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

      <h1 property="dc:title">DocBook DTD 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 DTD License</code></p>

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

      <h2>Other web pages for this license</h2>
          <div style="margin-left: 20px;">
            <ul>
             <li>
               <a href="http://www.docbook.org/xml/simple/1.1/docbook-simple-1.1.zip" rel="rdfs:seeAlso" isValid=true isLive=true isWayBackLink=false match=false timestamp=2025-07-01T15:03:48Z>http://www.docbook.org/xml/simple/1.1/docbook-simple-1.1.zip</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;">This license is very similar to DocBook-Schema, but includes some exceptions to the different labeling of a modified version.</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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	  </blockquote>

      <div property="spdx:licenseText" class="license-text">
      
         <div class="replaceable-license-text"><span title="can be replaced with the pattern .{0,5000}"> 
         <p>
            Copyright 1992-2002 HaL Computer Systems, Inc., O&apos;Reilly &amp;
            Associates, Inc., ArborText, Inc., Fujitsu Software Corporation,
            Norman Walsh, Sun Microsystems, Inc., and the Organization for
            the Advancement of Structured Information Standards (OASIS).
         </p>

         <p>
            $Id: sdbcent.mod,v 1.13 2005/04/01 21:02:17 nwalsh Exp $
         </p>

         </span></div>
         <p>
            Permission to use, copy, modify and distribute the DocBook
            XML DTD and its accompanying documentation for any purpose
            and without fee is hereby granted in perpetuity, provided
            that the above copyright notice and this paragraph appear
            in all copies. The copyright holders make no representation
            about the suitability of the DTD for any purpose. It is
            provided &quot;as is&quot; without expressed or implied warranty.
         </p>

         <p>
            If you modify the Simplified DocBook DTD in any
            way, except for declaring and referencing additional
            sets of general entities and declaring additional
            notations, label your DTD as a variant of DocBook. See
            the maintenance documentation for more information.
         </p>

         <p>
            Please direct all questions, bug reports, or suggestions for
            changes to the docbook@lists.oasis-open.org mailing list.
            For more information, see http://www.oasis-open.org/docbook/.
         </p>

      
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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 1992-2002 HaL Computer Systems, Inc., O&#39;Reilly &amp; Associates, Inc., ArborText, Inc., Fujitsu Software Corporation, Norman Walsh, Sun Microsystems, Inc., and the Organization for the Advancement of Structured Information Standards (OASIS).   $Id: sdbcent.mod,v 1.13 2005/04/01 21:02:17 nwalsh Exp $  &quot;;match&#61;&quot;.{0,5000}&quot;&gt;&gt;&#10;Permission to use, copy, modify and distribute the DocBook XML DTD and its accompanying documentation for any purpose and without fee is hereby granted in perpetuity, provided that the above copyright notice and this paragraph appear in all copies. The copyright holders make no representation about the suitability of the DTD for any purpose. It is provided &quot;as is&quot; without expressed or implied warranty.&#10;&#10;If you modify the Simplified DocBook DTD in any way, except for declaring and referencing additional sets of general entities and declaring additional notations, label your DTD as a variant of DocBook. See the maintenance documentation for more information.&#10;&#10;Please direct all questions, bug reports, or suggestions for changes to the docbook@lists.oasis-open.org mailing list. For more information, see http://www.oasis-open.org/docbook/.&#10;&#10;
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