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--><!--#set var="title" value="What's New at The W3C Markup Validation Service"
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    <h2>News for the W3C Markup Validator</h2>
    <div class="intro">
      <p>
        This page lists recent changes to <a href="./">the <acronym
          title="World Wide Web Consortium">W3C</acronym> Markup Validation
            Service</a>. For minor changes and bug fixes that aren't listed on this
        page, see <a href="http://dev.w3.org/cvsweb/validator/">the
          <acronym title="Concurrent Versions System">CVS</acronym> log</a>.
      </p>
      <p>
        News for this service are also available as <a href="whatsnew.atom">an ATOM feed</a>.
      </p>
    </div>
    <dl id="news">
      <dt id="t2007-08-08">2007-08-08 &mdash; 0.8.1 Release:</dt>
      <dd>
        <p>The 0.8.1 release of the W3C Markup Validator is a bug fix 
          release, addressing the following issues:</p>
        <ul>
          <li>Bug Fix: changed set up of parser responsible for checking XML 
            well-formedness, which would retrieve schemas for entities 
            each time the validator would run.</li>
          <li>Bug Fix: the validator would incorrectly complain about HTML/XML 
            named entities (such as &amp;copy;).</li>
          <li>Bug Fix: fixing <a href="docs/users.html#Calling">referer checking</a> 
            when running with Apache and mod_perl2.</li>
          <li>Bug Fix: the validator would crash when called from browsers with rare language preference settings</li>
          <li>… and small performance and code cleanup fixes</li>
  
        </ul>      
      </dd>

      <dt id="t2007-07-25">2007-07-25 &mdash; 0.8.0 Release:</dt>
      <dd>
        <p>
          Releasing version 0.8.0 of the W3C Markup Validator,
          a major milestone in the development of the  
          validator, including changes in its architecture, UI, new features  
          and fewer bugs, for a better, more accurate and helpful quality  
          process.
        </p>
        <p>This release includes all the changes and bug reports of the 
          <a href="#t2007-04-19">0.8.0 Beta 1</a> and
          <a href="#t2007-06-01">0.8.0 Beta 2</a>.
        </p>
      </dd>
      <dt id="t2007-06-01">2007-06-01 &mdash; 0.8.0 Beta 2:</dt>
      <dd>
        <p>
          Testing the second beta revision of the validator version 0.8.0. This new version
          builds upon the <a href="#t2007-04-19">0.8.0 Beta 1</a>, and adds bug fixes, documentation
          updates and a polished UI with improved style and interaction. Changes include:
        </p>
          <ul>
            <li>Revised main UI. Cleaner design. Improved tabbing between validation methods. Adding toggled option visibility</li>
            <li>Bug Fix: Fixing transcoding issues, encoding of source display</li>
            <li>Bug Fix: For XML document types, not reporting xmlns:* attributes as an error</li>
            <li>New Feature: Adding error message id to the SOAP API, error context (source snippet), added error message explanation</li>
            <li>Bug Fix: Fixed fatal error display in SOAP API</li>
            <li>Bug Fix: Fixed line number display in case of broken encoding</li>
            <li>Usability: more usable fatal error displays, removed "reset form" button, rewordings, error message explanations...</li>
            <li>Bug Fix: Fixed outline for non-xml document types</li>
            <li>New FEature: Added support for XHTML + RDFa</li>
            <li>New Feature: For non-xhtml XML documents without document type, 
              the validator will not try to perform validation and will only check well-formedness</li>
            <li>code cleanup, other bug fixes</li>
          </ul>
          <p><strong>Participate in this Beta Test</strong>! 
            Read the <a href="http://lists.w3.org/Archives/Public/www-validator/2007Jun/0002.html">Instructions</a> and start testing.</p>
      </dd>
        <dt id="t2007-04-19">2007-04-19 &mdash; 0.8.0 Beta 1:</dt>
        <dd>
          <p>Testing version 0.8.0 Beta #1 of the Markup Validator; a new version including
            important changes in architecture, performance, reliability of validation for XML-based languages,
            improvements to the User Interface, and a number of new features. Changes include:</p>
          <ul>
            <li>New architecture, faster and more reliable, scaling better to the growing usage of the validator</li>
            <li>Improved interface for better usability, accessibility</li>
            <li>New feature: automatic cleanup of markup (with Tidy)</li>
            <li>New feature: additional XML-Well-Formedness check, for more reliable validation of XML-based languages</li>
            <li>Back by popular demand: document outline feature</li>
            <li>New feature: checking that the documents are sent with proper Internet Media Type (MIME type)</li>
            <li>New feature: for XML documents, checking that the xmlns is present, and properly set.</li>
            <li>New feature: grouped messages, an alternate view to the sequential display of errors</li>
            <li>New feature: Direct Input validation can check full documents AND HTML fragments</li>
            <li>Added support for SMIL 2.1, XHTML Basic 1.1</li>
            <li>Bug fixes</li>
          </ul>
        </dd>
        <dt id="t2006-11-14">2006-11-14 &mdash; 0.7.4 Release:</dt>
        <dd>
          <p>Releasing version 0.7.4 of the W3C Markup Validator,
              a maintenance release including bug fixes and documentation updates.</p>
          <p>Changes include:</p>
          <ul>
              <li>Bug fixes to the validator's <a href="docs/api.html">API</a> </li>
              <li>The proprietary XML output format is (still) deprecated, and will be removed in version 0.8.0</li>
              <li>The outline feature, broken in version 0.7.3, is back.</li>
              <li>Local installations of the validator can be configured to enable, or disable, the API</li>
              <li>"<a href="http://www.w3.org/QA/Tools/Icons">Validation icons</a>" are now available 
                  in two colors and 4 file formats, including <acronym title="Portable Network Graphics">PNG</acronym>
                  and <acronym title="Scalable Vector Graphics">SVG</acronym></li>
              <li>Documentation updates</li>
          </ul>
        </dd>
      
      <dt id="t2006-10-23">2006-10-23 &mdash; 0.7.3 Release:</dt>
      <dd>
        <p>Releasing version 0.7.3 of the W3C Markup Validator,
            a maintenance release including fixes, updates, and includes an 
            experimental API to interface the validator with other programs and services.</p>
        <p>Changes include:</p>
        <ul>
            <li>A new (experimental) <a href="docs/api.html">Web Services API</a> </li>
            <li>The proprietary (and experimental) XML output format is deprecated</li>
            <li>New Document type supported: XHTML-Print</li>
            <li>New Character Encoding supported ISO-8859-11 (Thai)</li>
            <li>Usability fix: better error messages for documents with no character encoding
                declared, and for which the encoding fallback fails</li>
            <li>HTTP Fix: Be more lenient about whitespace and linefeeds in Content-Type</li>
            <li>Usability Fix: Adding the possibility of Doctype Override for SVG Document Types</li>
            <li>Compatibility Fix for OpenSP 1.5.2</li>
            <li>documentation updates and improvements</li>
            <li>Improved Feedback mechanisms</li>
        </ul>
      </dd>
      
      <dt id="t2006-02-20">2006-02-20 &mdash; 0.7.2 Release:</dt>
      <dd>
        <p>
          Releasing version 0.7.2 of the Markup Validator, a maintenance release 
          including minor fixes as described below:
        </p>
<ul>
<li> update for compatibility with new version of Config::General module</li>
<li> fixed the recognized root element for XHTML 1.1 plus MathML 2.0 (plus SVG)</li>
<li> avoid Text::Wrap error with deeply nested documents</li>
<li> documentation fixes (typos, broken link)</li>
<li> avoid trailing comma in failed validation results if number of errors is unknown</li>
<li> consistency fixes for character encoding selection</li>
<li>fixed support for iso-8859-3 and iso-8859-4 encodings, added support for iso-ir-111</li>
</ul>

      </dd>
       <dt id="t2005-10-18">2005-10-18 &mdash; 0.7.1 Release:</dt>
      <dd>
        <p>
          Releasing version 0.7.1 of the Markup Validator, a maintenance release 
          introducing performance enhancements and including minor 
          <a href="http://www.w3.org/Bugs/Public/buglist.cgi?bug_id=1809%2C+1833%2C+1839%2C+1845">fixes</a>
          in the user interface and in the "Direct Input" validation results.
        </p>
      </dd>
      
      <dt id="t2005-08-08">2005-08-08 &mdash; 0.7.0 Release:</dt>
      <dd>
        <p>
          Stable release including all the fixes and improvements made in consecutive 
          beta versions <a href="#t2005-07-28">0.7.0 Beta #2</a> and 
          <a href="#t2005-07-12">0.7.0 Beta #1</a>.
        </p>
      </dd>
      <dt id="t2005-07-28">2005-07-28 &mdash; 0.7.0 Beta #2:</dt>
      <dd>
        <p>
          Testing version 0.7.0 Beta #2 of the Markup Validator, the second phase
          of beta test of a new version, including the results of feedback
          during the  <a href="#t2005-07-12">first phase</a> of beta testing.
        </p>
        <p>
          Most bugs and issues resolved were recorded in <a href="http://www.w3.org/Bugs/Public/buglist.cgi?query_format=advanced&amp;bug_status=RESOLVED&amp;bug_status=VERIFIED&amp;bug_status=CLOSED&amp;bug_id=%2C941%2C1810%2C1815%2C1816%2C1819">our bugzilla database</a>. Changes from version <a href="#t2005-07-12">0.7.0 Beta#1</a> include:
        </p>
        <ul>
          <li>Improvements in the way the results and errors number is displayed, with a bug fix in error count.</li>
          <li>Bug fixes:
          <ul> 
            <li> The error number count in resuts now only counts errors, not warnings or other messages</li>
            <li> A missing entry in the SGML catalog was added</li>
            <li> The direct input interface now handles cases where no content is set properly</li>
          </ul></li>
	  <li>Running the validator under mod_perl is no longer supported</li>
          <li>Simplified configuration sample for an installation on the Apache Server</li>
          <li>Documentation updates</li>
        </ul>
      </dd>
      <dt id="t2005-07-12">2005-07-12 &mdash; 0.7.0 Beta #1:</dt>
      <dd>
        <p>
          Testing version 0.7.0 Beta #1 of the Markup Validator; a new version including
          small architectural changes, improvements to the User Interface, documentation
          and user-friendliness, as well as a number of bug fixes.</p>
        <p>Most bugs and issues resolved were recorded in <a href="http://www.w3.org/Bugs/Public/buglist.cgi?query_format=advanced&amp;bug_status=RESOLVED&amp;bug_status=VERIFIED&amp;bug_status=CLOSED&amp;bug_id=1184%2C1181%2C1161%2C1071%2C981%2C980%2C932%2C926%2C919%2C900%2C887%2C880%2C877%2C866%2C847%2C811%2C798%2C789%2C786%2C773%2C772%2C752%2C749%2C747%2C736%2C705%2C213%2C204%2C194%2C109%2C98%2C84%2C75%2C63%2C48%2C45">our bugzilla database</a>.
          Changes include:
        </p>
        <ul>
          <li>Templates for the XHTML output of validation results:
            <ul>
              <li>less inline markup</li>
              <li>easier for multi-format output</li>
              <li>getting close to the possibility of localization</li>
            </ul>
          </li>
          <li>Better <a href="feedback.html">feedback</a> mechanisms
            <ul>
              <li>Integration of the feedback page with validation results for better error message feedback</li>
              <li>The feedback page now allows direct search of the mailing-list and bug database</li>
            </ul>
          </li>
          <li>Additional and improved error messages explanations and documentation</li>
          <li>Variants of HTML2, MathML and SVG added to the bundled SGML and XML catalogs</li>
          <li>Better support for validation of non-W3C document types, including <em>custom DTDs</em></li>
          <li> User Interface and style changes for a user-friendlier experience, including 
            <ul>
              <li>New print stylesheet, handheld stylesheets</li>
              <li>Style differentiating errors, warnings and information in validation results</li>
            </ul>
          </li>
          <li>(re-)Added the possibility of validating markup by direct input</li>
          <li>Simplified configuration syntax (for local installations)</li>
          <li>Made easier to run on Windows platform (still needs testing and documentation)</li>
          <li>Global updates to the <a href="docs/">documentation</a></li>
          <li>Simplified, documented and checked the consistency of our usage of <a href="accesskeys.html">Access Keys</a></li>
        </ul>
      </dd>

      <dt id="t2004-07-23">2004-07-23 &mdash; 0.6.7 Release:</dt>
      <dd>
        <p> 
          A maintenance release that fixes a 
          <a href="http://www.w3.org/Bugs/Public/buglist.cgi?product=Validator&amp;target_milestone=0.6.7">few minor bugs</a>,
          improves authentication proxying, and makes some slight tweaks to the
          website style and markup.
        </p>
        <p>
          This version also more completely fixes the bug mentioned at the end
          of the previous version's release notes. See the <a
            href="#t2004-05-21">v0.6.6 release notes</a> for details.
        </p>
      </dd>
      <dt id="t2004-05-21">2004-05-21 &mdash; 0.6.6 Release:</dt>
      <dd>
        <p>
          A maintenance release that fixes a 
<a href="http://www.w3.org/Bugs/Public/buglist.cgi?product=Validator&amp;target_milestone=0.6.6">few minor bugs</a>, 
	  resurrects the
          whitespace-preserving source display, adds explanations for additional
          error messages, and makes some slight tweaks to the website style.
        </p>
        <p>
            This version also tentatively fixes a bug where, for Document Instances 
	    with a Document Type Name of "html", but with
            an incorrect Formal Public Identifier, the Validator would fall back
            to HTML 4.01 Transitional and, if no other errors were found,
            silently ignore the erroneous FPI.
        </p>
      </dd>
      <dt id="t2004-05-07">2004-05-07 &mdash; 0.6.5 Release:</dt>
      <dd>
        <p>
          Stable release including all the fixes and improvements made in
          consecutive beta versions <a href="#t2004-04-30">0.6.5 Beta #3</a>,
          <a href="#t2004-04-15">0.6.5 Beta #2</a>,
          <a href="#t2003-08-26">0.6.5 Beta #1</a>,
          <a href="http://lists.w3.org/Archives/Public/www-validator/2003Jun/0062.html">0.6.2 beta #2</a>,
      and <a href="http://lists.w3.org/Archives/Public/www-validator/2003May/0069.html">0.6.2 beta #1</a>
        </p>
      </dd>
      <dt id="t2004-04-30">2004-04-30 &mdash; 0.6.5 Beta #3:</dt>
      <dd>
        <p>
          Testing version 0.6.5 Beta #3 of the Markup Validator; an intermediary
          version including further layout, style and documentation improvements
          over version 0.6.5 Beta #2, based on discussion and comments during
          the testing phase of that version. Changes include:
        </p>
        <ul>
          <li>Simpler navigation system - removed the "links" navigation bar</li>
          <li>More consistent layout</li>
          <li>
            A few issues with the way some agents were dealing with our Style
            Sheets were fixed. Other minor style fixes were also applied.
          </li>
          <li>
            Cleanup of grammar issues and typos in a large part of the
            documentation.
          </li>
        </ul>
      </dd>

      <dt id="t2004-04-15">2004-04-15 &mdash; 0.6.5 Beta #2:</dt>
      <dd>
	<p>
	  Testing version 0.6.5 Beta #2 of the Markup Validator; an intermediary
	  version addressing comments received for the version 0.6.5 Beta #1
	  and adding significant User Interface and Documentation improvements.
	  Changes include:
	</p>
	<ul>
	  <li>More explanations for most of the validation error messages</li>
	  <li>New documentation on installing the Markup Validator locally</li> 
	  <li>The "fussy" parsing mode is no longer available and will be 
	  drastically improved before it comes back - if ever </li>
	  <li>The W3C Link Checker has now been spun off into a standalone product
	  and is no longer bundled with the Markup Validator</li>
	  <li>Stylesheets have been updated, with a more pleasant look</li>
	  <li>Easier navigation, more accessible documentation</li>
	  <li>More "Quality Tips" have been added</li>
	</ul>
      </dd>
      <dt id="t2003-08-26">2003-08-26 &mdash; 0.6.5 Beta #1:</dt>
      <dd>
        <p>
          Testing version 0.6.5 Beta #1 of the Markup Validator; an intermediary
          version addressing various issues and add requested features.
          Changes include:
        </p>
        <ul>
	  <li>Stylesheets updated to work around browser issues.</li>
          <li>Added a pointer to contributed <a href="source/#rpm">RPMs</a>
              courtesy of <a href="http://www.iki.fi/scop/">Ville Skytt&auml;</a>.</li>
          <li>Fixed broken links in Copyright statement.</li>
          <li>Added current version number in page headings.</li>
          <li>Detect proxies stripping the Referer header.</li>
          <li>Added "Comma Tools".</li>
          <li>Minor Accessibility fixes.</li>
          <li>A few new Webmaster Tips for the Tip of The Day.</li>
          <li>The Link Checker now sends Accept, and Accept-Language headers.</li>
          <li>The Link Checker supports more HTTP Status Codes.</li>
          <li>The documentation has seen much improvement.</li>
          <li>The RPM spec file is now available in the download.</li>
          <li>Update ISO-HTML DTD to TC1.</li>
          <li>Update SVG 1.0 DTD to current Errata.</li>
          <li>Added support for ISO-8859-16 Encoding.</li>
          <li>Added support for the data: URL scheme.</li>
          <li>The Link Checker in command-line mode now supports bundling of options.</li>
          <li>The Validator RPMs now try to integrate with the system catalog.</li>
          <li>
            Added options to make the DOCTYPE and Charset Override behave like
            Fallbacks. i.e. With these options enabled, the Override will only
            insert the relevant new value iff one was not already present.
          </li>
          <li>No longer treat missing DOCTYPE or Charset as a fatal error.</li>
          <li>Much improved error messages for several error situations.</li>
          <li>Updated and expanded error explanations.</li>
          <li>Use passive (PASV) FTP by default.</li>
          <li>Updated experimental mod_perl support to work with Apache/mod_perl 2.</li>
          <li>Added support for the Big5-HKSCS encoding.</li>
          <li>The MathML2 DTDs were updated to the 20030620 errata version.</li>
          <li>Add option to restrict access to private IP addresses.</li>
          <li>Added custom, inline, verbose error messages.</li>
          <li>Tweaked markup and style for source display.</li>
          <li>Tweaked markup and style for indicating position of error.</li>
          <li>Changes in output mandated by W3C Legal.</li>
          <li>Verbose output is now the default from the home page.</li>
          <li>
            Added new "fussy" parse mode (enabled by default from the home
            page) that should make it easier to locate SHORTTAGS-related
            problems (such as implied end tags).
          </li>
          <li>Valid Badge usage guidelines are now available.</li>
          <li>Various internal restructuring to make way for future (post-0.6.5) features.</li>
          <li>
            "/referer" is now deprecated in favor of "?uri=referer";
            this allows us to preserve additional options in referer links.
          </li>
        </ul>
      </dd>
      <dt id="t2002-12-01">2002-12-01 &mdash; 0.6.1 Release:</dt>
      <dd>
        <ul>
	  <li>	
	    Maintenance release to fix various minor issues reported against the
	    <a href="#t2002-11-26">November 26</a> release. Stylesheet updates,
	    ability to turn on Verbose output, and bug fixes.
          </li>
        </ul>
      </dd>
      <dt id="t2002-11-26">2002-11-26 &mdash; 0.6.0 Release:</dt>
      <dd>
        <ul>
          <li>Improved design of layout, including for Validation results.</li>
          <li>Added "beefed up" Tip-of-the-Day.</li>
          <li>Many accessibility fixes, both to the web site and the Result page.</li>
          <li>
	    Major internal restructuring. The code has undergone significant
            refactoring with many benefits. It is more readable and easier to
            understand, much more robust, much improved security, more modular,
            and performance should be significantly better. There is tentative
            support for running under mod_perl (leading to even greater
            performance enhancements) and memory consumption should be much
            improved.
	  </li>
          <li>
            Many new document types are supported and support for some
            existing document types has been improved. Notable changes
            and additions include:
            <ul>
              <li>Support for <code>application/xhtml+xml</code>.</li>
              <li>
                Support for <acronym
                  title="eXtensible HyperText Markup Language">XHTML</acronym>+<acronym
                  title="Math Markup Language">MathML</acronym> and <a
                  href="http://www.w3.org/TR/2002/WD-XHTMLplusMathMLplusSVG-20020809/"><acronym
                  title="eXtensible HyperText Markup Language">XHTML</acronym>+<acronym
                  title="Math Markup Language">MathML</acronym>+<acronym
                  title="Scalable Vector Graphics">SVG</acronym></a>.
              </li>
              <li>
                Support for <acronym
                  title="Scalable Vector Graphics"><a
                    href="http://www.w3.org/TR/SVG/">SVG</a></acronym> and
                <code>image/svg+xml</code>.
              </li>
	      <li>
                <a href="http://www.w3.org/TR/2002/REC-xhtml1-20020801/"><acronym
                  title="eXtensible HyperText Markup Language">XHTML</acronym>
                1.0 Second Edition</a> and <a href="http://www.w3.org/TR/xhtml11/"><acronym
                  title="eXtensible HyperText Markup Language">XHTML</acronym>
                1.1</a>.
              </li>
            </ul>
          </li>
          <li>Output has been reworked to be easier to understand.</li>
          <li>And a whole bunch of bugfixes... :-)</li>
        </ul>
      </dd>
      <dt id="t2001-10-06">2001-10-06:</dt>
      <dd>
        <ul>
          <li>Finished redesign and use consistent style for all pages..</li>
          <li>Added Tip-of-the-Day.</li>
        </ul>
      </dd>
      <dt id="t2001-09-24">2001-09-24:</dt>
      <dd>
        <ul>
          <li>Added experimental support for <acronym
          	title="Scalable Vector Graphics">SVG</acronym> 1.0.</li>
          <li>Added experimental support for <code>spec-prod</code> 2.0.</li>
          <li>...and several minor bug fixes.</li>
        </ul>
      </dd>
      <dt id="t2001-09-13">2001-09-13:</dt>
      <dd>
        <ul>
          <li>Added support for <acronym
          	title="eXtensible HyperText Markup Language">XHTML</acronym> 1.1 and
          	<acronym title="eXtensible HyperText Markup Language">XHTML</acronym>
          		Basic 1.0.</li>
          <li>Added experimental support for
            <abbr title="Mathematical Markup Language">MathML</abbr> 2.0.</li>
          <li>You can now tweak options from results page.</li>
          <li>Added option to override Character Encoding.</li>
          <li>Various bug fixes and minor changes.</li>
        </ul>
      </dd>
      <dt id="t2001-06-22">2001-06-22:</dt>
      <dd>
        <ul>
          <li>Various bug fixes; notably two related to the File Upload feature.</li>
          <li>Some changes to make local installations easier.</li>
          <li>Support for more Character Encodings (e.g. <code>ISO-8859-8-I</code>).</li>
          <li>Generally improved handling of Character Encodings.</li>
          <li>Documentation donated by Scott Bigham (Thanks Scott!).</li>
        </ul>
      </dd>
      <dt id="t2000-10-18">2000-10-18:</dt>
      <dd>
        <p>
          Added support for <a
          	href="http://purl.org/NET/ISO+IEC.15445/15445.html"><acronym
          		title="Internation Organization for Standardization">ISO</acronym>/<acronym
          		title="International Electrotechnical Commission">IEC</acronym> 15445:2000</a>
          (<acronym title="Internation Organization for Standardization">ISO</acronym>-<acronym title="HyperText Markup Language">HTML</acronym>).
          See also: <a href="http://purl.org/NET/ISO+IEC.15445/Users-Guide.html">User's
          Guide to <acronym title="Internation Organization for Standardization">ISO</acronym>-<acronym title="HyperText Markup Language">HTML</acronym></a>.
        </p>
      </dd>
      <dt id="t2000-06-30">2000-06-30:</dt>
      <dd>
        <p>
          The service now checks <acronym
          	title="eXtensible HyperText Markup Language">XHTML</acronym> documents
          	for validity as well as <acronym
          		title="eXtensible Markup Language">XML</acronym> well-formedness.
        </p>
      </dd>
      <dt id="t2000-04-28">2000-04-28:</dt>
      <dd>
        <p>
          Added the <a href="file-upload.html">file upload</a> feature.
        </p>
        <p>
          Created the <a href="http://lists.w3.org/Archives/Public/www-validator-cvs/">www-validator-cvs
          mailing list</a>.
        </p>
        <p>
          Updated the <a href="./">home page</a>, moved some things to
          <a href="about.html">another page</a>.
        </p>
      </dd>
      <dt id="t2000-01-26">2000-01-26:</dt>
      <dd>
        <p>
          Updated the <acronym title="Document Type Definitions">DTDs</acronym>
          and added <a href="images/">icons</a> for
          <a href="http://www.w3.org/TR/2000/REC-xhtml1-20000126/"><acronym title="eXtensible HyperText Markup Language">XHTML</acronym> 1.0</a>,
          <a href="http://www.w3.org/TR/1999/REC-html401-19991224/"><acronym
            title="HyperText Markup Language">HTML</acronym> 4.01</a>.
        </p>
      </dd>
      <dt id="t1999-08-24">1999-08-24:</dt>
      <dd>
        <p>
          Added the <acronym title="Document Type Definitions">DTDs</acronym>
          for <a href="http://www.w3.org/TR/1999/PR-html40-19990824/">
          <acronym title="HyperText Markup Language">HTML</acronym> 4.01</a>.
        </p>
        <p>
          Updated the <acronym title="Document Type Definitions">DTDs</acronym>
          for <a href="http://www.w3.org/TR/1999/PR-xhtml1-19990824/"><acronym
          title="eXtensible HyperText Markup Language">XHTML</acronym> 1.0</a>.
        </p>
      </dd>
      <dt id="t1999-04-08">1999-04-08:</dt>
      <dd>
        <p>
          Added username/password proxying for validation of documents protected
          by HTTP Basic Authentication, thanks to patches from
          <a href="http://www.w3.org/People/Renaud/">Renaud Bruyeron</a>. (see
          <a href="http://dev.w3.org/cvsweb/validator/httpd/cgi-bin/check.diff?r1=text&amp;tr1=1.16&amp;r2=text&amp;tr2=1.18&amp;f=h">the
          changes</a>)
        </p>
        <p>
          This revision also includes patches to use the Perl5 version
          of libwww-perl, <a href="http://www.linpro.no/lwp/">LWP</a>.
        </p>
      </dd>
      <dt id="t1999-03-04">1999-03-04:</dt>
      <dd>
        <p>
          Added support for <a href="http://www.w3.org/MarkUp/#xhtml1"><acronym
           title="eXtensible HyperText Markup Language">XHTML</acronym></a>,
          using the <acronym title="Document Type Definitions">DTDs</acronym>
          from <a href="http://www.w3.org/TR/1999/WD-html-in-xml-19990304/">the
          19990304 working draft</a>. (see <a href="http://dev.w3.org/cvsweb/validator/httpd/cgi-bin/check.diff?r1=text&amp;tr1=1.13&amp;r2=text&amp;tr2=1.16&amp;f=h">the changes</a>)
        </p>
      </dd>
      <dt id="t1999-02-25">1999-02-25:</dt>
      <dd>
        <p>
          Added support for <code>ISO-2022-JP</code> and <code>Shift_JIS</code>
          character encodings.
          Thanks to <a href="http://www.w3.org/People/asada/">Takuya
          Asada</a>, <a href="http://www.w3.org/People/mimasa/">Masayasu
          Ishikawa</a>, and <a href="http://www.w3.org/People/D%C3%BCrst/">Martin
          D&uuml;rst</a> for their patches and advice.
        </p>
        <p>
          Updated the SGML declaration according to the
          <a href="http://www.w3.org/MarkUp/html40-updates/REC-html40-19980424-errata.html">
          <acronym title="HyperText Markup Language">HTML</acronym>
          4.0 spec errata</a>. (see <a href="http://dev.w3.org/cvsweb/validator/htdocs/sgml-lib/REC-html40-971218/Attic/HTML4.decl?r1=1.1&amp;r2=1.2">the
          changes</a>).
        </p>
      </dd>
      <dt id="t1998-08-26">1998-08-26:</dt>
      <dd>
        <p>
          Put a tarred and gzipped version of the SGML library files (<acronym
          title="Document Type Definitions">DTDs</acronym> etc.) on the
          Web.
        </p>
      </dd>
      <dt id="t1998-08-05">1998-08-05:</dt>
      <dd>
        <p>Posted some new documents on the Web:</p>
        <ul>
          <li><a href="source/">information on the source code</a></li>
          <li><a href="todo.html">the to-do list for the service</a></li>
          <li>
            <a href="feedback.html">a page explaining how to give feedback</a>
            (including information on the new <a href="http://lists.w3.org/Archives/Public/www-validator/">www-validator
            mailing list</a>)
          </li>
        </ul>
      </dd>
      <dt id="t1998-07-24">1998-07-24:</dt>
      <dd>
        <p>
          Made the <a href="source/">source code</a>
          available via <a href="http://dev.w3.org/cvsweb/"><acronym
          title="World Wide Web Consortium">W3C</acronym>'s public <acronym
          title="Concurrent Versions System">CVS</acronym> tree</a>.
        </p>
        <p>
          Upgraded the HTTP server to <a href="http://www.apache.org/">Apache
          1.3.1.</a>
        </p>
      </dd>
      <dt id="t1998-06-19">1998-06-19:</dt>
      <dd>
        <p>
          Added a page about <a href="about.html">the hardware/network
          behind this service</a>.
        </p>
      </dd>
      <dt id="t1998-04-20">1998-04-20:</dt>
      <dd>
        <p>
          Added support for a parameter to check the referring Web page for
          mistakes. To use it, just link to the following URL when linking to
          the service &lt;<a href="http://validator.w3.org/check/referer">http://validator.w3.org/check/referer</a>&gt;
          (you can try the link to see how it works).
        </p>
      </dd>
      <dt id="t1997-12-18">1997-12-18:</dt>
      <dd>
        <p>
          Updated <acronym title="HyperText Markup Language">HTML</acronym> 4.0
          materials to match the
          <a href="http://www.w3.org/TR/REC-html40/"><acronym
          	title="HyperText Markup Language">HTML</acronym> 4.0 Recommendation</a>.
        </p>
      </dd>
    </dl>
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