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<appendix id="license" xreflabel="Open Publication License">
  <?dbhtml dir="appendices"?>
  <?dbhtml filename="license.html"?>

  <title>Open Publication License</title>
  <bridgehead renderas="sect3">v1.0, 8 June 1999</bridgehead>


  <bridgehead renderas="sect2">I. REQUIREMENTS ON BOTH UNMODIFIED AND
  MODIFIED VERSIONS</bridgehead>

  <para>The Open Publication works may be reproduced and distributed in
  whole or in part, in any medium physical or electronic, provided that
  the terms of this license are adhered to, and that this license or an
  incorporation of it by reference (with any options elected by the
  author(s) and/or publisher) is displayed in the reproduction.</para>

  <para>Proper form for an incorporation by reference is as follows:</para>

  <blockquote>
    <para>Copyright &copy; &lt;year&gt; by &lt;author's name or designee&gt;.
    This material may be distributed only subject to the terms and conditions
    set forth in the Open Publication License, vX.Y or later (the latest
    version is presently available at <ulink
    url="http://www.opencontent.org/openpub/"/>).</para>
  </blockquote>

  <para>The reference must be immediately followed with any options elected
  by the author(s) and/or publisher of the document (see section VI).</para>

  <para>Commercial redistribution of Open Publication-licensed material
  is permitted.</para>

  <para>Any publication in standard (paper) book form shall require the
  citation of the original publisher and author. The publisher and
  author's names shall appear on all outer surfaces of the book. On all
  outer surfaces of the book the original publisher's name shall be as
  large as the bridgehead of the work and cited as possessive with respect
  to the bridgehead.</para>


  <bridgehead renderas="sect2">II. COPYRIGHT</bridgehead>

  <para>The copyright to each Open Publication is owned by its
  author(s) or designee.</para>

  <bridgehead renderas="sect2">III. SCOPE OF LICENSE</bridgehead>

  <para>The following license terms apply to all Open Publication works,
  unless otherwise explicitly stated in the document.</para>

  <para>Mere aggregation of Open Publication works or a portion of an
  Open Publication work with other works or programs on the same media
  shall not cause this license to apply to those other works. The
  aggregate work shall contain a notice specifying the inclusion of the
  Open Publication material and appropriate copyright notice.</para>

  <para>SEVERABILITY. If any part of this license is found to be
  unenforceable in any jurisdiction, the remaining portions of the
  license remain in force.</para>

  <para>NO WARRANTY. Open Publication works are licensed and provided
  "as is" without warranty of any kind, express or implied, including,
  but not limited to, the implied warranties of merchantability and
  fitness for a particular purpose or a warranty of non-infringement.</para>


  <bridgehead renderas="sect2">IV. REQUIREMENTS ON MODIFIED WORKS</bridgehead>

  <para>All modified versions of documents covered by this license,
  including translations, anthologies, compilations and partial documents,
  must meet the following requirements:</para>

  <orderedlist>
    <listitem>
      <para>The modified version must be labeled as such.</para>
    </listitem>
    <listitem>
      <para>The person making the modifications must be identified and
      the modifications dated.</para>
    </listitem>
    <listitem>
      <para>Acknowledgement of the original author and publisher if
      applicable must be retained according to normal academic citation
      practices.</para>
    </listitem>
    <listitem>
      <para>The location of the original unmodified document must be
      identified.</para>
    </listitem>
    <listitem>
      <para>The original author's (or authors') name(s) may not be used
      to assert or imply endorsement of the resulting document without
      the original author's (or authors') permission.</para>
    </listitem>
  </orderedlist>


  <bridgehead renderas="sect2">V. GOOD-PRACTICE RECOMMENDATIONS</bridgehead>

  <para>In addition to the requirements of this license, it is requested
  from and strongly recommended of redistributors that:</para>

  <orderedlist>
    <listitem>
      <para>If you are distributing Open Publication works on hardcopy
      or CD-ROM, you provide email notification to the authors of your
      intent to redistribute at least thirty days before your manuscript
      or media freeze, to give the authors time to provide updated
      documents. This notification should describe modifications, if any,
      made to the document.</para>
    </listitem>
    <listitem>
      <para>All substantive modifications (including deletions) be either
      clearly marked up in the document or else described in an attachment
      to the document.</para>
    </listitem>
    <listitem>
      <para>Finally, while it is not mandatory under this license, it is
      considered good form to offer a free copy of any hardcopy and CD-ROM
      expression of an Open Publication-licensed work to its author(s).</para>
    </listitem>
  </orderedlist>


  <bridgehead renderas="sect2">VI. LICENSE OPTIONS</bridgehead>

  <para>The author(s) and/or publisher of an Open Publication-licensed
  document may elect certain options by appending language to the reference
  to or copy of the license. These options are considered part of the
  license instance and must be included with the license (or its
  incorporation by reference) in derived works.</para>

  <para>A. To prohibit distribution of substantively modified versions
  without the explicit permission of the author(s). "Substantive modification"
  is defined as a change to the semantic content of the document, and
  excludes mere changes in format or typographical corrections.</para>

  <para>To accomplish this, add the phrase `Distribution of substantively
  modified versions of this document is prohibited without the explicit
  permission of the copyright holder.' to the license reference or copy.</para>

  <para>B. To prohibit any publication of this work or derivative works in
  whole or in part in standard (paper) book form for commercial purposes
  is prohibited unless prior permission is obtained from the copyright
  holder.</para>

  <para>To accomplish this, add the phrase 'Distribution of the work or
  derivative of the work in any standard (paper) book form is prohibited
  unless prior permission is obtained from the copyright holder.' to the
  license reference or copy.</para>


  <bridgehead renderas="sect2">OPEN PUBLICATION POLICY APPENDIX</bridgehead>

  <para>(This is not considered part of the license.)</para>

  <para>Open Publication works are available in source format via the Open
  Publication home page at <ulink url="http://works.opencontent.org/"/>.</para>

  <para>Open Publication authors who want to include their own license on
  Open Publication works may do so, as long as their terms are not more
  restrictive than the Open Publication license.</para>

  <para>If you have questions about the Open Publication License, please
  contact David Wiley at dw@opencontent.org, and/or the Open Publication
  Authors' List at opal@opencontent.org, via email.</para>

  <para>To <emphasis role="strong">subscribe</emphasis> to the Open Publication
  Authors' List: Send E-mail to opal-request@opencontent.org with the word
  "subscribe" in the body.</para>

  <para>To <emphasis role="strong">post</emphasis> to the Open Publication
  Authors' List: Send E-mail to opal@opencontent.org or simply reply to a
  previous post.</para>

  <para>To <emphasis role="strong">unsubscribe</emphasis> from the Open
  Publication Authors' List: Send E-mail to opal-request@opencontent.org
  with the word "unsubscribe" in the body.</para>

</appendix>
