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      <div class="breadcrumb"><a href="/">Home</a> » <a href="/licenses">Licenses</a></div>

      <h1 property="dc:title">DocBook XML License</h1>
      <div style="display:none;"><code property="spdx:deprecated">false</code></div>
      <h2>Full name</h2>
          <p style="margin-left: 20px;"><code property="spdx:name">DocBook XML License</code></p>

      <h2>Short identifier</h2>
          <p style="margin-left: 20px;"><code property="spdx:licenseId">DocBook-XML</code></p>

      <h2>Other web pages for this license</h2>
          <div style="margin-left: 20px;">
            <ul>
             <li>
               <a href="https://github.com/docbook/xslt10-stylesheets/blob/efd62655c11cc8773708df7a843613fa1e932bf8/xsl/COPYING#L27" rel="rdfs:seeAlso" isValid=true isLive=true isWayBackLink=false match=false timestamp=2025-07-01T15:05:53Z>https://github.com/docbook/xslt10-stylesheets/blob/efd62655c11cc8773708df7a843613fa1e932bf8/xsl/COPYING#L27</a>
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             </li>
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      <div property="spdx:isOsiApproved" style="display: none;">false</div>

      <h2 id="notes">Notes</h2>
          <p style="margin-left: 20px;">None</p>

      <h2 id="licenseText">Text</h2>
      
      <blockquote cite="https://spdx.github.io/spdx-spec/v2.3/license-matching-guidelines-and-templates/">
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		      Text in italicized blue is omittable (see <a href="https://spdx.github.io/spdx-spec/v2.3/license-matching-guidelines-and-templates/#b35-guideline-omittable-text">Matching Guidelines B.3.5</a>).
		      License or exception text will match to the text for the specified identifier if it either includes or excludes this omittable text.
			  <br/>
			  <br/>
			  Text in red is replaceable (see <a href="https://spdx.github.io/spdx-spec/v2.3/license-matching-guidelines-and-templates/#b34-guideline-replaceable-text">Matching Guidelines B.3.4</a>).
			  License or exception text will match to the text for the specified identifier if it includes a permitted variant of this replaceable text.
			  The permitted variants can be found in the corresponding regular expression as shown in title text visible by hovering over the red text.
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         <var class="replaceable-license-text"><span title="can be replaced with the pattern .{0,5000}"> 
            Copyright<br />

           <br />
 ---------<br />

           <br />
 Copyright (C) 1999-2007 Norman Walsh
           <br />
 Copyright (C) 2003 Jiří Kosek
           <br />
 Copyright (C) 2004-2007 Steve Ball
           <br />
 Copyright (C) 2005-2014 The DocBook Project
           <br />
 Copyright (C) 2011-2012 O&apos;Reilly Media
         </span></var>
         <p>
            Permission is hereby granted, free of charge, to any person
            obtaining a copy of this software and associated documentation
            files (the ``Software&apos;&apos;), to deal in the Software without
            restriction, including without limitation the rights to use,
            copy, modify, merge, publish, distribute, sublicense, and/or sell
            copies of the Software, and to permit persons to whom the Software
            is furnished to do so, subject to the following conditions:
         </p>

         <p>
            The above copyright notice and this permission notice shall be
            included in all copies or substantial portions of the Software.
         </p>

         <p>
            Except as contained in this notice, the names of individuals
            credited with contribution to this software shall not
            be used in advertising or otherwise to promote the sale,
            use or other dealings in this Software without prior
            written authorization from the individuals in question.
         </p>

         <p>
            Any stylesheet derived from this Software that is
            publically distributed will be identified with a different
            name and the version strings in any derived Software
            will be changed so that no possibility of confusion
            between the derived package and this Software will exist.
         </p>

         <p>
            Warranty
            <br />
--------
           <br />
 THE SOFTWARE IS PROVIDED &quot;AS IS&quot;, WITHOUT WARRANTY OF ANY
            KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE
            WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR
            PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL NORMAN WALSH
            OR ANY OTHER CONTRIBUTOR BE LIABLE FOR ANY CLAIM, DAMAGES
            OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT
            OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH
            THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
         </p>

         <div class="optional-license-text"> 
            <p>Contacting the Author
            <br />
---------------------
            <br />
The DocBook XSL stylesheets are maintained by
            Norman Walsh, &lt;ndw@nwalsh.com&gt;, and members of
            the DocBook Project, &lt;docbook-developers@sf.net&gt; </p>

         </div>
      
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      <h2  id="licenseHeader">Standard License Header</h2>
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      &lt;&lt;var;name&#61;&quot;copyright&quot;;original&#61;&quot;Copyright  ---------  Copyright (C) 1999-2007 Norman Walsh Copyright (C) 2003 Jiří Kosek Copyright (C) 2004-2007 Steve Ball Copyright (C) 2005-2014 The DocBook Project Copyright (C) 2011-2012 O&#39;Reilly Media&quot;;match&#61;&quot;.{0,5000}&quot;&gt;&gt;&#10;Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the &#96;&#96;Software&#39;&#39;), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions:&#10;&#10;The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software.&#10;&#10;Except as contained in this notice, the names of individuals credited with contribution to this software shall not be used in advertising or otherwise to promote the sale, use or other dealings in this Software without prior written authorization from the individuals in question.&#10;&#10;Any stylesheet derived from this Software that is publically distributed will be identified with a different name and the version strings in any derived Software will be changed so that no possibility of confusion between the derived package and this Software will exist.&#10;&#10;Warranty&#10;--------&#10;THE SOFTWARE IS PROVIDED &quot;AS IS&quot;, WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL NORMAN WALSH OR ANY OTHER CONTRIBUTOR BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.&#10;&#10;&lt;&lt;beginOptional&gt;&gt;Contacting the Author&#10;---------------------&#10;The DocBook XSL stylesheets are maintained by Norman Walsh, &lt;ndw@nwalsh.com&gt;, and members of the DocBook Project, &lt;docbook-developers@sf.net&gt;&#10;&#10;&lt;&lt;endOptional&gt;&gt;
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