View file File name : ch-docs.html Content : <!DOCTYPE html> <html> <head> <meta charset="utf-8" /> <meta name="viewport" content="width=device-width, initial-scale=1.0" /><meta name="generator" content="Docutils 0.17.1: http://docutils.sourceforge.net/" /> <title>12. Documentation — Debian Policy Manual v4.6.0.1</title> <link rel="stylesheet" type="text/css" href="_static/pygments.css" /> <link rel="stylesheet" type="text/css" href="_static/nature.css" /> <script data-url_root="./" id="documentation_options" src="_static/documentation_options.js"></script> <script src="_static/jquery.js"></script> <script src="_static/underscore.js"></script> <script src="_static/doctools.js"></script> <link rel="index" title="Index" href="genindex.html" /> <link rel="search" title="Search" href="search.html" /> <link rel="next" title="1. Introduction and scope of these appendices" href="ap-pkg-scope.html" /> <link rel="prev" title="11. Customized programs" href="ch-customized-programs.html" /> </head><body> <div class="related" role="navigation" aria-label="related navigation"> <h3>Navigation</h3> <ul> <li class="right" style="margin-right: 10px"> <a href="genindex.html" title="General Index" accesskey="I">index</a></li> <li class="right" > <a href="ap-pkg-scope.html" title="1. Introduction and scope of these appendices" accesskey="N">next</a> |</li> <li class="right" > <a href="ch-customized-programs.html" title="11. Customized programs" accesskey="P">previous</a> |</li> <li class="nav-item nav-item-0"><a href="index.html">Debian Policy Manual v4.6.0.1</a> »</li> <li class="nav-item nav-item-this"><a href=""><span class="section-number">12. </span>Documentation</a></li> </ul> </div> <div class="document"> <div class="documentwrapper"> <div class="bodywrapper"> <div class="body" role="main"> <section id="documentation"> <h1><span class="section-number">12. </span>Documentation<a class="headerlink" href="#documentation" title="Permalink to this headline">¶</a></h1> <section id="manual-pages"> <span id="s12-1"></span><h2><span class="section-number">12.1. </span>Manual pages<a class="headerlink" href="#manual-pages" title="Permalink to this headline">¶</a></h2> <p>You should install manual pages in <code class="docutils literal notranslate"><span class="pre">nroff</span></code> source form, in appropriate places under <code class="docutils literal notranslate"><span class="pre">/usr/share/man</span></code>. You should only use sections 1 to 9 (see the FHS for more details). You must not install a pre-formatted “cat page”.</p> <p>Each program, utility, and function should have an associated manual page included in the same package or a dependency. It is suggested that all configuration files also have a manual page included as well. Manual pages for protocols and other auxiliary things are optional.</p> <p>If no manual page is available, this is considered as a bug and should be reported to the Debian Bug Tracking System (the maintainer of the package is allowed to write this bug report themselves, if they so desire). Do not close the bug report until a proper man page is available. <a class="footnote-reference brackets" href="#id11" id="id1">1</a></p> <p>You may forward a complaint about a missing man page to the upstream authors, and mark the bug as forwarded in the Debian bug tracking system. Even though the GNU Project do not in general consider the lack of a man page to be a bug, we do; if they tell you that they don’t consider it a bug you should leave the bug in our bug tracking system open anyway.</p> <p>Manual pages should be installed compressed using <code class="docutils literal notranslate"><span class="pre">gzip</span> <span class="pre">-9</span></code>.</p> <p>If one man page needs to be accessible via several names it is better to use a symbolic link than the <code class="docutils literal notranslate"><span class="pre">.so</span></code> feature, but there is no need to fiddle with the relevant parts of the upstream source to change from <code class="docutils literal notranslate"><span class="pre">.so</span></code> to symlinks: don’t do it unless it’s easy. You should not create hard links in the manual page directories, nor put absolute filenames in <code class="docutils literal notranslate"><span class="pre">.so</span></code> directives. The filename in a <code class="docutils literal notranslate"><span class="pre">.so</span></code> in a man page should be relative to the base of the man page tree (usually <code class="docutils literal notranslate"><span class="pre">/usr/share/man</span></code>). If you do not create any links (whether symlinks, hard links, or <code class="docutils literal notranslate"><span class="pre">.so</span></code> directives) in the file system to the alternate names of the man page, then you should not rely on <code class="docutils literal notranslate"><span class="pre">man</span></code> finding your man page under those names based solely on the information in the man page’s header. <a class="footnote-reference brackets" href="#id12" id="id2">2</a></p> <p>Manual pages in locale-specific subdirectories of <code class="docutils literal notranslate"><span class="pre">/usr/share/man</span></code> should use either UTF-8 or the usual legacy encoding for that language (normally the one corresponding to the shortest relevant locale name in <code class="docutils literal notranslate"><span class="pre">/usr/share/i18n/SUPPORTED</span></code>). For example, pages under <code class="docutils literal notranslate"><span class="pre">/usr/share/man/fr</span></code> should use either UTF-8 or ISO-8859-1. <a class="footnote-reference brackets" href="#id13" id="id3">3</a></p> <p>A country name (the <code class="docutils literal notranslate"><span class="pre">DE</span></code> in <code class="docutils literal notranslate"><span class="pre">de_DE</span></code>) should not be included in the subdirectory name unless it indicates a significant difference in the language, as this excludes speakers of the language in other countries. <a class="footnote-reference brackets" href="#id14" id="id4">4</a></p> <p>If a localized version of a manual page is provided, it should either be up-to-date or it should be obvious to the reader that it is outdated and the original manual page should be used instead. This can be done either by a note at the beginning of the manual page or by showing the missing or changed portions in the original language instead of the target language.</p> </section> <section id="info-documents"> <span id="s12-2"></span><h2><span class="section-number">12.2. </span>Info documents<a class="headerlink" href="#info-documents" title="Permalink to this headline">¶</a></h2> <p>Info documents should be installed in <code class="docutils literal notranslate"><span class="pre">/usr/share/info</span></code>. They should be compressed with <code class="docutils literal notranslate"><span class="pre">gzip</span> <span class="pre">-9</span></code>.</p> <p>The <code class="docutils literal notranslate"><span class="pre">install-info</span></code> program maintains a directory of installed info documents in <code class="docutils literal notranslate"><span class="pre">/usr/share/info/dir</span></code> for the use of info readers. This file must not be included in packages other than install-info.</p> <p><code class="docutils literal notranslate"><span class="pre">install-info</span></code> is automatically invoked when appropriate using dpkg triggers. Packages other than install-info <em>should not</em> invoke <code class="docutils literal notranslate"><span class="pre">install-info</span></code> directly and <em>should not</em> depend on, recommend, or suggest install-info for this purpose.</p> <p>Info readers requiring the <code class="docutils literal notranslate"><span class="pre">/usr/share/info/dir</span></code> file should depend on install-info.</p> <p>Info documents should contain section and directory entry information in the document for the use of <code class="docutils literal notranslate"><span class="pre">install-info</span></code>. The section should be specified via a line starting with <code class="docutils literal notranslate"><span class="pre">INFO-DIR-SECTION</span></code> followed by a space and the section of this info page. The directory entry or entries should be included between a <code class="docutils literal notranslate"><span class="pre">START-INFO-DIR-ENTRY</span></code> line and an <code class="docutils literal notranslate"><span class="pre">END-INFO-DIR-ENTRY</span></code> line. For example:</p> <div class="highlight-default notranslate"><div class="highlight"><pre><span></span><span class="n">INFO</span><span class="o">-</span><span class="n">DIR</span><span class="o">-</span><span class="n">SECTION</span> <span class="n">Individual</span> <span class="n">utilities</span> <span class="n">START</span><span class="o">-</span><span class="n">INFO</span><span class="o">-</span><span class="n">DIR</span><span class="o">-</span><span class="n">ENTRY</span> <span class="o">*</span> <span class="n">example</span><span class="p">:</span> <span class="p">(</span><span class="n">example</span><span class="p">)</span><span class="o">.</span> <span class="n">An</span> <span class="n">example</span> <span class="n">info</span> <span class="n">directory</span> <span class="n">entry</span><span class="o">.</span> <span class="n">END</span><span class="o">-</span><span class="n">INFO</span><span class="o">-</span><span class="n">DIR</span><span class="o">-</span><span class="n">ENTRY</span> </pre></div> </div> <p>To determine which section to use, you should look at <code class="docutils literal notranslate"><span class="pre">/usr/share/info/dir</span></code> on your system and choose the most relevant (or create a new section if none of the current sections are relevant). <a class="footnote-reference brackets" href="#id15" id="id5">5</a></p> </section> <section id="additional-documentation"> <span id="s-docs-additional"></span><h2><span class="section-number">12.3. </span>Additional documentation<a class="headerlink" href="#additional-documentation" title="Permalink to this headline">¶</a></h2> <p>Any additional documentation that comes with the package may be installed at the discretion of the package maintainer. It is often a good idea to include text information files (<code class="docutils literal notranslate"><span class="pre">README</span></code>s, FAQs, and so forth) that come with the source package in the binary package. However, you don’t need to install the instructions for building and installing the package, of course!</p> <p>Plain text documentation should be compressed with <code class="docutils literal notranslate"><span class="pre">gzip</span> <span class="pre">-9</span></code> unless it is small.</p> <p>If a package comes with large amounts of documentation that many users of the package will not require, you should create a separate binary package to contain it so that it does not take up disk space on the machines of users who do not need or want it installed. As a special case of this rule, shared library documentation of any appreciable size should always be packaged with the library development package (<a class="reference internal" href="ch-sharedlibs.html#s-sharedlibs-dev"><span class="std std-ref">Development files</span></a>) or in a separate documentation package, since shared libraries are frequently installed as dependencies of other packages by users who have little interest in documentation of the library itself. The documentation package for the package package is conventionally named package-doc (or package-doc-language-code if there are separate documentation packages for multiple languages).</p> <p>If package is a build tool, development tool, command-line tool, or library development package, package (or package-dev in the case of a library development package) already provides documentation in man, info, or plain text format, and package-doc provides HTML or other formats, package should declare at most a <code class="docutils literal notranslate"><span class="pre">Suggests</span></code> on package-doc. Otherwise, package should declare at most a <code class="docutils literal notranslate"><span class="pre">Recommends</span></code> on package-doc.</p> <p>Additional documentation included in the package should be installed under <code class="docutils literal notranslate"><span class="pre">/usr/share/doc/package</span></code>. If the documentation is packaged separately, as package-doc for example, it may be installed under either that path or into the documentation directory for the separate documentation package (<code class="docutils literal notranslate"><span class="pre">/usr/share/doc/package-doc</span></code> in this example). However, installing the documentation into the documentation directory of the main package is encouraged since it is independent of the packaging method and will be easier for users to find.</p> <p>Any separate package providing documentation must still install standard documentation files in its own <code class="docutils literal notranslate"><span class="pre">/usr/share/doc</span></code> directory as specified in the rest of this policy. See, for example, <a class="reference internal" href="#s-copyrightfile"><span class="std std-ref">Copyright information</span></a> and <a class="reference internal" href="#s-changelogs"><span class="std std-ref">Changelog files and release notes</span></a>.</p> <p>Packages must not require the existence of any files in <code class="docutils literal notranslate"><span class="pre">/usr/share/doc/</span></code> in order to function. <a class="footnote-reference brackets" href="#id16" id="id6">6</a> Any files that are used or read by programs but are also useful as stand alone documentation should be installed elsewhere, such as under <code class="docutils literal notranslate"><span class="pre">/usr/share/package/</span></code>, and then included via symbolic links in <code class="docutils literal notranslate"><span class="pre">/usr/share/doc/package</span></code>.</p> <p><code class="docutils literal notranslate"><span class="pre">/usr/share/doc/package</span></code> is permitted to be a symbolic link to another directory in <code class="docutils literal notranslate"><span class="pre">/usr/share/doc</span></code> only if the two packages both come from the same source and the first package Depends on the second. Otherwise, <code class="docutils literal notranslate"><span class="pre">/usr/share/doc/package</span></code> must not be a symbolic link. <a class="footnote-reference brackets" href="#id17" id="id7">7</a></p> </section> <section id="preferred-documentation-formats"> <span id="s12-4"></span><h2><span class="section-number">12.4. </span>Preferred documentation formats<a class="headerlink" href="#preferred-documentation-formats" title="Permalink to this headline">¶</a></h2> <p>The unification of Debian documentation is being carried out via HTML.</p> <p>If the package comes with extensive documentation in a markup format that can be converted to various other formats you should if possible ship HTML versions in a binary package. <a class="footnote-reference brackets" href="#id18" id="id8">8</a> The documentation must be installed as specified in <a class="reference internal" href="#s-docs-additional"><span class="std std-ref">Additional documentation</span></a>.</p> <p>Other formats such as PostScript may be provided at the package maintainer’s discretion.</p> </section> <section id="copyright-information"> <span id="s-copyrightfile"></span><h2><span class="section-number">12.5. </span>Copyright information<a class="headerlink" href="#copyright-information" title="Permalink to this headline">¶</a></h2> <p>Every package must be accompanied by a verbatim copy of its distribution license(s) in the file <code class="docutils literal notranslate"><span class="pre">/usr/share/doc/PACKAGE/copyright</span></code>. This file must neither be compressed nor be a symbolic link.</p> <p>A verbatim copy of the package’s copyright information is often required to be present in <code class="docutils literal notranslate"><span class="pre">/usr/share/doc/PACKAGE/copyright</span></code>, too; see <a class="reference internal" href="ch-archive.html#s-pkgcopyright"><span class="std std-ref">Copyright considerations</span></a>.</p> <p>In addition, the copyright file must say where the upstream sources (if any) were obtained, and should include a name or contact address for the upstream authors. This can be the name of an individual or an organization, an email address, a web forum or bugtracker, or any other means to unambiguously identify who to contact to participate in the development of the upstream source code.</p> <p>Packages in the <em>contrib</em> or <em>non-free</em> archive areas should state in the copyright file that the package is not part of the Debian distribution and briefly explain why.</p> <p>A copy of the file which will be installed in <code class="docutils literal notranslate"><span class="pre">/usr/share/doc/PACKAGE/copyright</span></code> should be in <code class="docutils literal notranslate"><span class="pre">debian/copyright</span></code> in the source package.</p> <p><code class="docutils literal notranslate"><span class="pre">/usr/share/doc/package</span></code> is permitted be a symbolic link to another directory in <code class="docutils literal notranslate"><span class="pre">/usr/share/doc</span></code> only if the two packages both come from the same source and the first package Depends on the second. Otherwise, <code class="docutils literal notranslate"><span class="pre">/usr/share/doc/package</span></code> must not be a symbolic link. These rules are important because <code class="docutils literal notranslate"><span class="pre">copyright</span></code> files must be extractable by mechanical means.</p> <p>Packages distributed under the Apache license (version 2.0), the Artistic license, the Creative Commons CC0-1.0 license, the GNU GPL (versions 1, 2, or 3), the GNU LGPL (versions 2, 2.1, or 3), the GNU FDL (versions 1.2 or 1.3), and the Mozilla Public License (version 1.1 or 2.0) should refer to the corresponding files under <code class="docutils literal notranslate"><span class="pre">/usr/share/common-licenses</span></code>, <a class="footnote-reference brackets" href="#id19" id="id9">9</a> rather than quoting them in the copyright file.</p> <p>You should not use the copyright file as a general <code class="docutils literal notranslate"><span class="pre">README</span></code> file. If your package has such a file it should be installed in <code class="docutils literal notranslate"><span class="pre">/usr/share/doc/package/README</span></code> or <code class="docutils literal notranslate"><span class="pre">README.Debian</span></code> or some other appropriate place.</p> <p>All copyright files must be encoded in UTF-8.</p> <section id="machine-readable-copyright-information"> <span id="s-copyrightformat"></span><h3><span class="section-number">12.5.1. </span>Machine-readable copyright information<a class="headerlink" href="#machine-readable-copyright-information" title="Permalink to this headline">¶</a></h3> <p>A specification for a standard, machine-readable format for <code class="docutils literal notranslate"><span class="pre">debian/copyright</span></code> files is maintained as part of the debian-policy package. This document is in the <code class="docutils literal notranslate"><span class="pre">copyright-format</span></code> files in the debian-policy package. It is also available from the Debian web mirrors at <a class="reference external" href="https://www.debian.org/doc/packaging-manuals/copyright-format/1.0/">https://www.debian.org/doc/packaging-manuals/copyright-format/1.0/</a>.</p> <p>Use of this format is optional.</p> </section> </section> <section id="examples"> <span id="s12-6"></span><h2><span class="section-number">12.6. </span>Examples<a class="headerlink" href="#examples" title="Permalink to this headline">¶</a></h2> <p>Any examples (configurations, source files, whatever), should be installed in a directory <code class="docutils literal notranslate"><span class="pre">/usr/share/doc/package/examples</span></code>. These files should not be referenced by any program: they’re there for the benefit of the system administrator and users as documentation only. Architecture-specific example files should be installed in a directory <code class="docutils literal notranslate"><span class="pre">/usr/lib/package/examples</span></code> with symbolic links to them from <code class="docutils literal notranslate"><span class="pre">/usr/share/doc/package/examples</span></code>, or the latter directory itself may be a symbolic link to the former.</p> <p>If the purpose of a package is to provide examples, then the example files may be installed into <code class="docutils literal notranslate"><span class="pre">/usr/share/doc/package</span></code>.</p> </section> <section id="changelog-files-and-release-notes"> <span id="s-changelogs"></span><h2><span class="section-number">12.7. </span>Changelog files and release notes<a class="headerlink" href="#changelog-files-and-release-notes" title="Permalink to this headline">¶</a></h2> <p>Packages that are not Debian-native must contain a compressed copy of the <code class="docutils literal notranslate"><span class="pre">debian/changelog</span></code> file from the Debian source tree in <code class="docutils literal notranslate"><span class="pre">/usr/share/doc/package</span></code> with the name <code class="docutils literal notranslate"><span class="pre">changelog.Debian.gz</span></code>.</p> <p>If an upstream release notes file is available, containing a summary of changes between upstream releases intended for end users of the package and often called <code class="docutils literal notranslate"><span class="pre">NEWS</span></code>, it should be accessible as <code class="docutils literal notranslate"><span class="pre">/usr/share/doc/package/NEWS.gz</span></code>. An older practice of installing the upstream release notes as <code class="docutils literal notranslate"><span class="pre">/usr/share/doc/package/changelog.gz</span></code> is permitted but deprecated.</p> <p>If there is an upstream changelog available, it may be made available as <code class="docutils literal notranslate"><span class="pre">/usr/share/doc/package/changelog.gz</span></code>.</p> <p>If either of these files are distributed in HTML, they should be made available at <code class="docutils literal notranslate"><span class="pre">/usr/share/doc/package/NEWS.html.gz</span></code> and <code class="docutils literal notranslate"><span class="pre">/usr/share/doc/package/changelog.html.gz</span></code> respectively, and plain text versions <code class="docutils literal notranslate"><span class="pre">NEWS.gz</span></code> and <code class="docutils literal notranslate"><span class="pre">changelog.gz</span></code> should be generated from them, using, for example, <code class="docutils literal notranslate"><span class="pre">lynx</span> <span class="pre">-dump</span> <span class="pre">-nolist</span></code>.</p> <p>If the upstream release notes or changelog do not already conform to this naming convention, then this may be achieved either by renaming the files, or by adding a symbolic link, at the maintainer’s discretion. <a class="footnote-reference brackets" href="#id20" id="id10">10</a></p> <p>All of these files should be installed compressed using <code class="docutils literal notranslate"><span class="pre">gzip</span> <span class="pre">-9</span></code>, as they will become large with time even if they start out small.</p> <p>If the package has only one file which is used both as the Debian changelog and the upstream release notes or changelog, because there is no separate upstream maintainer, then that file should usually be installed as <code class="docutils literal notranslate"><span class="pre">/usr/share/doc/package/NEWS.gz</span></code> or <code class="docutils literal notranslate"><span class="pre">/usr/share/doc/package/changelog.gz</span></code> (depending on whether the file is release notes or a changelog); if there is a separate upstream maintainer, but no upstream release notes or changelog, then the Debian changelog should still be called <code class="docutils literal notranslate"><span class="pre">changelog.Debian.gz</span></code>.</p> <p>For details about the format and contents of the Debian changelog file, please see <a class="reference internal" href="ch-source.html#s-dpkgchangelog"><span class="std std-ref">Debian changelog: debian/changelog</span></a>.</p> <dl class="footnote brackets"> <dt class="label" id="id11"><span class="brackets"><a class="fn-backref" href="#id1">1</a></span></dt> <dd><p>It is not very hard to write a man page. See the <a class="reference external" href="http://www.schweikhardt.net/man_page_howto.html">Man-Page-HOWTO</a>, <em class="manpage">man(7)</em>, the examples created by <code class="docutils literal notranslate"><span class="pre">dh_make</span></code>, the helper program <code class="docutils literal notranslate"><span class="pre">help2man</span></code>, or the directory <code class="docutils literal notranslate"><span class="pre">/usr/share/doc/man-db/examples</span></code>.</p> </dd> <dt class="label" id="id12"><span class="brackets"><a class="fn-backref" href="#id2">2</a></span></dt> <dd><p>Supporting this in <code class="docutils literal notranslate"><span class="pre">man</span></code> often requires unreasonable processing time to find a manual page or to report that none exists, and moves knowledge into man’s database that would be better left in the file system. This support is therefore deprecated and will cease to be present in the future.</p> </dd> <dt class="label" id="id13"><span class="brackets"><a class="fn-backref" href="#id3">3</a></span></dt> <dd><p><code class="docutils literal notranslate"><span class="pre">man</span></code> will automatically detect whether UTF-8 is in use. In future, all manual pages will be required to use UTF-8.</p> </dd> <dt class="label" id="id14"><span class="brackets"><a class="fn-backref" href="#id4">4</a></span></dt> <dd><p>At the time of writing, Chinese and Portuguese are the main languages with such differences, so <code class="docutils literal notranslate"><span class="pre">pt_BR</span></code>, <code class="docutils literal notranslate"><span class="pre">zh_CN</span></code>, and <code class="docutils literal notranslate"><span class="pre">zh_TW</span></code> are all allowed.</p> </dd> <dt class="label" id="id15"><span class="brackets"><a class="fn-backref" href="#id5">5</a></span></dt> <dd><p>Normally, info documents are generated from Texinfo source. To include this information in the generated info document, if it is absent, add commands like:</p> <div class="highlight-default notranslate"><div class="highlight"><pre><span></span><span class="nd">@dircategory</span> <span class="n">Individual</span> <span class="n">utilities</span> <span class="nd">@direntry</span> <span class="o">*</span> <span class="n">example</span><span class="p">:</span> <span class="p">(</span><span class="n">example</span><span class="p">)</span><span class="o">.</span> <span class="n">An</span> <span class="n">example</span> <span class="n">info</span> <span class="n">directory</span> <span class="n">entry</span><span class="o">.</span> <span class="nd">@end</span> <span class="n">direntry</span> </pre></div> </div> <p>to the Texinfo source of the document and ensure that the info documents are rebuilt from source during the package build.</p> </dd> <dt class="label" id="id16"><span class="brackets"><a class="fn-backref" href="#id6">6</a></span></dt> <dd><p>The system administrator should be able to delete files in <code class="docutils literal notranslate"><span class="pre">/usr/share/doc/</span></code> without causing any programs to break.</p> </dd> <dt class="label" id="id17"><span class="brackets"><a class="fn-backref" href="#id7">7</a></span></dt> <dd><p>Please note that this does not override the section on changelog files below, so the file <code class="docutils literal notranslate"><span class="pre">/usr/share/doc/package/changelog.Debian.gz</span></code> must refer to the changelog for the current version of package in question. In practice, this means that the sources of the target and the destination of the symlink must be the same (same source package and version).</p> </dd> <dt class="label" id="id18"><span class="brackets"><a class="fn-backref" href="#id8">8</a></span></dt> <dd><p>Rationale: The important thing here is that HTML documentation should be available from <em>some</em> binary package.</p> </dd> <dt class="label" id="id19"><span class="brackets"><a class="fn-backref" href="#id9">9</a></span></dt> <dd><p>In particular, <code class="docutils literal notranslate"><span class="pre">/usr/share/common-licenses/Apache-2.0</span></code>, <code class="docutils literal notranslate"><span class="pre">/usr/share/common-licenses/Artistic</span></code>, <code class="docutils literal notranslate"><span class="pre">/usr/share/common-licenses/CC0-1.0</span></code>, <code class="docutils literal notranslate"><span class="pre">/usr/share/common-licenses/GPL-1</span></code>, <code class="docutils literal notranslate"><span class="pre">/usr/share/common-licenses/GPL-2</span></code>, <code class="docutils literal notranslate"><span class="pre">/usr/share/common-licenses/GPL-3</span></code>, <code class="docutils literal notranslate"><span class="pre">/usr/share/common-licenses/LGPL-2</span></code>, <code class="docutils literal notranslate"><span class="pre">/usr/share/common-licenses/LGPL-2.1</span></code>, <code class="docutils literal notranslate"><span class="pre">/usr/share/common-licenses/LGPL-3</span></code>, <code class="docutils literal notranslate"><span class="pre">/usr/share/common-licenses/GFDL-1.2</span></code>, <code class="docutils literal notranslate"><span class="pre">/usr/share/common-licenses/GFDL-1.3</span></code>, <code class="docutils literal notranslate"><span class="pre">/usr/share/common-licenses/MPL-1.1</span></code>, and <code class="docutils literal notranslate"><span class="pre">/usr/share/common-licenses/MPL-2.0</span></code> respectively. The University of California BSD license is also included in base-files as <code class="docutils literal notranslate"><span class="pre">/usr/share/common-licenses/BSD</span></code>, but given the brevity of this license, its specificity to code whose copyright is held by the Regents of the University of California, and the frequency of minor wording changes, its text should be included in the copyright file rather than referencing this file.</p> </dd> <dt class="label" id="id20"><span class="brackets"><a class="fn-backref" href="#id10">10</a></span></dt> <dd><p>Rationale: People should not have to look in places for upstream changelogs merely because they are given different names or are distributed in HTML format.</p> </dd> </dl> </section> </section> <div class="clearer"></div> </div> </div> </div> <div class="sphinxsidebar" role="navigation" aria-label="main navigation"> <div class="sphinxsidebarwrapper"> <h3><a href="index.html">Table of Contents</a></h3> <ul> <li><a class="reference internal" href="#">12. Documentation</a><ul> <li><a class="reference internal" href="#manual-pages">12.1. Manual pages</a></li> <li><a class="reference internal" href="#info-documents">12.2. Info documents</a></li> <li><a class="reference internal" href="#additional-documentation">12.3. Additional documentation</a></li> <li><a class="reference internal" href="#preferred-documentation-formats">12.4. Preferred documentation formats</a></li> <li><a class="reference internal" href="#copyright-information">12.5. Copyright information</a><ul> <li><a class="reference internal" href="#machine-readable-copyright-information">12.5.1. Machine-readable copyright information</a></li> </ul> </li> <li><a class="reference internal" href="#examples">12.6. Examples</a></li> <li><a class="reference internal" href="#changelog-files-and-release-notes">12.7. Changelog files and release notes</a></li> </ul> </li> </ul> <h4>Previous topic</h4> <p class="topless"><a href="ch-customized-programs.html" title="previous chapter"><span class="section-number">11. </span>Customized programs</a></p> <h4>Next topic</h4> <p class="topless"><a href="ap-pkg-scope.html" title="next chapter"><span class="section-number">1. </span>Introduction and scope of these appendices</a></p> <div role="note" aria-label="source link"> <h3>This Page</h3> <ul class="this-page-menu"> <li><a href="_sources/ch-docs.rst.txt" rel="nofollow">Show Source</a></li> </ul> </div> <div id="searchbox" style="display: none" role="search"> <h3 id="searchlabel">Quick search</h3> <div class="searchformwrapper"> <form class="search" action="search.html" method="get"> <input type="text" name="q" aria-labelledby="searchlabel" autocomplete="off" autocorrect="off" autocapitalize="off" spellcheck="false"/> <input type="submit" value="Go" /> </form> </div> </div> <script>$('#searchbox').show(0);</script> </div> </div> <div class="clearer"></div> </div> <div class="related" role="navigation" aria-label="related navigation"> <h3>Navigation</h3> <ul> <li class="right" style="margin-right: 10px"> <a href="genindex.html" title="General Index" >index</a></li> <li class="right" > <a href="ap-pkg-scope.html" title="1. 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