<sect1 id="licenses-gfdl-section-12" xreflabel="How to use this License for your documents">

    <title>How to use this License for your documents</title>

    <para>To use this License in a document you have written, include

    a copy of the License in the document and put the following

    copyright and license notices just after the title page:</para>

    <programlisting>

    Copyright (C)  YEAR  YOUR NAME.

    Permission is granted to copy, distribute and/or modify this

    document under the terms of the GNU Free Documentation License,

    Version 1.2 or any later version published by the Free Software

    Foundation; with no Invariant Sections, no Front-Cover Texts, and

    no Back-Cover Texts.  A copy of the license is included in the

    section entitled <quote>GNU Free Documentation License</quote>.

    </programlisting>

    <para>If you have Invariant Sections, Front-Cover Texts and

    Back-Cover Texts, replace the <quote>with...Texts</quote>. line with

    this:</para>

    <programlisting>

    with the Invariant Sections being LIST THEIR TITLES, with the

    Front-Cover Texts being LIST, and with the Back-Cover Texts being

    LIST.

    </programlisting>

    <para>If you have Invariant Sections without Cover Texts, or some

    other combination of the three, merge those two alternatives to

    suit the situation.</para>

    <para>If your document contains nontrivial examples of program

    code, we recommend releasing these examples in parallel under your

    choice of free software license, such as the GNU General Public

    License, to permit their use in free software.</para>

</sect1>