribution, the
package is already included in the offical archive and you can
directly use the <kbd>apt-get</kbd> command if your
/etc/apt/sources.list file is correctly configured.
</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.cvshome.org/">CVS</a>;
this is the tool we use for revision control and is generally
a good thing to get to know. <a
href="http://www.loria.fr/~molli/cvs-index.html">More
information on CVS</a> is available courtesy of <a
href="http://www.loria.fr/~molli/">Pascal Molli</a>.
</p>
<p>
Our CVS base is available read-only, using CVS pserver
authentication a la:
</p>
<pre>
bash$ <kbd>export CVSROOT=":pserver:anonymous@dev.w3.org:/sources/public"</kbd>
bash$ <kbd>cvs login</kbd>
(Logging in to anonymous@dev.w3.org)
CVS password: <kbd>anonymous</kbd>
bash$ <kbd>cvs get -r validator-0_6_6-release validator</kbd>
cvs server: Updating validator
cvs server: Updating validator/htdocs
U validator/htdocs/about.html
...
</pre>
<p>
This will get you the current release version. For intermediate
updates, use the <code>validator-0_6_0-branch</code> branch tag
instead. Major new development is done in <code>HEAD</code> and
the trunk is more or less guaranteed to be in a state of greater
or lesser breakage at any given point in time. <em>Approach with
caution!</em>
</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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