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<span>Conditions</span> </div> </a> <button aria-controls="toc-Conditions-sublist" class="cdx-button cdx-button--weight-quiet cdx-button--icon-only vector-toc-toggle"> <span class="vector-icon mw-ui-icon-wikimedia-expand"></span> <span>Toggle Conditions subsection</span> </button> <ul id="toc-Conditions-sublist" class="vector-toc-list"> <li id="toc-Secondary_sections" class="vector-toc-list-item vector-toc-level-2"> <a class="vector-toc-link" href="#Secondary_sections"> <div class="vector-toc-text"> <span class="vector-toc-numb">2.1</span> <span>Secondary sections</span> </div> </a> <ul id="toc-Secondary_sections-sublist" class="vector-toc-list"> </ul> </li> <li id="toc-Commercial_redistribution" class="vector-toc-list-item vector-toc-level-2"> <a class="vector-toc-link" href="#Commercial_redistribution"> <div class="vector-toc-text"> <span class="vector-toc-numb">2.2</span> <span>Commercial redistribution</span> </div> </a> <ul id="toc-Commercial_redistribution-sublist" class="vector-toc-list"> </ul> </li> <li id="toc-Compatibility_with_Creative_Commons_licensing_terms" class="vector-toc-list-item vector-toc-level-2"> <a class="vector-toc-link" href="#Compatibility_with_Creative_Commons_licensing_terms"> <div class="vector-toc-text"> <span class="vector-toc-numb">2.3</span> <span>Compatibility with Creative Commons licensing terms</span> </div> </a> <ul id="toc-Compatibility_with_Creative_Commons_licensing_terms-sublist" class="vector-toc-list"> </ul> </li> </ul> </li> <li id="toc-Enforcement" class="vector-toc-list-item vector-toc-level-1 vector-toc-list-item-expanded"> <a class="vector-toc-link" href="#Enforcement"> <div class="vector-toc-text"> <span class="vector-toc-numb">3</span> <span>Enforcement</span> </div> </a> <ul id="toc-Enforcement-sublist" class="vector-toc-list"> </ul> </li> <li id="toc-Criticism" class="vector-toc-list-item vector-toc-level-1 vector-toc-list-item-expanded"> <a class="vector-toc-link" href="#Criticism"> <div class="vector-toc-text"> <span class="vector-toc-numb">4</span> <span>Criticism</span> </div> </a> <button aria-controls="toc-Criticism-sublist" class="cdx-button cdx-button--weight-quiet cdx-button--icon-only vector-toc-toggle"> <span class="vector-icon mw-ui-icon-wikimedia-expand"></span> <span>Toggle Criticism subsection</span> </button> <ul id="toc-Criticism-sublist" class="vector-toc-list"> <li id="toc-DRM_clause" class="vector-toc-list-item vector-toc-level-2"> <a class="vector-toc-link" href="#DRM_clause"> <div class="vector-toc-text"> <span class="vector-toc-numb">4.1</span> <span>DRM clause</span> </div> </a> <ul id="toc-DRM_clause-sublist" class="vector-toc-list"> </ul> </li> <li id="toc-Invariant_sections" class="vector-toc-list-item vector-toc-level-2"> <a class="vector-toc-link" href="#Invariant_sections"> <div class="vector-toc-text"> <span class="vector-toc-numb">4.2</span> <span>Invariant sections</span> </div> </a> <ul id="toc-Invariant_sections-sublist" class="vector-toc-list"> </ul> </li> <li id="toc-GPL_incompatible_in_both_directions" class="vector-toc-list-item vector-toc-level-2"> <a class="vector-toc-link" href="#GPL_incompatible_in_both_directions"> <div class="vector-toc-text"> <span class="vector-toc-numb">4.3</span> <span>GPL incompatible in both directions</span> </div> </a> <ul id="toc-GPL_incompatible_in_both_directions-sublist" class="vector-toc-list"> </ul> </li> <li id="toc-Burdens_when_printing" class="vector-toc-list-item vector-toc-level-2"> <a class="vector-toc-link" href="#Burdens_when_printing"> <div class="vector-toc-text"> <span class="vector-toc-numb">4.4</span> <span>Burdens when printing</span> </div> </a> <ul id="toc-Burdens_when_printing-sublist" class="vector-toc-list"> </ul> </li> </ul> </li> <li id="toc-Other_licenses_for_free_works" class="vector-toc-list-item vector-toc-level-1 vector-toc-list-item-expanded"> <a class="vector-toc-link" href="#Other_licenses_for_free_works"> <div class="vector-toc-text"> <span class="vector-toc-numb">5</span> <span>Other licenses for free works</span> </div> </a> <ul id="toc-Other_licenses_for_free_works-sublist" class="vector-toc-list"> </ul> </li> <li id="toc-List_of_projects_that_use_the_GFDL" class="vector-toc-list-item vector-toc-level-1 vector-toc-list-item-expanded"> <a class="vector-toc-link" href="#List_of_projects_that_use_the_GFDL"> <div class="vector-toc-text"> <span class="vector-toc-numb">6</span> <span>List of projects that use the GFDL</span> </div> </a> <ul id="toc-List_of_projects_that_use_the_GFDL-sublist" class="vector-toc-list"> </ul> </li> <li id="toc-See_also" class="vector-toc-list-item vector-toc-level-1 vector-toc-list-item-expanded"> <a class="vector-toc-link" href="#See_also"> <div class="vector-toc-text"> <span class="vector-toc-numb">7</span> <span>See also</span> </div> </a> <ul id="toc-See_also-sublist" class="vector-toc-list"> </ul> </li> <li id="toc-References" class="vector-toc-list-item vector-toc-level-1 vector-toc-list-item-expanded"> <a class="vector-toc-link" href="#References"> <div class="vector-toc-text"> <span class="vector-toc-numb">8</span> <span>References</span> </div> </a> <ul id="toc-References-sublist" class="vector-toc-list"> </ul> </li> <li id="toc-External_links" class="vector-toc-list-item vector-toc-level-1 vector-toc-list-item-expanded"> <a class="vector-toc-link" href="#External_links"> <div class="vector-toc-text"> <span class="vector-toc-numb">9</span> <span>External links</span> </div> </a> <ul id="toc-External_links-sublist" class="vector-toc-list"> </ul> </li> </ul> </div> </div> </nav> </div> </div> <div class="mw-content-container"> <main id="content" class="mw-body"> <header class="mw-body-header vector-page-titlebar"> <nav aria-label="Contents" class="vector-toc-landmark"> <div id="vector-page-titlebar-toc" class="vector-dropdown vector-page-titlebar-toc vector-button-flush-left" > <input type="checkbox" id="vector-page-titlebar-toc-checkbox" role="button" aria-haspopup="true" data-event-name="ui.dropdown-vector-page-titlebar-toc" class="vector-dropdown-checkbox " aria-label="Toggle the table of contents" > <label id="vector-page-titlebar-toc-label" for="vector-page-titlebar-toc-checkbox" class="vector-dropdown-label cdx-button cdx-button--fake-button cdx-button--fake-button--enabled cdx-button--weight-quiet cdx-button--icon-only " aria-hidden="true" ><span class="vector-icon mw-ui-icon-listBullet mw-ui-icon-wikimedia-listBullet"></span> <span class="vector-dropdown-label-text">Toggle the table of contents</span> </label> <div class="vector-dropdown-content"> <div id="vector-page-titlebar-toc-unpinned-container" class="vector-unpinned-container"> </div> </div> </div> </nav> <h1 id="firstHeading" class="firstHeading mw-first-heading"><span class="mw-page-title-main">GNU Free Documentation License</span></h1> <div id="p-lang-btn" class="vector-dropdown mw-portlet mw-portlet-lang" > <input type="checkbox" id="p-lang-btn-checkbox" role="button" aria-haspopup="true" data-event-name="ui.dropdown-p-lang-btn" class="vector-dropdown-checkbox mw-interlanguage-selector" aria-label="Go to an article in another language. Available in 102 languages" > <label id="p-lang-btn-label" for="p-lang-btn-checkbox" class="vector-dropdown-label cdx-button cdx-button--fake-button cdx-button--fake-button--enabled cdx-button--weight-quiet cdx-button--action-progressive mw-portlet-lang-heading-102" aria-hidden="true" ><span class="vector-icon mw-ui-icon-language-progressive mw-ui-icon-wikimedia-language-progressive"></span> <span class="vector-dropdown-label-text">102 languages</span> </label> <div class="vector-dropdown-content"> <div class="vector-menu-content"> <ul class="vector-menu-content-list"> <li class="interlanguage-link interwiki-af mw-list-item"><a href="https://af.wikipedia.org/wiki/GNU-lisensie_vir_vrye_dokumentasie" title="GNU-lisensie vir vrye dokumentasie – Afrikaans" lang="af" hreflang="af" data-title="GNU-lisensie vir vrye dokumentasie" data-language-autonym="Afrikaans" data-language-local-name="Afrikaans" class="interlanguage-link-target"><span>Afrikaans</span></a></li><li class="interlanguage-link interwiki-als mw-list-item"><a href="https://als.wikipedia.org/wiki/GNU-FDL" title="GNU-FDL – Alemannic" lang="gsw" hreflang="gsw" data-title="GNU-FDL" data-language-autonym="Alemannisch" data-language-local-name="Alemannic" class="interlanguage-link-target"><span>Alemannisch</span></a></li><li class="interlanguage-link interwiki-ang mw-list-item"><a href="https://ang.wikipedia.org/wiki/GNU_Fr%C4%93o_Gewrita_Amearcunge_L%C4%93af" title="GNU Frēo Gewrita Amearcunge Lēaf – Old English" lang="ang" hreflang="ang" data-title="GNU Frēo Gewrita Amearcunge Lēaf" data-language-autonym="Ænglisc" data-language-local-name="Old English" class="interlanguage-link-target"><span>Ænglisc</span></a></li><li class="interlanguage-link interwiki-ar mw-list-item"><a href="https://ar.wikipedia.org/wiki/%D8%B1%D8%AE%D8%B5%D8%A9_%D8%AC%D9%86%D9%88_%D9%84%D9%84%D9%88%D8%AB%D8%A7%D8%A6%D9%82_%D8%A7%D9%84%D8%AD%D8%B1%D8%A9" title="رخصة جنو للوثائق الحرة – Arabic" lang="ar" hreflang="ar" data-title="رخصة جنو للوثائق الحرة" data-language-autonym="العربية" data-language-local-name="Arabic" class="interlanguage-link-target"><span>العربية</span></a></li><li class="interlanguage-link interwiki-ast mw-list-item"><a href="https://ast.wikipedia.org/wiki/GNU_FDL" title="GNU FDL – Asturian" lang="ast" hreflang="ast" data-title="GNU FDL" data-language-autonym="Asturianu" data-language-local-name="Asturian" class="interlanguage-link-target"><span>Asturianu</span></a></li><li class="interlanguage-link interwiki-az mw-list-item"><a href="https://az.wikipedia.org/wiki/GNU_Free_Documentation_License" title="GNU Free Documentation License – Azerbaijani" lang="az" hreflang="az" data-title="GNU Free Documentation License" data-language-autonym="Azərbaycanca" data-language-local-name="Azerbaijani" class="interlanguage-link-target"><span>Azərbaycanca</span></a></li><li class="interlanguage-link interwiki-bn mw-list-item"><a href="https://bn.wikipedia.org/wiki/%E0%A6%97%E0%A7%8D%E0%A6%A8%E0%A7%81_%E0%A6%AB%E0%A7%8D%E0%A6%B0%E0%A6%BF_%E0%A6%A1%E0%A6%95%E0%A7%81%E0%A6%AE%E0%A7%87%E0%A6%A8%E0%A7%8D%E0%A6%9F%E0%A7%87%E0%A6%B6%E0%A6%BE%E0%A6%A8_%E0%A6%B2%E0%A6%BE%E0%A6%87%E0%A6%B8%E0%A7%87%E0%A6%A8%E0%A7%8D%E0%A6%B8" title="গ্নু ফ্রি ডকুমেন্টেশান লাইসেন্স – Bangla" lang="bn" hreflang="bn" data-title="গ্নু ফ্রি ডকুমেন্টেশান লাইসেন্স" data-language-autonym="বাংলা" data-language-local-name="Bangla" class="interlanguage-link-target"><span>বাংলা</span></a></li><li class="interlanguage-link interwiki-zh-min-nan mw-list-item"><a href="https://zh-min-nan.wikipedia.org/wiki/GNU_Ch%C5%AB-i%C3%BB_B%C3%BBn-ki%C4%81%E2%81%BF_H%C3%AD-kh%C3%B3-su" title="GNU Chū-iû Bûn-kiāⁿ Hí-khó-su – Minnan" lang="nan" hreflang="nan" data-title="GNU Chū-iû Bûn-kiāⁿ Hí-khó-su" data-language-autonym="閩南語 / Bân-lâm-gú" data-language-local-name="Minnan" class="interlanguage-link-target"><span>閩南語 / Bân-lâm-gú</span></a></li><li class="interlanguage-link interwiki-be mw-list-item"><a href="https://be.wikipedia.org/wiki/GNU_Free_Documentation_License" title="GNU Free Documentation License – Belarusian" lang="be" hreflang="be" data-title="GNU Free Documentation License" data-language-autonym="Беларуская" data-language-local-name="Belarusian" class="interlanguage-link-target"><span>Беларуская</span></a></li><li class="interlanguage-link interwiki-be-x-old mw-list-item"><a href="https://be-tarask.wikipedia.org/wiki/%D0%9B%D1%96%D1%86%D1%8D%D0%BD%D0%B7%D1%96%D1%8F_%D0%B2%D0%BE%D0%BB%D1%8C%D0%BD%D0%B0%D0%B9_%D0%B4%D0%B0%D0%BA%D1%83%D0%BC%D1%8D%D0%BD%D1%82%D0%B0%D1%86%D1%8B%D1%96_%D0%93%D0%9D%D0%A3" title="Ліцэнзія вольнай дакумэнтацыі ГНУ – Belarusian (Taraškievica orthography)" lang="be-tarask" hreflang="be-tarask" data-title="Ліцэнзія вольнай дакумэнтацыі ГНУ" data-language-autonym="Беларуская (тарашкевіца)" data-language-local-name="Belarusian (Taraškievica orthography)" class="interlanguage-link-target"><span>Беларуская (тарашкевіца)</span></a></li><li class="interlanguage-link interwiki-bg mw-list-item"><a href="https://bg.wikipedia.org/wiki/%D0%9B%D0%B8%D1%86%D0%B5%D0%BD%D0%B7_%D0%B7%D0%B0_%D1%81%D0%B2%D0%BE%D0%B1%D0%BE%D0%B4%D0%BD%D0%B0_%D0%B4%D0%BE%D0%BA%D1%83%D0%BC%D0%B5%D0%BD%D1%82%D0%B0%D1%86%D0%B8%D1%8F_%D0%BD%D0%B0_%D0%93%D0%9D%D0%A3" title="Лиценз за свободна документация на ГНУ – Bulgarian" lang="bg" hreflang="bg" data-title="Лиценз за свободна документация на ГНУ" data-language-autonym="Български" data-language-local-name="Bulgarian" class="interlanguage-link-target"><span>Български</span></a></li><li class="interlanguage-link interwiki-bs mw-list-item"><a href="https://bs.wikipedia.org/wiki/GNU-ova_licenca_za_slobodnu_dokumentaciju" title="GNU-ova licenca za slobodnu dokumentaciju – Bosnian" lang="bs" hreflang="bs" data-title="GNU-ova licenca za slobodnu dokumentaciju" data-language-autonym="Bosanski" data-language-local-name="Bosnian" class="interlanguage-link-target"><span>Bosanski</span></a></li><li class="interlanguage-link interwiki-bxr mw-list-item"><a href="https://bxr.wikipedia.org/wiki/GNU_FDL" title="GNU FDL – Russia Buriat" lang="bxr" hreflang="bxr" data-title="GNU FDL" data-language-autonym="Буряад" data-language-local-name="Russia Buriat" class="interlanguage-link-target"><span>Буряад</span></a></li><li class="interlanguage-link interwiki-ca mw-list-item"><a href="https://ca.wikipedia.org/wiki/Llic%C3%A8ncia_de_documentaci%C3%B3_lliure_de_GNU" title="Llicència de documentació lliure de GNU – Catalan" lang="ca" hreflang="ca" data-title="Llicència de documentació lliure de GNU" data-language-autonym="Català" data-language-local-name="Catalan" class="interlanguage-link-target"><span>Català</span></a></li><li class="interlanguage-link interwiki-cs mw-list-item"><a href="https://cs.wikipedia.org/wiki/GNU_Free_Documentation_License" title="GNU Free Documentation License – Czech" lang="cs" hreflang="cs" data-title="GNU Free Documentation License" data-language-autonym="Čeština" data-language-local-name="Czech" class="interlanguage-link-target"><span>Čeština</span></a></li><li class="interlanguage-link interwiki-da mw-list-item"><a href="https://da.wikipedia.org/wiki/GNU_Free_Documentation_License" title="GNU Free Documentation License – Danish" lang="da" hreflang="da" data-title="GNU Free Documentation License" data-language-autonym="Dansk" data-language-local-name="Danish" class="interlanguage-link-target"><span>Dansk</span></a></li><li class="interlanguage-link interwiki-de mw-list-item"><a href="https://de.wikipedia.org/wiki/GNU-Lizenz_f%C3%BCr_freie_Dokumentation" title="GNU-Lizenz für freie Dokumentation – German" lang="de" hreflang="de" data-title="GNU-Lizenz für freie Dokumentation" data-language-autonym="Deutsch" data-language-local-name="German" class="interlanguage-link-target"><span>Deutsch</span></a></li><li class="interlanguage-link interwiki-et mw-list-item"><a href="https://et.wikipedia.org/wiki/GNU_FDL" title="GNU FDL – Estonian" lang="et" hreflang="et" data-title="GNU FDL" data-language-autonym="Eesti" data-language-local-name="Estonian" class="interlanguage-link-target"><span>Eesti</span></a></li><li class="interlanguage-link interwiki-el mw-list-item"><a href="https://el.wikipedia.org/wiki/%CE%86%CE%B4%CE%B5%CE%B9%CE%B1_%CE%95%CE%BB%CE%B5%CF%8D%CE%B8%CE%B5%CF%81%CE%B7%CF%82_%CE%A4%CE%B5%CE%BA%CE%BC%CE%B7%CF%81%CE%AF%CF%89%CF%83%CE%B7%CF%82_GNU" title="Άδεια Ελεύθερης Τεκμηρίωσης GNU – Greek" lang="el" hreflang="el" data-title="Άδεια Ελεύθερης Τεκμηρίωσης GNU" data-language-autonym="Ελληνικά" data-language-local-name="Greek" class="interlanguage-link-target"><span>Ελληνικά</span></a></li><li class="interlanguage-link interwiki-es mw-list-item"><a href="https://es.wikipedia.org/wiki/Licencia_de_documentaci%C3%B3n_libre_de_GNU" title="Licencia de documentación libre de GNU – Spanish" lang="es" hreflang="es" data-title="Licencia de documentación libre de GNU" data-language-autonym="Español" data-language-local-name="Spanish" class="interlanguage-link-target"><span>Español</span></a></li><li class="interlanguage-link interwiki-eo mw-list-item"><a href="https://eo.wikipedia.org/wiki/Permesilo_de_GNU_por_Liberaj_Dokumentoj" title="Permesilo de GNU por Liberaj Dokumentoj – Esperanto" lang="eo" hreflang="eo" data-title="Permesilo de GNU por Liberaj Dokumentoj" data-language-autonym="Esperanto" data-language-local-name="Esperanto" class="interlanguage-link-target"><span>Esperanto</span></a></li><li class="interlanguage-link interwiki-eu mw-list-item"><a href="https://eu.wikipedia.org/wiki/GNU_Free_Documentation_License" title="GNU Free Documentation License – Basque" lang="eu" hreflang="eu" data-title="GNU Free Documentation License" data-language-autonym="Euskara" data-language-local-name="Basque" class="interlanguage-link-target"><span>Euskara</span></a></li><li class="interlanguage-link interwiki-fa mw-list-item"><a href="https://fa.wikipedia.org/wiki/%D9%BE%D8%B1%D9%88%D8%A7%D9%86%D9%87_%D9%85%D8%B3%D8%AA%D9%86%D8%AF%D8%A7%D8%AA_%D8%A2%D8%B2%D8%A7%D8%AF_%DA%AF%D9%86%D9%88" title="پروانه مستندات آزاد گنو – Persian" lang="fa" hreflang="fa" data-title="پروانه مستندات آزاد گنو" data-language-autonym="فارسی" data-language-local-name="Persian" class="interlanguage-link-target"><span>فارسی</span></a></li><li class="interlanguage-link interwiki-fo mw-list-item"><a href="https://fo.wikipedia.org/wiki/GNU_Free_Documentation_License" title="GNU Free Documentation License – Faroese" lang="fo" hreflang="fo" data-title="GNU Free Documentation License" data-language-autonym="Føroyskt" data-language-local-name="Faroese" class="interlanguage-link-target"><span>Føroyskt</span></a></li><li class="interlanguage-link interwiki-fr mw-list-item"><a href="https://fr.wikipedia.org/wiki/Licence_de_documentation_libre_GNU" title="Licence de documentation libre GNU – French" lang="fr" hreflang="fr" data-title="Licence de documentation libre GNU" data-language-autonym="Français" data-language-local-name="French" class="interlanguage-link-target"><span>Français</span></a></li><li class="interlanguage-link interwiki-fy mw-list-item"><a href="https://fy.wikipedia.org/wiki/GNU/FDL" title="GNU/FDL – Western Frisian" lang="fy" hreflang="fy" data-title="GNU/FDL" data-language-autonym="Frysk" data-language-local-name="Western Frisian" class="interlanguage-link-target"><span>Frysk</span></a></li><li class="interlanguage-link interwiki-ga mw-list-item"><a href="https://ga.wikipedia.org/wiki/Cead%C3%BAnas_Saorch%C3%A1ip%C3%A9is%C3%ADochta_GNU" title="Ceadúnas Saorcháipéisíochta GNU – Irish" lang="ga" hreflang="ga" data-title="Ceadúnas Saorcháipéisíochta GNU" data-language-autonym="Gaeilge" data-language-local-name="Irish" class="interlanguage-link-target"><span>Gaeilge</span></a></li><li class="interlanguage-link interwiki-gl mw-list-item"><a href="https://gl.wikipedia.org/wiki/Licenza_de_documentaci%C3%B3n_libre_de_GNU" title="Licenza de documentación libre de GNU – Galician" lang="gl" hreflang="gl" data-title="Licenza de documentación libre de GNU" data-language-autonym="Galego" data-language-local-name="Galician" class="interlanguage-link-target"><span>Galego</span></a></li><li class="interlanguage-link interwiki-gu mw-list-item"><a href="https://gu.wikipedia.org/wiki/%E0%AA%9C%E0%AB%80_%E0%AA%8F%E0%AA%AB_%E0%AA%A1%E0%AB%80_%E0%AA%8F%E0%AA%B2_(GFDL)" title="જી એફ ડી એલ (GFDL) – Gujarati" lang="gu" hreflang="gu" data-title="જી એફ ડી એલ (GFDL)" data-language-autonym="ગુજરાતી" data-language-local-name="Gujarati" class="interlanguage-link-target"><span>ગુજરાતી</span></a></li><li class="interlanguage-link interwiki-ko mw-list-item"><a href="https://ko.wikipedia.org/wiki/GNU_%EC%9E%90%EC%9C%A0_%EB%AC%B8%EC%84%9C_%EC%82%AC%EC%9A%A9_%ED%97%88%EA%B0%80%EC%84%9C" title="GNU 자유 문서 사용 허가서 – Korean" lang="ko" hreflang="ko" data-title="GNU 자유 문서 사용 허가서" data-language-autonym="한국어" data-language-local-name="Korean" class="interlanguage-link-target"><span>한국어</span></a></li><li class="interlanguage-link interwiki-hy mw-list-item"><a href="https://hy.wikipedia.org/wiki/%D4%B3%D5%86%D5%88%D5%92_%D5%A1%D5%A6%D5%A1%D5%BF_%D6%83%D5%A1%D5%BD%D5%BF%D5%A1%D5%A9%D5%B2%D5%A9%D5%A1%D5%B5%D5%AB%D5%B6_%D5%A1%D6%80%D5%BF%D5%B8%D5%B6%D5%A1%D5%A3%D5%AB%D6%80" title="ԳՆՈՒ ազատ փաստաթղթային արտոնագիր – Armenian" lang="hy" hreflang="hy" data-title="ԳՆՈՒ ազատ փաստաթղթային արտոնագիր" data-language-autonym="Հայերեն" data-language-local-name="Armenian" class="interlanguage-link-target"><span>Հայերեն</span></a></li><li class="interlanguage-link interwiki-hi mw-list-item"><a href="https://hi.wikipedia.org/wiki/%E0%A4%9C%E0%A5%80%E0%A4%8F%E0%A4%A8%E0%A4%AF%E0%A5%82_%E0%A4%AB%E0%A5%8D%E0%A4%B0%E0%A5%80_%E0%A4%A1%E0%A5%89%E0%A4%95%E0%A5%8D%E0%A4%AF%E0%A5%82%E0%A4%AE%E0%A5%87%E0%A4%82%E0%A4%9F%E0%A5%87%E0%A4%B6%E0%A4%A8_%E0%A4%B2%E0%A4%BE%E0%A4%87%E0%A4%B8%E0%A5%87%E0%A4%82%E0%A4%B8" title="जीएनयू फ्री डॉक्यूमेंटेशन लाइसेंस – Hindi" lang="hi" hreflang="hi" data-title="जीएनयू फ्री डॉक्यूमेंटेशन लाइसेंस" data-language-autonym="हिन्दी" data-language-local-name="Hindi" class="interlanguage-link-target"><span>हिन्दी</span></a></li><li class="interlanguage-link interwiki-hr mw-list-item"><a href="https://hr.wikipedia.org/wiki/Wikipedija:Tekst_GNU-ove_Licence_za_slobodnu_dokumentaciju" title="Wikipedija:Tekst GNU-ove Licence za slobodnu dokumentaciju – Croatian" lang="hr" hreflang="hr" data-title="Wikipedija:Tekst GNU-ove Licence za slobodnu dokumentaciju" data-language-autonym="Hrvatski" data-language-local-name="Croatian" class="interlanguage-link-target"><span>Hrvatski</span></a></li><li class="interlanguage-link interwiki-ig mw-list-item"><a href="https://ig.wikipedia.org/wiki/GNU_Free_Documentation_License" title="GNU Free Documentation License – Igbo" lang="ig" hreflang="ig" data-title="GNU Free Documentation License" data-language-autonym="Igbo" data-language-local-name="Igbo" class="interlanguage-link-target"><span>Igbo</span></a></li><li class="interlanguage-link interwiki-ilo mw-list-item"><a href="https://ilo.wikipedia.org/wiki/GNU_Free_Documentation_License" title="GNU Free Documentation License – Iloko" lang="ilo" hreflang="ilo" data-title="GNU Free Documentation License" data-language-autonym="Ilokano" data-language-local-name="Iloko" class="interlanguage-link-target"><span>Ilokano</span></a></li><li class="interlanguage-link interwiki-id mw-list-item"><a href="https://id.wikipedia.org/wiki/Lisensi_Dokumentasi_Bebas_GNU" title="Lisensi Dokumentasi Bebas GNU – Indonesian" lang="id" hreflang="id" data-title="Lisensi Dokumentasi Bebas GNU" data-language-autonym="Bahasa Indonesia" data-language-local-name="Indonesian" class="interlanguage-link-target"><span>Bahasa Indonesia</span></a></li><li class="interlanguage-link interwiki-ia mw-list-item"><a href="https://ia.wikipedia.org/wiki/Licentia_GNU_pro_Documentation_Libere" title="Licentia GNU pro Documentation Libere – Interlingua" lang="ia" hreflang="ia" data-title="Licentia GNU pro Documentation Libere" data-language-autonym="Interlingua" data-language-local-name="Interlingua" class="interlanguage-link-target"><span>Interlingua</span></a></li><li class="interlanguage-link interwiki-is mw-list-item"><a href="https://is.wikipedia.org/wiki/Frj%C3%A1lsa_GNU-handb%C3%B3karleyfi%C3%B0" title="Frjálsa GNU-handbókarleyfið – Icelandic" lang="is" hreflang="is" data-title="Frjálsa GNU-handbókarleyfið" data-language-autonym="Íslenska" data-language-local-name="Icelandic" class="interlanguage-link-target"><span>Íslenska</span></a></li><li class="interlanguage-link interwiki-it mw-list-item"><a href="https://it.wikipedia.org/wiki/GNU_Free_Documentation_License" title="GNU Free Documentation License – Italian" lang="it" hreflang="it" data-title="GNU Free Documentation License" data-language-autonym="Italiano" data-language-local-name="Italian" class="interlanguage-link-target"><span>Italiano</span></a></li><li class="interlanguage-link interwiki-he mw-list-item"><a href="https://he.wikipedia.org/wiki/%D7%94%D7%A8%D7%99%D7%A9%D7%99%D7%95%D7%9F_%D7%9C%D7%A9%D7%99%D7%9E%D7%95%D7%A9_%D7%97%D7%95%D7%A4%D7%A9%D7%99_%D7%91%D7%9E%D7%A1%D7%9E%D7%9B%D7%99%D7%9D_%D7%A9%D7%9C_%D7%92%D7%A0%D7%95" title="הרישיון לשימוש חופשי במסמכים של גנו – Hebrew" lang="he" hreflang="he" data-title="הרישיון לשימוש חופשי במסמכים של גנו" data-language-autonym="עברית" data-language-local-name="Hebrew" class="interlanguage-link-target"><span>עברית</span></a></li><li class="interlanguage-link interwiki-jv mw-list-item"><a href="https://jv.wikipedia.org/wiki/GFDL" title="GFDL – Javanese" lang="jv" hreflang="jv" data-title="GFDL" data-language-autonym="Jawa" data-language-local-name="Javanese" class="interlanguage-link-target"><span>Jawa</span></a></li><li class="interlanguage-link interwiki-ka mw-list-item"><a href="https://ka.wikipedia.org/wiki/GNU_Free_Documentation_License" title="GNU Free Documentation License – Georgian" lang="ka" hreflang="ka" data-title="GNU Free Documentation License" data-language-autonym="ქართული" data-language-local-name="Georgian" class="interlanguage-link-target"><span>ქართული</span></a></li><li class="interlanguage-link interwiki-csb mw-list-item"><a href="https://csb.wikipedia.org/wiki/GNU_Free_Documentation_License" title="GNU Free Documentation License – Kashubian" lang="csb" hreflang="csb" data-title="GNU Free Documentation License" data-language-autonym="Kaszëbsczi" data-language-local-name="Kashubian" class="interlanguage-link-target"><span>Kaszëbsczi</span></a></li><li class="interlanguage-link interwiki-sw mw-list-item"><a href="https://sw.wikipedia.org/wiki/GNU_Free_Documentation_License" title="GNU Free Documentation License – Swahili" lang="sw" hreflang="sw" data-title="GNU Free Documentation License" data-language-autonym="Kiswahili" data-language-local-name="Swahili" class="interlanguage-link-target"><span>Kiswahili</span></a></li><li class="interlanguage-link interwiki-lv mw-list-item"><a href="https://lv.wikipedia.org/wiki/GNU_Free_Documentation_License" title="GNU Free Documentation License – Latvian" lang="lv" hreflang="lv" data-title="GNU Free Documentation License" data-language-autonym="Latviešu" data-language-local-name="Latvian" class="interlanguage-link-target"><span>Latviešu</span></a></li><li class="interlanguage-link interwiki-lb mw-list-item"><a href="https://lb.wikipedia.org/wiki/GNU_Free_Documentation_License" title="GNU Free Documentation License – Luxembourgish" lang="lb" hreflang="lb" data-title="GNU Free Documentation License" data-language-autonym="Lëtzebuergesch" data-language-local-name="Luxembourgish" class="interlanguage-link-target"><span>Lëtzebuergesch</span></a></li><li class="interlanguage-link interwiki-lt mw-list-item"><a href="https://lt.wikipedia.org/wiki/GNU_laisvosios_dokumentacijos_licencija" title="GNU laisvosios dokumentacijos licencija – Lithuanian" lang="lt" hreflang="lt" data-title="GNU laisvosios dokumentacijos licencija" data-language-autonym="Lietuvių" data-language-local-name="Lithuanian" class="interlanguage-link-target"><span>Lietuvių</span></a></li><li class="interlanguage-link interwiki-li mw-list-item"><a href="https://li.wikipedia.org/wiki/GNU_Free_Documentation_License" title="GNU Free Documentation License – Limburgish" lang="li" hreflang="li" data-title="GNU Free Documentation License" data-language-autonym="Limburgs" data-language-local-name="Limburgish" class="interlanguage-link-target"><span>Limburgs</span></a></li><li class="interlanguage-link interwiki-lmo mw-list-item"><a href="https://lmo.wikipedia.org/wiki/Licenza_de_documentazion_libera_GNU" title="Licenza de documentazion libera GNU – Lombard" lang="lmo" hreflang="lmo" data-title="Licenza de documentazion libera GNU" data-language-autonym="Lombard" data-language-local-name="Lombard" class="interlanguage-link-target"><span>Lombard</span></a></li><li class="interlanguage-link interwiki-hu mw-list-item"><a href="https://hu.wikipedia.org/wiki/GNU_Free_Documentation_License" title="GNU Free Documentation License – Hungarian" lang="hu" hreflang="hu" data-title="GNU Free Documentation License" data-language-autonym="Magyar" data-language-local-name="Hungarian" class="interlanguage-link-target"><span>Magyar</span></a></li><li class="interlanguage-link interwiki-mad mw-list-item"><a href="https://mad.wikipedia.org/wiki/Lis%C3%A9nsi_Dokum%C3%A9ntasi_B%C3%A9bas_GNU" title="Lisénsi Dokuméntasi Bébas GNU – Madurese" lang="mad" hreflang="mad" data-title="Lisénsi Dokuméntasi Bébas GNU" data-language-autonym="Madhurâ" data-language-local-name="Madurese" class="interlanguage-link-target"><span>Madhurâ</span></a></li><li class="interlanguage-link interwiki-mk mw-list-item"><a href="https://mk.wikipedia.org/wiki/%D0%93%D0%9D%D0%A3-%D0%BE%D0%B2%D0%B0_%D0%BB%D0%B8%D1%86%D0%B5%D0%BD%D1%86%D0%B0_%D0%B7%D0%B0_%D1%81%D0%BB%D0%BE%D0%B1%D0%BE%D0%B4%D0%BD%D0%B0_%D0%B4%D0%BE%D0%BA%D1%83%D0%BC%D0%B5%D0%BD%D1%82%D0%B0%D1%86%D0%B8%D1%98%D0%B0" title="ГНУ-ова лиценца за слободна документација – Macedonian" lang="mk" hreflang="mk" data-title="ГНУ-ова лиценца за слободна документација" data-language-autonym="Македонски" data-language-local-name="Macedonian" class="interlanguage-link-target"><span>Македонски</span></a></li><li class="interlanguage-link interwiki-ml mw-list-item"><a href="https://ml.wikipedia.org/wiki/%E0%B4%97%E0%B5%8D%E0%B4%A8%E0%B5%82_%E0%B4%B8%E0%B5%8D%E0%B4%B5%E0%B4%A4%E0%B4%A8%E0%B5%8D%E0%B4%A4%E0%B5%8D%E0%B4%B0_%E0%B4%AA%E0%B5%8D%E0%B4%B0%E0%B4%B8%E0%B4%BF%E0%B4%A6%E0%B5%8D%E0%B4%A7%E0%B5%80%E0%B4%95%E0%B4%B0%E0%B4%A3%E0%B4%BE%E0%B4%A8%E0%B5%81%E0%B4%AE%E0%B4%A4%E0%B4%BF" title="ഗ്നൂ സ്വതന്ത്ര പ്രസിദ്ധീകരണാനുമതി – Malayalam" lang="ml" hreflang="ml" data-title="ഗ്നൂ സ്വതന്ത്ര പ്രസിദ്ധീകരണാനുമതി" data-language-autonym="മലയാളം" data-language-local-name="Malayalam" class="interlanguage-link-target"><span>മലയാളം</span></a></li><li class="interlanguage-link interwiki-mi mw-list-item"><a href="https://mi.wikipedia.org/wiki/GNU_FDL" title="GNU FDL – Māori" lang="mi" hreflang="mi" data-title="GNU FDL" data-language-autonym="Māori" data-language-local-name="Māori" class="interlanguage-link-target"><span>Māori</span></a></li><li class="interlanguage-link interwiki-xmf mw-list-item"><a href="https://xmf.wikipedia.org/wiki/GNU_Free_Documentation_License" title="GNU Free Documentation License – Mingrelian" lang="xmf" hreflang="xmf" data-title="GNU Free Documentation License" data-language-autonym="მარგალური" data-language-local-name="Mingrelian" class="interlanguage-link-target"><span>მარგალური</span></a></li><li class="interlanguage-link interwiki-ms mw-list-item"><a href="https://ms.wikipedia.org/wiki/Lesen_Dokumentasi_Bebas_GNU" title="Lesen Dokumentasi Bebas GNU – Malay" lang="ms" hreflang="ms" data-title="Lesen Dokumentasi Bebas GNU" data-language-autonym="Bahasa Melayu" data-language-local-name="Malay" class="interlanguage-link-target"><span>Bahasa Melayu</span></a></li><li class="interlanguage-link interwiki-cdo mw-list-item"><a href="https://cdo.wikipedia.org/wiki/GNU_C%C3%AA%CC%A4%E1%B9%B3-i%C3%B9_%C3%99ng-d%C3%A1ung_H%E1%B9%B3%CC%84-k%C5%8D%CC%A4-c%C3%A9ng" title="GNU Cê̤ṳ-iù Ùng-dáung Hṳ̄-kō̤-céng – Mindong" lang="cdo" hreflang="cdo" data-title="GNU Cê̤ṳ-iù Ùng-dáung Hṳ̄-kō̤-céng" data-language-autonym="閩東語 / Mìng-dĕ̤ng-ngṳ̄" data-language-local-name="Mindong" class="interlanguage-link-target"><span>閩東語 / Mìng-dĕ̤ng-ngṳ̄</span></a></li><li class="interlanguage-link interwiki-mn mw-list-item"><a href="https://mn.wikipedia.org/wiki/%D0%93%D0%9D%D0%A3_%D1%87%D3%A9%D0%BB%D3%A9%D3%A9%D1%82_%D0%B1%D0%B0%D1%80%D0%B8%D0%BC%D1%82_%D0%B1%D0%B8%D1%87%D0%B3%D0%B8%D0%B9%D0%BD_%D0%BB%D0%B8%D1%86%D0%B5%D0%BD%D0%B7" title="ГНУ чөлөөт баримт бичгийн лиценз – Mongolian" lang="mn" hreflang="mn" data-title="ГНУ чөлөөт баримт бичгийн лиценз" data-language-autonym="Монгол" data-language-local-name="Mongolian" class="interlanguage-link-target"><span>Монгол</span></a></li><li class="interlanguage-link interwiki-nl mw-list-item"><a href="https://nl.wikipedia.org/wiki/GNU-licentie_voor_vrije_documentatie" title="GNU-licentie voor vrije documentatie – Dutch" lang="nl" hreflang="nl" data-title="GNU-licentie voor vrije documentatie" data-language-autonym="Nederlands" data-language-local-name="Dutch" class="interlanguage-link-target"><span>Nederlands</span></a></li><li class="interlanguage-link interwiki-nds-nl mw-list-item"><a href="https://nds-nl.wikipedia.org/wiki/GNU-lisensie_veur_vri%27je_dokument%C3%A4sie" title="GNU-lisensie veur vri'je dokumentäsie – Low Saxon" lang="nds-NL" hreflang="nds-NL" data-title="GNU-lisensie veur vri'je dokumentäsie" data-language-autonym="Nedersaksies" data-language-local-name="Low Saxon" class="interlanguage-link-target"><span>Nedersaksies</span></a></li><li class="interlanguage-link interwiki-ja mw-list-item"><a href="https://ja.wikipedia.org/wiki/GNU_Free_Documentation_License" title="GNU Free Documentation License – Japanese" lang="ja" hreflang="ja" data-title="GNU Free Documentation License" data-language-autonym="日本語" data-language-local-name="Japanese" class="interlanguage-link-target"><span>日本語</span></a></li><li class="interlanguage-link interwiki-no mw-list-item"><a href="https://no.wikipedia.org/wiki/GNU_fri_dokumentasjonslisens" title="GNU fri dokumentasjonslisens – Norwegian Bokmål" lang="nb" hreflang="nb" data-title="GNU fri dokumentasjonslisens" data-language-autonym="Norsk bokmål" data-language-local-name="Norwegian Bokmål" class="interlanguage-link-target"><span>Norsk bokmål</span></a></li><li class="interlanguage-link interwiki-nn mw-list-item"><a href="https://nn.wikipedia.org/wiki/GNU_Free_Documentation_License" title="GNU Free Documentation License – Norwegian Nynorsk" lang="nn" hreflang="nn" data-title="GNU Free Documentation License" data-language-autonym="Norsk nynorsk" data-language-local-name="Norwegian Nynorsk" class="interlanguage-link-target"><span>Norsk nynorsk</span></a></li><li class="interlanguage-link interwiki-oc mw-list-item"><a href="https://oc.wikipedia.org/wiki/Lic%C3%A9ncia_de_documentacion_liura_GNU" title="Licéncia de documentacion liura GNU – Occitan" lang="oc" hreflang="oc" data-title="Licéncia de documentacion liura GNU" data-language-autonym="Occitan" data-language-local-name="Occitan" class="interlanguage-link-target"><span>Occitan</span></a></li><li class="interlanguage-link interwiki-nds mw-list-item"><a href="https://nds.wikipedia.org/wiki/GNU-FDL" title="GNU-FDL – Low German" lang="nds" hreflang="nds" data-title="GNU-FDL" data-language-autonym="Plattdüütsch" data-language-local-name="Low German" class="interlanguage-link-target"><span>Plattdüütsch</span></a></li><li class="interlanguage-link interwiki-pl mw-list-item"><a href="https://pl.wikipedia.org/wiki/GNU_Free_Documentation_License" title="GNU Free Documentation License – Polish" lang="pl" hreflang="pl" data-title="GNU Free Documentation License" data-language-autonym="Polski" data-language-local-name="Polish" class="interlanguage-link-target"><span>Polski</span></a></li><li class="interlanguage-link interwiki-pt mw-list-item"><a href="https://pt.wikipedia.org/wiki/GNU_Free_Documentation_License" title="GNU Free Documentation License – Portuguese" lang="pt" hreflang="pt" data-title="GNU Free Documentation License" data-language-autonym="Português" data-language-local-name="Portuguese" class="interlanguage-link-target"><span>Português</span></a></li><li class="interlanguage-link interwiki-ksh mw-list-item"><a href="https://ksh.wikipedia.org/wiki/GNU_Liz%C3%A4nnz_f%C3%B6r_n_fr%C3%A4%C4%B3e_Dokementazjon" title="GNU Lizännz för n fräĳe Dokementazjon – Colognian" lang="ksh" hreflang="ksh" data-title="GNU Lizännz för n fräĳe Dokementazjon" data-language-autonym="Ripoarisch" data-language-local-name="Colognian" class="interlanguage-link-target"><span>Ripoarisch</span></a></li><li class="interlanguage-link interwiki-ro mw-list-item"><a href="https://ro.wikipedia.org/wiki/Licen%C8%9Ba_GNU_pentru_Documenta%C8%9Bie_Liber%C4%83" title="Licența GNU pentru Documentație Liberă – Romanian" lang="ro" hreflang="ro" data-title="Licența GNU pentru Documentație Liberă" data-language-autonym="Română" data-language-local-name="Romanian" class="interlanguage-link-target"><span>Română</span></a></li><li class="interlanguage-link interwiki-ru mw-list-item"><a href="https://ru.wikipedia.org/wiki/GNU_FDL" title="GNU FDL – Russian" lang="ru" hreflang="ru" data-title="GNU FDL" data-language-autonym="Русский" data-language-local-name="Russian" class="interlanguage-link-target"><span>Русский</span></a></li><li class="interlanguage-link interwiki-sah mw-list-item"><a href="https://sah.wikipedia.org/wiki/GFDL" title="GFDL – Yakut" lang="sah" hreflang="sah" data-title="GFDL" data-language-autonym="Саха тыла" data-language-local-name="Yakut" class="interlanguage-link-target"><span>Саха тыла</span></a></li><li class="interlanguage-link interwiki-sc mw-list-item"><a href="https://sc.wikipedia.org/wiki/GNU_Free_Documentation_License" title="GNU Free Documentation License – Sardinian" lang="sc" hreflang="sc" data-title="GNU Free Documentation License" data-language-autonym="Sardu" data-language-local-name="Sardinian" class="interlanguage-link-target"><span>Sardu</span></a></li><li class="interlanguage-link interwiki-sco mw-list-item"><a href="https://sco.wikipedia.org/wiki/GNU_Free_Documentation_License" title="GNU Free Documentation License – Scots" lang="sco" hreflang="sco" data-title="GNU Free Documentation License" data-language-autonym="Scots" data-language-local-name="Scots" class="interlanguage-link-target"><span>Scots</span></a></li><li class="interlanguage-link interwiki-scn mw-list-item"><a href="https://scn.wikipedia.org/wiki/GNU_Licenza_L%C3%ACbbira_di_Ducumentazzioni" title="GNU Licenza Lìbbira di Ducumentazzioni – Sicilian" lang="scn" hreflang="scn" data-title="GNU Licenza Lìbbira di Ducumentazzioni" data-language-autonym="Sicilianu" data-language-local-name="Sicilian" class="interlanguage-link-target"><span>Sicilianu</span></a></li><li class="interlanguage-link interwiki-si mw-list-item"><a href="https://si.wikipedia.org/wiki/GNU_Free_Documentation_License" title="GNU Free Documentation License – Sinhala" lang="si" hreflang="si" data-title="GNU Free Documentation License" data-language-autonym="සිංහල" data-language-local-name="Sinhala" class="interlanguage-link-target"><span>සිංහල</span></a></li><li class="interlanguage-link interwiki-simple mw-list-item"><a href="https://simple.wikipedia.org/wiki/GNU_Free_Documentation_License" title="GNU Free Documentation License – Simple English" lang="en-simple" hreflang="en-simple" data-title="GNU Free Documentation License" data-language-autonym="Simple English" data-language-local-name="Simple English" class="interlanguage-link-target"><span>Simple English</span></a></li><li class="interlanguage-link interwiki-sd mw-list-item"><a href="https://sd.wikipedia.org/wiki/%D8%AC%D9%8A_%D8%A7%D9%8A%D9%86_%D9%8A%D9%88_%D8%A2%D8%B2%D8%A7%D8%AF_%D8%AF%D8%B3%D8%AA%D8%A7%D9%88%D9%8A%D8%B2_%D8%A7%D8%AC%D8%A7%D8%B2%D8%AA_%D9%86%D8%A7%D9%85%D9%88" title="جي اين يو آزاد دستاويز اجازت نامو – Sindhi" lang="sd" hreflang="sd" data-title="جي اين يو آزاد دستاويز اجازت نامو" data-language-autonym="سنڌي" data-language-local-name="Sindhi" class="interlanguage-link-target"><span>سنڌي</span></a></li><li class="interlanguage-link interwiki-sk mw-list-item"><a href="https://sk.wikipedia.org/wiki/GNU_Free_Documentation_License" title="GNU Free Documentation License – Slovak" lang="sk" hreflang="sk" data-title="GNU Free Documentation License" data-language-autonym="Slovenčina" data-language-local-name="Slovak" class="interlanguage-link-target"><span>Slovenčina</span></a></li><li class="interlanguage-link interwiki-sl mw-list-item"><a href="https://sl.wikipedia.org/wiki/Licenca_GNU_za_prosto_dokumentacijo" title="Licenca GNU za prosto dokumentacijo – Slovenian" lang="sl" hreflang="sl" data-title="Licenca GNU za prosto dokumentacijo" data-language-autonym="Slovenščina" data-language-local-name="Slovenian" class="interlanguage-link-target"><span>Slovenščina</span></a></li><li class="interlanguage-link interwiki-sr mw-list-item"><a href="https://sr.wikipedia.org/wiki/%D0%93%D0%9D%D0%A3-%D0%BE%D0%B2%D0%B0_%D0%BB%D0%B8%D1%86%D0%B5%D0%BD%D1%86%D0%B0_%D0%B7%D0%B0_%D1%81%D0%BB%D0%BE%D0%B1%D0%BE%D0%B4%D0%BD%D1%83_%D0%B4%D0%BE%D0%BA%D1%83%D0%BC%D0%B5%D0%BD%D1%82%D0%B0%D1%86%D0%B8%D1%98%D1%83" title="ГНУ-ова лиценца за слободну документацију – Serbian" lang="sr" hreflang="sr" data-title="ГНУ-ова лиценца за слободну документацију" data-language-autonym="Српски / srpski" data-language-local-name="Serbian" class="interlanguage-link-target"><span>Српски / srpski</span></a></li><li class="interlanguage-link interwiki-sh mw-list-item"><a href="https://sh.wikipedia.org/wiki/Licenca_GNU-a_za_slobodnu_dokumentaciju" title="Licenca GNU-a za slobodnu dokumentaciju – Serbo-Croatian" lang="sh" hreflang="sh" data-title="Licenca GNU-a za slobodnu dokumentaciju" data-language-autonym="Srpskohrvatski / српскохрватски" data-language-local-name="Serbo-Croatian" class="interlanguage-link-target"><span>Srpskohrvatski / српскохрватски</span></a></li><li class="interlanguage-link interwiki-su mw-list-item"><a href="https://su.wikipedia.org/wiki/Lis%C3%A9nsi_Dokum%C3%A9n_B%C3%A9bas_GNU" title="Lisénsi Dokumén Bébas GNU – Sundanese" lang="su" hreflang="su" data-title="Lisénsi Dokumén Bébas GNU" data-language-autonym="Sunda" data-language-local-name="Sundanese" class="interlanguage-link-target"><span>Sunda</span></a></li><li class="interlanguage-link interwiki-fi mw-list-item"><a href="https://fi.wikipedia.org/wiki/GNU_Free_Documentation_License" title="GNU Free Documentation License – Finnish" lang="fi" hreflang="fi" data-title="GNU Free Documentation License" data-language-autonym="Suomi" data-language-local-name="Finnish" class="interlanguage-link-target"><span>Suomi</span></a></li><li class="interlanguage-link interwiki-sv mw-list-item"><a href="https://sv.wikipedia.org/wiki/GNU_Free_Documentation_License" title="GNU Free Documentation License – Swedish" lang="sv" hreflang="sv" data-title="GNU Free Documentation License" data-language-autonym="Svenska" data-language-local-name="Swedish" class="interlanguage-link-target"><span>Svenska</span></a></li><li class="interlanguage-link interwiki-tl mw-list-item"><a href="https://tl.wikipedia.org/wiki/GNU_Free_Documentation_License" title="GNU Free Documentation License – Tagalog" lang="tl" hreflang="tl" data-title="GNU Free Documentation License" data-language-autonym="Tagalog" data-language-local-name="Tagalog" class="interlanguage-link-target"><span>Tagalog</span></a></li><li class="interlanguage-link interwiki-ta mw-list-item"><a href="https://ta.wikipedia.org/wiki/%E0%AE%95%E0%AF%81%E0%AE%A9%E0%AF%82_%E0%AE%A4%E0%AE%B3%E0%AF%88%E0%AE%AF%E0%AE%B1%E0%AF%81_%E0%AE%86%E0%AE%B5%E0%AE%A3_%E0%AE%89%E0%AE%B0%E0%AE%BF%E0%AE%AE%E0%AE%AE%E0%AF%8D" title="குனூ தளையறு ஆவண உரிமம் – Tamil" lang="ta" hreflang="ta" data-title="குனூ தளையறு ஆவண உரிமம்" data-language-autonym="தமிழ்" data-language-local-name="Tamil" class="interlanguage-link-target"><span>தமிழ்</span></a></li><li class="interlanguage-link interwiki-roa-tara mw-list-item"><a href="https://roa-tara.wikipedia.org/wiki/GNU_Free_Documentation_License" title="GNU Free Documentation License – Tarantino" lang="nap-x-tara" hreflang="nap-x-tara" data-title="GNU Free Documentation License" data-language-autonym="Tarandíne" data-language-local-name="Tarantino" class="interlanguage-link-target"><span>Tarandíne</span></a></li><li class="interlanguage-link interwiki-te mw-list-item"><a href="https://te.wikipedia.org/wiki/GNU_%E0%B0%89%E0%B0%9A%E0%B0%BF%E0%B0%A4_%E0%B0%AD%E0%B0%BE%E0%B0%B5%E0%B0%B5%E0%B1%8D%E0%B0%AF%E0%B0%95%E0%B1%8D%E0%B0%A4%E0%B1%80%E0%B0%95%E0%B0%B0%E0%B0%A3_%E0%B0%B2%E0%B1%88%E0%B0%B8%E0%B1%86%E0%B0%A8%E0%B1%8D%E0%B0%B8%E0%B1%81" title="GNU ఉచిత భావవ్యక్తీకరణ లైసెన్సు – Telugu" lang="te" hreflang="te" data-title="GNU ఉచిత భావవ్యక్తీకరణ లైసెన్సు" data-language-autonym="తెలుగు" data-language-local-name="Telugu" class="interlanguage-link-target"><span>తెలుగు</span></a></li><li class="interlanguage-link interwiki-th mw-list-item"><a href="https://th.wikipedia.org/wiki/%E0%B8%AA%E0%B8%B1%E0%B8%8D%E0%B8%8D%E0%B8%B2%E0%B8%AD%E0%B8%99%E0%B8%B8%E0%B8%8D%E0%B8%B2%E0%B8%95%E0%B9%80%E0%B8%AD%E0%B8%81%E0%B8%AA%E0%B8%B2%E0%B8%A3%E0%B9%80%E0%B8%AA%E0%B8%A3%E0%B8%B5%E0%B8%82%E0%B8%AD%E0%B8%87%E0%B8%81%E0%B8%99%E0%B8%B9" title="สัญญาอนุญาตเอกสารเสรีของกนู – Thai" lang="th" hreflang="th" data-title="สัญญาอนุญาตเอกสารเสรีของกนู" data-language-autonym="ไทย" data-language-local-name="Thai" class="interlanguage-link-target"><span>ไทย</span></a></li><li class="interlanguage-link interwiki-tr mw-list-item"><a href="https://tr.wikipedia.org/wiki/GNU_%C3%96zg%C3%BCr_Belgeleme_Lisans%C4%B1" title="GNU Özgür Belgeleme Lisansı – Turkish" lang="tr" hreflang="tr" data-title="GNU Özgür Belgeleme Lisansı" data-language-autonym="Türkçe" data-language-local-name="Turkish" class="interlanguage-link-target"><span>Türkçe</span></a></li><li class="interlanguage-link interwiki-uk mw-list-item"><a href="https://uk.wikipedia.org/wiki/GNU_Free_Documentation_License" title="GNU Free Documentation License – Ukrainian" lang="uk" hreflang="uk" data-title="GNU Free Documentation License" data-language-autonym="Українська" data-language-local-name="Ukrainian" class="interlanguage-link-target"><span>Українська</span></a></li><li class="interlanguage-link interwiki-ur mw-list-item"><a href="https://ur.wikipedia.org/wiki/%DA%AF%D9%86%D9%88_%D8%A2%D8%B2%D8%A7%D8%AF_%D9%85%D8%B3%D9%88%D8%AF%D8%A7%D8%AA%DB%8C_%D8%A7%D8%AC%D8%A7%D8%B2%D8%AA_%D9%86%D8%A7%D9%85%DB%81" title="گنو آزاد مسوداتی اجازت نامہ – Urdu" lang="ur" hreflang="ur" data-title="گنو آزاد مسوداتی اجازت نامہ" data-language-autonym="اردو" data-language-local-name="Urdu" class="interlanguage-link-target"><span>اردو</span></a></li><li class="interlanguage-link interwiki-vec mw-list-item"><a href="https://vec.wikipedia.org/wiki/GNU_Free_Documentation_License" title="GNU Free Documentation License – Venetian" lang="vec" hreflang="vec" data-title="GNU Free Documentation License" data-language-autonym="Vèneto" data-language-local-name="Venetian" class="interlanguage-link-target"><span>Vèneto</span></a></li><li class="interlanguage-link interwiki-vi mw-list-item"><a href="https://vi.wikipedia.org/wiki/Gi%E1%BA%A5y_ph%C3%A9p_T%C3%A0i_li%E1%BB%87u_T%E1%BB%B1_do_GNU" title="Giấy phép Tài liệu Tự do GNU – Vietnamese" lang="vi" hreflang="vi" data-title="Giấy phép Tài liệu Tự do GNU" data-language-autonym="Tiếng Việt" data-language-local-name="Vietnamese" class="interlanguage-link-target"><span>Tiếng Việt</span></a></li><li class="interlanguage-link interwiki-wa mw-list-item"><a href="https://wa.wikipedia.org/wiki/Licince_di_libe_documint%C3%A5cion_di_GNU" title="Licince di libe documintåcion di GNU – Walloon" lang="wa" hreflang="wa" data-title="Licince di libe documintåcion di GNU" data-language-autonym="Walon" data-language-local-name="Walloon" class="interlanguage-link-target"><span>Walon</span></a></li><li class="interlanguage-link interwiki-zh-classical mw-list-item"><a href="https://zh-classical.wikipedia.org/wiki/%E9%9D%A9%E5%A5%B4%E8%87%AA%E7%94%B1%E6%96%87%E6%AA%94%E8%A8%B1%E5%8F%AF%E5%8D%94%E8%AD%B0" title="革奴自由文檔許可協議 – Literary Chinese" lang="lzh" hreflang="lzh" data-title="革奴自由文檔許可協議" data-language-autonym="文言" data-language-local-name="Literary Chinese" class="interlanguage-link-target"><span>文言</span></a></li><li class="interlanguage-link interwiki-vls mw-list-item"><a href="https://vls.wikipedia.org/wiki/GFDL" title="GFDL – West Flemish" lang="vls" hreflang="vls" data-title="GFDL" data-language-autonym="West-Vlams" data-language-local-name="West Flemish" class="interlanguage-link-target"><span>West-Vlams</span></a></li><li class="interlanguage-link interwiki-wuu mw-list-item"><a href="https://wuu.wikipedia.org/wiki/GNU%E8%87%AA%E7%94%B1%E6%96%87%E6%A1%A3%E8%AE%B8%E5%8F%AF%E8%AF%81" title="GNU自由文档许可证 – Wu" lang="wuu" hreflang="wuu" data-title="GNU自由文档许可证" data-language-autonym="吴语" data-language-local-name="Wu" class="interlanguage-link-target"><span>吴语</span></a></li><li class="interlanguage-link interwiki-yi mw-list-item"><a href="https://yi.wikipedia.org/wiki/GNU_%D7%A4%D7%A8%D7%99%D7%99%D7%A2_%D7%93%D7%90%D7%A7%D7%95%D7%9E%D7%A2%D7%A0%D7%98%D7%90%D7%A6%D7%99%D7%A2_%D7%9C%D7%99%D7%A6%D7%A2%D7%A0%D7%A5" title="GNU פרייע דאקומענטאציע ליצענץ – Yiddish" lang="yi" hreflang="yi" data-title="GNU פרייע דאקומענטאציע ליצענץ" data-language-autonym="ייִדיש" data-language-local-name="Yiddish" class="interlanguage-link-target"><span>ייִדיש</span></a></li><li class="interlanguage-link interwiki-yo mw-list-item"><a href="https://yo.wikipedia.org/wiki/%C3%8Cw%C3%A9_%C3%80%E1%B9%A3%E1%BA%B9_A%E1%B9%A3%C3%A0l%C3%A0y%C3%A9_%E1%BB%8C%CC%80f%E1%BA%B9%CC%81_GNU" title="Ìwé Àṣẹ Aṣàlàyé Ọ̀fẹ́ GNU – Yoruba" lang="yo" hreflang="yo" data-title="Ìwé Àṣẹ Aṣàlàyé Ọ̀fẹ́ GNU" data-language-autonym="Yorùbá" data-language-local-name="Yoruba" class="interlanguage-link-target"><span>Yorùbá</span></a></li><li class="interlanguage-link interwiki-zh-yue mw-list-item"><a href="https://zh-yue.wikipedia.org/wiki/GFDL" title="GFDL – Cantonese" lang="yue" hreflang="yue" data-title="GFDL" data-language-autonym="粵語" data-language-local-name="Cantonese" class="interlanguage-link-target"><span>粵語</span></a></li><li class="interlanguage-link interwiki-zh mw-list-item"><a href="https://zh.wikipedia.org/wiki/GNU%E8%87%AA%E7%94%B1%E6%96%87%E6%A1%A3%E8%AE%B8%E5%8F%AF%E8%AF%81" title="GNU自由文档许可证 – Chinese" lang="zh" hreflang="zh" data-title="GNU自由文档许可证" data-language-autonym="中文" data-language-local-name="Chinese" class="interlanguage-link-target"><span>中文</span></a></li> </ul> <div class="after-portlet after-portlet-lang"><span class="wb-langlinks-edit wb-langlinks-link"><a href="https://www.wikidata.org/wiki/Special:EntityPage/Q22169#sitelinks-wikipedia" title="Edit interlanguage links" class="wbc-editpage">Edit links</a></span></div> </div> </div> </div> </header> <div class="vector-page-toolbar"> <div class="vector-page-toolbar-container"> <div id="left-navigation"> <nav aria-label="Namespaces"> <div id="p-associated-pages" class="vector-menu vector-menu-tabs mw-portlet mw-portlet-associated-pages" > <div class="vector-menu-content"> <ul class="vector-menu-content-list"> <li id="ca-nstab-main" class="selected 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src="//upload.wikimedia.org/wikipedia/en/thumb/1/1b/Semi-protection-shackle.svg/20px-Semi-protection-shackle.svg.png" decoding="async" width="20" height="20" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/en/thumb/1/1b/Semi-protection-shackle.svg/30px-Semi-protection-shackle.svg.png 1.5x, //upload.wikimedia.org/wikipedia/en/thumb/1/1b/Semi-protection-shackle.svg/40px-Semi-protection-shackle.svg.png 2x" data-file-width="512" data-file-height="512" /></a></span></div></div> </div> <div id="siteSub" class="noprint">From Wikipedia, the free encyclopedia</div> </div> <div id="contentSub"><div id="mw-content-subtitle"><span class="mw-redirectedfrom">(Redirected from <a href="/w/index.php?title=GNU_FDL&redirect=no" class="mw-redirect" title="GNU FDL">GNU FDL</a>)</span></div></div> <div id="mw-content-text" class="mw-body-content"><div class="mw-content-ltr mw-parser-output" lang="en" dir="ltr"><div class="shortdescription nomobile noexcerpt noprint searchaux" style="display:none">Copyleft license primarily for free software documentation</div> <style data-mw-deduplicate="TemplateStyles:r1236090951">.mw-parser-output .hatnote{font-style:italic}.mw-parser-output div.hatnote{padding-left:1.6em;margin-bottom:0.5em}.mw-parser-output .hatnote i{font-style:normal}.mw-parser-output .hatnote+link+.hatnote{margin-top:-0.5em}@media print{body.ns-0 .mw-parser-output .hatnote{display:none!important}}</style><div role="note" class="hatnote navigation-not-searchable">"GFDL" redirects here. For other uses, see <a href="/wiki/GFDL_(disambiguation)" class="mw-disambig" title="GFDL (disambiguation)">GFDL (disambiguation)</a>.</div> <p class="mw-empty-elt"> </p> <style data-mw-deduplicate="TemplateStyles:r1257001546">.mw-parser-output .infobox-subbox{padding:0;border:none;margin:-3px;width:auto;min-width:100%;font-size:100%;clear:none;float:none;background-color:transparent}.mw-parser-output .infobox-3cols-child{margin:auto}.mw-parser-output .infobox .navbar{font-size:100%}@media screen{html.skin-theme-clientpref-night .mw-parser-output .infobox-full-data:not(.notheme)>div:not(.notheme)[style]{background:#1f1f23!important;color:#f8f9fa}}@media screen and (prefers-color-scheme:dark){html.skin-theme-clientpref-os .mw-parser-output .infobox-full-data:not(.notheme) div:not(.notheme){background:#1f1f23!important;color:#f8f9fa}}@media(min-width:640px){body.skin--responsive .mw-parser-output .infobox-table{display:table!important}body.skin--responsive .mw-parser-output .infobox-table>caption{display:table-caption!important}body.skin--responsive .mw-parser-output .infobox-table>tbody{display:table-row-group}body.skin--responsive .mw-parser-output .infobox-table tr{display:table-row!important}body.skin--responsive .mw-parser-output .infobox-table th,body.skin--responsive .mw-parser-output .infobox-table td{padding-left:inherit;padding-right:inherit}}</style><table class="infobox"><caption class="infobox-title">GNU Free Documentation License</caption><tbody><tr><td colspan="2" class="infobox-image"><span typeof="mw:File"><a href="/wiki/File:GFDL_Logo.svg" class="mw-file-description"><img src="//upload.wikimedia.org/wikipedia/commons/thumb/4/42/GFDL_Logo.svg/160px-GFDL_Logo.svg.png" decoding="async" width="160" height="55" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/4/42/GFDL_Logo.svg/240px-GFDL_Logo.svg.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/4/42/GFDL_Logo.svg/320px-GFDL_Logo.svg.png 2x" data-file-width="200" data-file-height="69" /></a></span><div class="infobox-caption">The GFDL logo</div></td></tr><tr><th scope="row" class="infobox-label" style="width:45%;">Author</th><td class="infobox-data" style="width:55%;"><a href="/wiki/Free_Software_Foundation" title="Free Software Foundation">Free Software Foundation</a></td></tr><tr><th scope="row" class="infobox-label" style="width:45%;">Latest version</th><td class="infobox-data" style="width:55%;">1.3</td></tr><tr><th scope="row" class="infobox-label" style="width:45%;"><a href="/wiki/Publishing" title="Publishing">Publisher</a></th><td class="infobox-data" style="width:55%;">Free Software Foundation, Inc.</td></tr><tr><th scope="row" class="infobox-label" style="width:45%;">Published</th><td class="infobox-data" style="width:55%;">November 3, 2008 (current version)</td></tr><tr><th scope="row" class="infobox-label" style="width:45%;"><a href="/wiki/Software_Package_Data_Exchange" title="Software Package Data Exchange">SPDX</a> identifier</th><td class="infobox-data" style="width:55%;"><style data-mw-deduplicate="TemplateStyles:r1126788409">.mw-parser-output .plainlist ol,.mw-parser-output .plainlist ul{line-height:inherit;list-style:none;margin:0;padding:0}.mw-parser-output .plainlist ol li,.mw-parser-output .plainlist ul li{margin-bottom:0}</style><div class="plainlist"><ul><li>GFDL-1.3-or-later</li><li>GFDL-1.3-only</li><li>GFDL-1.2-or-later</li><li>GFDL-1.2-only</li><li>GFDL-1.1-or-later</li><li>GFDL-1.1-only</li></ul></div> (<a rel="nofollow" class="external text" href="https://spdx.org/licenses/">see list for more</a>)</td></tr><tr><th scope="row" class="infobox-label" style="width:45%;"><a href="/wiki/Debian_Free_Software_Guidelines" class="mw-redirect" title="Debian Free Software Guidelines">Debian FSG compatible</a></th><td class="infobox-data" style="width:55%;">Yes, with no invariant sections (see below)</td></tr><tr><th scope="row" class="infobox-label" style="width:45%;"><a href="/wiki/GPL_compatible" class="mw-redirect" title="GPL compatible">GPL compatible</a></th><td class="infobox-data" style="width:55%;">No</td></tr><tr><th scope="row" class="infobox-label" style="width:45%;"><a href="/wiki/Copyleft" title="Copyleft">Copyleft</a></th><td class="infobox-data" style="width:55%;">Yes</td></tr><tr><th scope="row" class="infobox-label" style="width:45%;">Website</th><td class="infobox-data" style="width:55%;"><span class="url"><a rel="nofollow" class="external text" href="https://www.gnu.org/licenses/fdl.html">www<wbr />.gnu<wbr />.org<wbr />/licenses<wbr />/fdl<wbr />.html</a></span> <span class="penicon autoconfirmed-show"><span class="mw-valign-text-top" typeof="mw:File/Frameless"><a href="https://www.wikidata.org/wiki/Q22169?uselang=en#P856" title="Edit this on Wikidata"><img alt="Edit this on Wikidata" src="//upload.wikimedia.org/wikipedia/en/thumb/8/8a/OOjs_UI_icon_edit-ltr-progressive.svg/10px-OOjs_UI_icon_edit-ltr-progressive.svg.png" decoding="async" width="10" height="10" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/en/thumb/8/8a/OOjs_UI_icon_edit-ltr-progressive.svg/15px-OOjs_UI_icon_edit-ltr-progressive.svg.png 1.5x, //upload.wikimedia.org/wikipedia/en/thumb/8/8a/OOjs_UI_icon_edit-ltr-progressive.svg/20px-OOjs_UI_icon_edit-ltr-progressive.svg.png 2x" data-file-width="20" data-file-height="20" /></a></span></span></td></tr></tbody></table> <p>The <b>GNU Free Documentation License</b> (<b>GNU FDL</b> or <b>GFDL</b>) is a <a href="/wiki/Copyleft" title="Copyleft">copyleft</a> <a href="/wiki/License" title="License">license</a> for free documentation, designed by the <a href="/wiki/Free_Software_Foundation" title="Free Software Foundation">Free Software Foundation</a> (FSF) for the <a href="/wiki/GNU_Project" title="GNU Project">GNU Project</a>. It is similar to the <a href="/wiki/GNU_General_Public_License" title="GNU General Public License">GNU General Public License</a>, giving readers the rights to copy, redistribute, and modify (except for "invariant sections") a work and requires all copies and derivatives to be available under the same license. Copies may also be sold commercially, but, if produced in larger quantities (greater than 100), the original document or source code must be made available to the work's recipient. </p><p>The GFDL was designed for <a href="/wiki/User_guide" title="User guide">manuals</a>, textbooks, other reference and instructional materials, and documentation which often accompanies GNU software. However, it can be used for any text-based work, regardless of subject matter. For example, the free online encyclopedia <a href="/wiki/Wikipedia" title="Wikipedia">Wikipedia</a> uses the GFDL<sup id="cite_ref-1" class="reference"><a href="#cite_note-1"><span class="cite-bracket">[</span>1<span class="cite-bracket">]</span></a></sup> (coupled with the <a href="/wiki/Creative_Commons_Attribution_Share-Alike_License" class="mw-redirect" title="Creative Commons Attribution Share-Alike License">Creative Commons Attribution Share-Alike License</a>) for much of its text, excluding text that was imported from other sources after the 2009 licensing update that is only available under the Creative Commons license.<sup id="cite_ref-2" class="reference"><a href="#cite_note-2"><span class="cite-bracket">[</span>2<span class="cite-bracket">]</span></a></sup><sup class="noprint Inline-Template noprint Template-Fact" style="white-space:nowrap;">[<i><a href="/wiki/Wikipedia:Verifiability#Wikipedia_and_sources_that_mirror_or_use_it" title="Wikipedia:Verifiability"><span title="This claim cites another Wikipedia article. Articles need references to reliable third-party sources. (August 2024)">circular reference</span></a></i>]</sup><sup id="cite_ref-3" class="reference"><a href="#cite_note-3"><span class="cite-bracket">[</span>3<span class="cite-bracket">]</span></a></sup><sup id="cite_ref-4" class="reference"><a href="#cite_note-4"><span class="cite-bracket">[</span>4<span class="cite-bracket">]</span></a></sup> </p> <meta property="mw:PageProp/toc" /> <div class="mw-heading mw-heading2"><h2 id="History">History</h2></div> <p>The GFDL was released in draft form for feedback in September 1999.<sup id="cite_ref-5" class="reference"><a href="#cite_note-5"><span class="cite-bracket">[</span>5<span class="cite-bracket">]</span></a></sup> After revisions, version 1.1 was issued in March 2000, version 1.2 in November 2002, and version 1.3 in November 2008. The current state of the license is version 1.3.<sup id="cite_ref-onepoint3faq_6-0" class="reference"><a href="#cite_note-onepoint3faq-6"><span class="cite-bracket">[</span>6<span class="cite-bracket">]</span></a></sup> </p><p>On December 1, 2007, Wikipedia founder <a href="/wiki/Jimmy_Wales" title="Jimmy Wales">Jimmy Wales</a> announced that a long period of discussion and negotiation between and amongst the Free Software Foundation, Creative Commons, the <a href="/wiki/Wikimedia_Foundation" title="Wikimedia Foundation">Wikimedia Foundation</a> and others had produced a proposal supported by both the FSF and Creative Commons to modify the Free Documentation License in such a fashion as to allow the possibility for the Wikimedia Foundation to migrate the projects to the similar <a href="/wiki/Creative_Commons_Attribution_2.5" class="mw-redirect" title="Creative Commons Attribution 2.5">Creative Commons Attribution Share-Alike</a> (CC BY-SA) license.<sup id="cite_ref-7" class="reference"><a href="#cite_note-7"><span class="cite-bracket">[</span>7<span class="cite-bracket">]</span></a></sup><sup id="cite_ref-8" class="reference"><a href="#cite_note-8"><span class="cite-bracket">[</span>8<span class="cite-bracket">]</span></a></sup> These changes were implemented on version 1.3 of the license, which includes a new provision allowing certain materials released under the (GFDL) license to be used under a Creative Commons Attribution Share-Alike license also.<sup id="cite_ref-onepoint3faq_6-1" class="reference"><a href="#cite_note-onepoint3faq-6"><span class="cite-bracket">[</span>6<span class="cite-bracket">]</span></a></sup> </p> <div class="mw-heading mw-heading2"><h2 id="Conditions">Conditions</h2></div> <p>Material licensed under the current version of the license can be used for any purpose, as long as the use meets certain conditions. </p> <ul><li>All previous authors of the work must be <a href="/wiki/Attribution_(copyright)" title="Attribution (copyright)">attributed</a>.</li> <li>All changes to the work must be logged.</li> <li>All <a href="/wiki/Derivative_work" title="Derivative work">derivative works</a> must be licensed under the same license.</li> <li>The full text of the license, unmodified invariant sections as defined by the author if any, and any other added warranty disclaimers (such as a general disclaimer alerting readers that the document may not be accurate for example) and copyright notices from previous versions must be maintained.</li> <li>Technical measures such as <a href="/wiki/Digital_rights_management" title="Digital rights management">DRM</a> may not be used to control or obstruct distribution or editing of the document.</li></ul> <div class="mw-heading mw-heading3"><h3 id="Secondary_sections">Secondary sections</h3></div> <p>The license explicitly separates any kind of "Document" from "Secondary Sections", which may not be integrated with the Document, but exist as front-matter materials or appendices. Secondary sections can contain information regarding the author's or publisher's relationship to the subject matter, but not any subject matter itself. While the Document itself is wholly editable and is essentially covered by a license equivalent to (but mutually incompatible with) the <a href="/wiki/GNU_General_Public_License" title="GNU General Public License">GNU General Public License</a>, some of the secondary sections have various restrictions designed primarily to deal with proper attribution to previous authors. </p><p>Specifically, the authors of prior versions have to be acknowledged and certain "invariant sections" specified by the original author and dealing with his or her relationship to the subject matter may not be changed. If the material is modified, its title has to be changed (unless the prior authors permit to retain the title). </p><p>The license also has provisions for the handling of front-cover and back-cover texts of books, as well as for "History", "Acknowledgements", "Dedications" and "Endorsements" sections. These features were added in part to make the license more financially attractive to commercial publishers of software documentation, some of whom were consulted during the drafting of the GFDL.<sup id="cite_ref-why_9-0" class="reference"><a href="#cite_note-why-9"><span class="cite-bracket">[</span>9<span class="cite-bracket">]</span></a></sup><sup id="cite_ref-gnufaq_10-0" class="reference"><a href="#cite_note-gnufaq-10"><span class="cite-bracket">[</span>10<span class="cite-bracket">]</span></a></sup> "Endorsements" sections are intended to be used in official standard documents, where the distribution of modified versions should only be permitted if they are not labeled as that standard anymore.<sup id="cite_ref-gnufaq_10-1" class="reference"><a href="#cite_note-gnufaq-10"><span class="cite-bracket">[</span>10<span class="cite-bracket">]</span></a></sup> </p> <div class="mw-heading mw-heading3"><h3 id="Commercial_redistribution">Commercial redistribution</h3></div><p> The GFDL requires the ability to "copy and distribute the Document in any medium, either commercially or noncommercially" and therefore is incompatible with material that excludes commercial re-use. As mentioned above, the GFDL was designed with commercial publishers in mind, as Stallman explained:<style data-mw-deduplicate="TemplateStyles:r1244412712">.mw-parser-output .templatequote{overflow:hidden;margin:1em 0;padding:0 32px}.mw-parser-output .templatequotecite{line-height:1.5em;text-align:left;margin-top:0}@media(min-width:500px){.mw-parser-output .templatequotecite{padding-left:1.6em}}</style></p><blockquote class="templatequote"><p>The GFDL is meant as a way to enlist commercial publishers in funding free documentation without surrendering any vital liberty. The 'cover text' feature, and certain other aspects of the license that deal with covers, title page, history, and endorsements, are included to make the license appealing to commercial publishers for books whose authors are paid.<sup id="cite_ref-why_9-1" class="reference"><a href="#cite_note-why-9"><span class="cite-bracket">[</span>9<span class="cite-bracket">]</span></a></sup></p></blockquote><p> Material that restricts commercial re-use is incompatible with the license and cannot be incorporated into the work. However, incorporating such restricted material may be <a href="/wiki/Fair_use" title="Fair use">fair use</a> under United States copyright law (or <a href="/wiki/Fair_dealing" title="Fair dealing">fair dealing</a> in some other countries) and does not need to be licensed to fall within the GFDL if such fair use is covered by all potential subsequent uses. One example of such liberal and commercial fair use is <a href="/wiki/Parody" title="Parody">parody</a>. </p><div class="mw-heading mw-heading3"><h3 id="Compatibility_with_Creative_Commons_licensing_terms">Compatibility with Creative Commons licensing terms</h3></div> <p>Although the two licenses work on similar copyleft principles, the GFDL is not compatible with the <a href="/wiki/Creative_Commons_licenses" class="mw-redirect" title="Creative Commons licenses">Creative Commons Attribution-ShareAlike license</a>. </p><p>However, at the request of the <a href="/wiki/Wikimedia_Foundation" title="Wikimedia Foundation">Wikimedia Foundation</a>,<sup id="cite_ref-onepoint3faq_6-2" class="reference"><a href="#cite_note-onepoint3faq-6"><span class="cite-bracket">[</span>6<span class="cite-bracket">]</span></a></sup> version 1.3 added a time-limited section allowing specific types of websites using the GFDL to additionally offer their work under the CC BY-SA license. These exemptions allow a GFDL-based collaborative project with multiple authors to transition to the CC BY-SA 3.0 license, without first obtaining the permission of every author, if the work satisfies several conditions:<sup id="cite_ref-onepoint3faq_6-3" class="reference"><a href="#cite_note-onepoint3faq-6"><span class="cite-bracket">[</span>6<span class="cite-bracket">]</span></a></sup> </p> <ul><li>The work must have been produced on a "Massive Multiauthor Collaboration Site" (MMC), such as a public <a href="/wiki/Wiki" title="Wiki">wiki</a> for example.</li> <li>If external content originally published on a MMC is present on the site, the work must have been licensed under Version 1.3 of the GNU FDL, or an earlier version but with the "or any later version" declaration, with no cover texts or invariant sections. If it was not originally published on an MMC, it can only be <a href="/wiki/Software_relicensing" title="Software relicensing">relicensed</a> if it were added to an MMC before November 1, 2008.</li></ul> <p>To prevent the clause from being used as a general compatibility measure, the license itself only allowed the change to occur before August 1, 2009. At the release of version 1.3, the FSF stated that all content added before November 1, 2008, to Wikipedia as an example satisfied the conditions. The Wikimedia Foundation itself after a public referendum, invoked this process to <a href="/wiki/Dual-license" class="mw-redirect" title="Dual-license">dual-license</a> content released under the GFDL under the <a href="/wiki/CC_BY-SA" class="mw-redirect" title="CC BY-SA">CC BY-SA</a> license in June 2009, and adopted a foundation-wide attribution policy for the use of content from Wikimedia Foundation projects.<sup id="cite_ref-11" class="reference"><a href="#cite_note-11"><span class="cite-bracket">[</span>11<span class="cite-bracket">]</span></a></sup><sup id="cite_ref-12" class="reference"><a href="#cite_note-12"><span class="cite-bracket">[</span>12<span class="cite-bracket">]</span></a></sup><sup id="cite_ref-13" class="reference"><a href="#cite_note-13"><span class="cite-bracket">[</span>13<span class="cite-bracket">]</span></a></sup> </p> <div class="mw-heading mw-heading2"><h2 id="Enforcement">Enforcement</h2></div> <p>There have currently been no cases involving the GFDL in a court of law, although its sister license for software, the <a href="/wiki/GNU_General_Public_License" title="GNU General Public License">GNU General Public License</a>, has been successfully enforced in such a setting.<sup id="cite_ref-14" class="reference"><a href="#cite_note-14"><span class="cite-bracket">[</span>14<span class="cite-bracket">]</span></a></sup> Although the content of <a href="/wiki/Wikipedia" title="Wikipedia">Wikipedia</a> has been plagiarized and used in violation of the GFDL by other sites, such as <a href="/wiki/Baidu_Baike" title="Baidu Baike">Baidu Baike</a>, no contributors have ever tried to bring an organization to court due to violation of the GFDL. In the case of Baidu, Wikipedia representatives asked the site and its contributors to respect the terms of the licenses and to make proper attributions.<sup id="cite_ref-15" class="reference"><a href="#cite_note-15"><span class="cite-bracket">[</span>15<span class="cite-bracket">]</span></a></sup> </p> <div class="mw-heading mw-heading2"><h2 id="Criticism">Criticism</h2></div> <p>Some critics consider the GFDL a non-free license. Some reasons for this are that the GFDL allows "invariant" text which cannot be modified or removed, and that its prohibition against <a href="/wiki/Digital_rights_management" title="Digital rights management">digital rights management</a> (DRM) systems applies to valid usages, like for "private copies made and not distributed".<sup id="cite_ref-nerode2007_16-0" class="reference"><a href="#cite_note-nerode2007-16"><span class="cite-bracket">[</span>16<span class="cite-bracket">]</span></a></sup> </p><p>Notably, the <a href="/wiki/Debian" title="Debian">Debian</a> project,<sup id="cite_ref-17" class="reference"><a href="#cite_note-17"><span class="cite-bracket">[</span>17<span class="cite-bracket">]</span></a></sup> <a href="/wiki/Thomas_Bushnell" title="Thomas Bushnell">Thomas Bushnell</a>,<sup id="cite_ref-lwn_18-0" class="reference"><a href="#cite_note-lwn-18"><span class="cite-bracket">[</span>18<span class="cite-bracket">]</span></a></sup> Nathanael Nerode,<sup id="cite_ref-nerode2003_19-0" class="reference"><a href="#cite_note-nerode2003-19"><span class="cite-bracket">[</span>19<span class="cite-bracket">]</span></a></sup> and <a href="/wiki/Bruce_Perens" title="Bruce Perens">Bruce Perens</a><sup id="cite_ref-Bruceperens2003_20-0" class="reference"><a href="#cite_note-Bruceperens2003-20"><span class="cite-bracket">[</span>20<span class="cite-bracket">]</span></a></sup> have raised objections. Bruce Perens saw the GFDL even outside the "Free Software ethos":<sup id="cite_ref-Bruceperens2003_20-1" class="reference"><a href="#cite_note-Bruceperens2003-20"><span class="cite-bracket">[</span>20<span class="cite-bracket">]</span></a></sup> </p> <link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1244412712"><blockquote class="templatequote"><p>"FSF, a Free Software organization, isn't being entirely true to the <a href="/wiki/Free_Software" class="mw-redirect" title="Free Software">Free Software</a> ethos while it is promoting a license that allows invariant sections to be applied to anything but the license text and attribution. [...] the GFDL isn't consistent with the ethos that FSF has promoted for 19 years."</p></blockquote> <p>In 2006, Debian developers voted to consider works licensed under the GFDL to comply with their <a href="/wiki/Debian_Free_Software_Guidelines" class="mw-redirect" title="Debian Free Software Guidelines">Debian Free Software Guidelines</a> provided that the invariant section clauses are not used.<sup id="cite_ref-debianresolution_21-0" class="reference"><a href="#cite_note-debianresolution-21"><span class="cite-bracket">[</span>21<span class="cite-bracket">]</span></a></sup> However, their resolution stated that even without invariant sections, GFDL-licensed software documentation is considered to be "still not free of trouble" by the project, namely because of its incompatibility with the major free software licenses.<sup id="cite_ref-debianresolution_21-1" class="reference"><a href="#cite_note-debianresolution-21"><span class="cite-bracket">[</span>21<span class="cite-bracket">]</span></a></sup> </p><p>Those opposed to the GFDL have recommended the use of alternative licenses such as the <a href="/wiki/BSD_License" class="mw-redirect" title="BSD License">BSD License</a> or the GNU GPL.<sup id="cite_ref-debianresolution_21-2" class="reference"><a href="#cite_note-debianresolution-21"><span class="cite-bracket">[</span>21<span class="cite-bracket">]</span></a></sup> </p><p>The <a href="/wiki/FLOSS_Manuals" title="FLOSS Manuals">FLOSS Manuals</a> foundation, an organization devoted to creating manuals for free software, decided to eschew the GFDL in favor of the GPL for its texts in 2007, citing the incompatibility between the two, difficulties in implementing the GFDL, and the fact that the GFDL "does not allow for easy duplication and modification", especially for digital documentation.<sup id="cite_ref-22" class="reference"><a href="#cite_note-22"><span class="cite-bracket">[</span>22<span class="cite-bracket">]</span></a></sup> </p> <div class="mw-heading mw-heading3"><h3 id="DRM_clause">DRM clause</h3></div> <p>The GNU FDL contains the statement: </p> <link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1244412712"><blockquote class="templatequote"><p>You may not use technical measures to obstruct or control the reading or further copying of the copies you make or distribute.</p></blockquote> <p>A criticism of this language is that it is too broad, because it applies to private copies made but not distributed. This means that a licensee is not allowed to save document copies "made" in a proprietary file format or using encryption. </p><p>In 2003, <a href="/wiki/Richard_Stallman" title="Richard Stallman">Richard Stallman</a> said about the above sentence on the debian-legal mailing list:<sup id="cite_ref-23" class="reference"><a href="#cite_note-23"><span class="cite-bracket">[</span>23<span class="cite-bracket">]</span></a></sup> </p> <link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1244412712"><blockquote class="templatequote"><p>This means that you cannot publish them under DRM systems to restrict the possessors of the copies. It isn't supposed to refer to use of encryption or file access control on your own copy. I will talk with our lawyer and see if that sentence needs to be clarified.</p></blockquote> <div class="mw-heading mw-heading3"><h3 id="Invariant_sections">Invariant sections</h3></div> <p>A GNU FDL work can quickly be encumbered because a new, different title must be given and a list of previous titles must be kept. This could lead to the situation where there are a whole series of title pages, and dedications, in each and every copy of the book if it has a long lineage. These pages cannot be removed until the work enters the <a href="/wiki/Public_domain" title="Public domain">public domain</a> after <a href="/wiki/Copyright" title="Copyright">copyright</a> expires. </p><p><a href="/wiki/Richard_Stallman" title="Richard Stallman">Richard Stallman</a> said about invariant sections on the <i>debian-legal</i> mailing list:<sup id="cite_ref-24" class="reference"><a href="#cite_note-24"><span class="cite-bracket">[</span>24<span class="cite-bracket">]</span></a></sup> </p> <link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1244412712"><blockquote class="templatequote"><p>The goal of invariant sections, ever since the 80s when we first made the GNU Manifesto an invariant section in the Emacs Manual, was to make sure they could not be removed. Specifically, to make sure that distributors of Emacs that also distribute non-free software could not remove the statements of our philosophy, which they might think of doing because those statements criticize their actions.</p></blockquote> <div class="mw-heading mw-heading3"><h3 id="GPL_incompatible_in_both_directions">GPL incompatible in both directions</h3></div> <p>The GNU FDL is <a href="/wiki/License_compatibility" title="License compatibility">incompatible</a> in both directions with the GPL—material under the GNU FDL cannot be put into GPL code and GPL code cannot be put into a GNU FDL manual.<sup id="cite_ref-25" class="reference"><a href="#cite_note-25"><span class="cite-bracket">[</span>25<span class="cite-bracket">]</span></a></sup> At the June 22–23, 2006 international GPLv3 conference in Barcelona, <a href="/wiki/Eben_Moglen" title="Eben Moglen">Eben Moglen</a> hinted that a future version of the GPL could be made suitable for documentation:<sup id="cite_ref-26" class="reference"><a href="#cite_note-26"><span class="cite-bracket">[</span>26<span class="cite-bracket">]</span></a></sup> </p> <link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1244412712"><blockquote class="templatequote"><p>By expressing LGPL as just an additional permission on top of GPL we simplify our licensing landscape drastically. It's like for physics getting rid of a force, right? We just unified electro-weak, ok? The grand unified field theory still escapes us until the document licences too are just additional permissions on top of GPL. I don't know how we'll ever get there, that's gravity, it's really hard.</p></blockquote> <div class="mw-heading mw-heading3"><h3 id="Burdens_when_printing">Burdens when printing</h3></div> <p>The GNU FDL requires that licensees, when printing a document covered by the license, must also include "this License, the copyright notices, and the license notice saying this License applies to the Document". This means that if a licensee prints out a copy of an article whose text is covered under the GNU FDL, they must also include a copyright notice and a physical printout of the GNU FDL, which is a significantly large document in itself. Worse, the same is required for the standalone use of just one (for example, Wikipedia) image.<sup id="cite_ref-27" class="reference"><a href="#cite_note-27"><span class="cite-bracket">[</span>27<span class="cite-bracket">]</span></a></sup> Several Wikimedia projects have over the years abandoned the use of GFDL, among them the English Wikipedia, which has relicensed the files.<sup id="cite_ref-28" class="reference"><a href="#cite_note-28"><span class="cite-bracket">[</span>28<span class="cite-bracket">]</span></a></sup> <a href="/wiki/Wikivoyage" title="Wikivoyage">Wikivoyage</a>, a web site dedicated to <a href="/wiki/Free_content" title="Free content">free content</a> travel guides, chose not to use the GFDL from the beginning because it considers it unsuitable for short printed texts.<sup id="cite_ref-29" class="reference"><a href="#cite_note-29"><span class="cite-bracket">[</span>29<span class="cite-bracket">]</span></a></sup> </p> <div class="mw-heading mw-heading2"><h2 id="Other_licenses_for_free_works">Other licenses for free works</h2></div> <ul><li><a href="/wiki/Creative_Commons_license" title="Creative Commons license">Creative Commons license</a></li> <li><a href="/wiki/Design_Science_License" title="Design Science License">Design Science License</a></li> <li><a href="/wiki/Free_Art_License" title="Free Art License">Free Art License</a></li> <li><a href="/wiki/FreeBSD_Documentation_License" title="FreeBSD Documentation License">FreeBSD Documentation License</a></li> <li><a href="/wiki/Open_Content_License" title="Open Content License">Open Content License</a></li> <li><a href="/wiki/Open_Game_License" title="Open Game License">Open Game License</a></li> <li><a href="/wiki/Open_Publication_License" title="Open Publication License">Open Publication License</a></li> <li><a href="/wiki/WTFPL" title="WTFPL">WTFPL</a></li></ul> <div class="mw-heading mw-heading2"><h2 id="List_of_projects_that_use_the_GFDL">List of projects that use the GFDL</h2></div> <link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1236090951"><div role="note" class="hatnote navigation-not-searchable">This is a <a href="/wiki/Wikipedia:WikiProject_Lists#Dynamic_lists" title="Wikipedia:WikiProject Lists">dynamic list</a> and may never be able to satisfy particular standards for completeness. You can help by <a href="/wiki/Special:EditPage/GNU_Free_Documentation_License" title="Special:EditPage/GNU Free Documentation License">adding missing items</a> with <a href="/wiki/Wikipedia:Reliable_sources" title="Wikipedia:Reliable sources">reliable sources</a>.</div> <ul><li>Most projects of the <a href="/wiki/Wikimedia_Foundation" title="Wikimedia Foundation">Wikimedia Foundation</a>, including <a href="/wiki/Wikipedia" title="Wikipedia">Wikipedia</a> (excluding <a href="/wiki/Wikivoyage" title="Wikivoyage">Wikivoyage</a> and <a href="/wiki/Wikinews" title="Wikinews">Wikinews</a>) – On June 15, 2009, the Section 11 clauses were used to dual-license the content of these wikis under the Creative Commons Attribution Share-Alike license and GFDL.</li> <li>An Anarchist FAQ</li> <li><a href="/wiki/Citizendium" title="Citizendium">Citizendium</a> – the project uses GFDL for articles originally from Wikipedia.</li> <li><a href="/wiki/Free_On-line_Dictionary_of_Computing" title="Free On-line Dictionary of Computing">Free On-line Dictionary of Computing</a></li> <li><a href="/wiki/Last.fm" title="Last.fm">Last.fm</a> – artist descriptions are under GFDL</li> <li><a href="/wiki/Marxists_Internet_Archive" title="Marxists Internet Archive">Marxists Internet Archive</a></li> <li><a href="/wiki/PlanetMath" title="PlanetMath">PlanetMath</a> (now uses CC BY-SA license)</li> <li><a href="/wiki/Rosetta_Code" title="Rosetta Code">Rosetta Code</a></li> <li><a href="/wiki/SourceWatch" class="mw-redirect" title="SourceWatch">SourceWatch</a></li> <li>The specification documents that define <a href="/wiki/TRAK" title="TRAK">TRAK</a>, an <a href="/wiki/Enterprise_architecture_framework" title="Enterprise architecture framework">enterprise architecture framework</a>, are released under the GFDL.</li> <li><i>Abstract Algebra</i> by Thomas W. Judson.<sup id="cite_ref-30" class="reference"><a href="#cite_note-30"><span class="cite-bracket">[</span>30<span class="cite-bracket">]</span></a></sup></li> <li>the <a href="/wiki/Baseball-Reference" class="mw-redirect" title="Baseball-Reference">Baseball-Reference</a>'s BR Bullpen, a free user-contributed baseball wiki</li></ul> <div class="mw-heading mw-heading2"><h2 id="See_also">See also</h2></div> <style data-mw-deduplicate="TemplateStyles:r1239009302">.mw-parser-output .portalbox{padding:0;margin:0.5em 0;display:table;box-sizing:border-box;max-width:175px;list-style:none}.mw-parser-output .portalborder{border:1px solid var(--border-color-base,#a2a9b1);padding:0.1em;background:var(--background-color-neutral-subtle,#f8f9fa)}.mw-parser-output .portalbox-entry{display:table-row;font-size:85%;line-height:110%;height:1.9em;font-style:italic;font-weight:bold}.mw-parser-output .portalbox-image{display:table-cell;padding:0.2em;vertical-align:middle;text-align:center}.mw-parser-output .portalbox-link{display:table-cell;padding:0.2em 0.2em 0.2em 0.3em;vertical-align:middle}@media(min-width:720px){.mw-parser-output .portalleft{clear:left;float:left;margin:0.5em 1em 0.5em 0}.mw-parser-output .portalright{clear:right;float:right;margin:0.5em 0 0.5em 1em}}</style><ul role="navigation" aria-label="Portals" class="noprint portalbox portalborder portalright"> <li class="portalbox-entry"><span class="portalbox-image"><span class="noviewer" typeof="mw:File"><span><img alt="" src="//upload.wikimedia.org/wikipedia/commons/thumb/3/31/Free_and_open-source_software_logo_%282009%29.svg/28px-Free_and_open-source_software_logo_%282009%29.svg.png" decoding="async" width="28" height="28" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/3/31/Free_and_open-source_software_logo_%282009%29.svg/42px-Free_and_open-source_software_logo_%282009%29.svg.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/3/31/Free_and_open-source_software_logo_%282009%29.svg/56px-Free_and_open-source_software_logo_%282009%29.svg.png 2x" data-file-width="512" data-file-height="512" /></span></span></span><span class="portalbox-link"><a href="/wiki/Portal:Free_and_open-source_software" title="Portal:Free and open-source software">Free and open-source software portal</a></span></li></ul> <style data-mw-deduplicate="TemplateStyles:r1184024115">.mw-parser-output .div-col{margin-top:0.3em;column-width:30em}.mw-parser-output .div-col-small{font-size:90%}.mw-parser-output .div-col-rules{column-rule:1px solid #aaa}.mw-parser-output .div-col dl,.mw-parser-output .div-col ol,.mw-parser-output .div-col ul{margin-top:0}.mw-parser-output .div-col li,.mw-parser-output .div-col dd{page-break-inside:avoid;break-inside:avoid-column}</style><div class="div-col div-col-small" style="column-width: 20em;"> <ul><li><a href="/wiki/BSD_license" class="mw-redirect" title="BSD license">BSD license</a></li> <li><a href="/wiki/Copyleft" title="Copyleft">Copyleft</a></li> <li><a href="/wiki/Copyright" title="Copyright">Copyright</a></li> <li><a href="/wiki/Free_software_license" class="mw-redirect" title="Free software license">Free software license</a></li> <li><a href="/wiki/GNU" title="GNU">GNU</a></li> <li><a href="/wiki/Non-commercial_educational" class="mw-redirect" title="Non-commercial educational">Non-commercial educational</a></li> <li><a href="/wiki/Open_content" class="mw-redirect" title="Open content">Open content</a></li> <li><a href="/wiki/Share-alike" title="Share-alike">Share-alike</a></li> <li><a href="/wiki/Software_licensing" class="mw-redirect" title="Software licensing">Software licensing</a></li></ul> </div> <div class="mw-heading mw-heading2"><h2 id="References">References</h2></div> <style data-mw-deduplicate="TemplateStyles:r1239543626">.mw-parser-output .reflist{margin-bottom:0.5em;list-style-type:decimal}@media screen{.mw-parser-output .reflist{font-size:90%}}.mw-parser-output .reflist .references{font-size:100%;margin-bottom:0;list-style-type:inherit}.mw-parser-output .reflist-columns-2{column-width:30em}.mw-parser-output .reflist-columns-3{column-width:25em}.mw-parser-output .reflist-columns{margin-top:0.3em}.mw-parser-output .reflist-columns ol{margin-top:0}.mw-parser-output .reflist-columns li{page-break-inside:avoid;break-inside:avoid-column}.mw-parser-output .reflist-upper-alpha{list-style-type:upper-alpha}.mw-parser-output .reflist-upper-roman{list-style-type:upper-roman}.mw-parser-output .reflist-lower-alpha{list-style-type:lower-alpha}.mw-parser-output .reflist-lower-greek{list-style-type:lower-greek}.mw-parser-output .reflist-lower-roman{list-style-type:lower-roman}</style><div class="reflist reflist-columns references-column-width" style="column-width: 35em;"> <ol class="references"> <li id="cite_note-1"><span class="mw-cite-backlink"><b><a href="#cite_ref-1">^</a></b></span> <span class="reference-text"><style data-mw-deduplicate="TemplateStyles:r1238218222">.mw-parser-output cite.citation{font-style:inherit;word-wrap:break-word}.mw-parser-output .citation q{quotes:"\"""\"""'""'"}.mw-parser-output .citation:target{background-color:rgba(0,127,255,0.133)}.mw-parser-output .id-lock-free.id-lock-free a{background:url("//upload.wikimedia.org/wikipedia/commons/6/65/Lock-green.svg")right 0.1em center/9px no-repeat}.mw-parser-output .id-lock-limited.id-lock-limited a,.mw-parser-output .id-lock-registration.id-lock-registration a{background:url("//upload.wikimedia.org/wikipedia/commons/d/d6/Lock-gray-alt-2.svg")right 0.1em center/9px no-repeat}.mw-parser-output .id-lock-subscription.id-lock-subscription a{background:url("//upload.wikimedia.org/wikipedia/commons/a/aa/Lock-red-alt-2.svg")right 0.1em center/9px no-repeat}.mw-parser-output .cs1-ws-icon a{background:url("//upload.wikimedia.org/wikipedia/commons/4/4c/Wikisource-logo.svg")right 0.1em center/12px no-repeat}body:not(.skin-timeless):not(.skin-minerva) .mw-parser-output .id-lock-free a,body:not(.skin-timeless):not(.skin-minerva) .mw-parser-output .id-lock-limited a,body:not(.skin-timeless):not(.skin-minerva) .mw-parser-output .id-lock-registration a,body:not(.skin-timeless):not(.skin-minerva) .mw-parser-output .id-lock-subscription a,body:not(.skin-timeless):not(.skin-minerva) .mw-parser-output .cs1-ws-icon a{background-size:contain;padding:0 1em 0 0}.mw-parser-output .cs1-code{color:inherit;background:inherit;border:none;padding:inherit}.mw-parser-output .cs1-hidden-error{display:none;color:var(--color-error,#d33)}.mw-parser-output .cs1-visible-error{color:var(--color-error,#d33)}.mw-parser-output .cs1-maint{display:none;color:#085;margin-left:0.3em}.mw-parser-output .cs1-kern-left{padding-left:0.2em}.mw-parser-output .cs1-kern-right{padding-right:0.2em}.mw-parser-output .citation .mw-selflink{font-weight:inherit}@media screen{.mw-parser-output .cs1-format{font-size:95%}html.skin-theme-clientpref-night .mw-parser-output .cs1-maint{color:#18911f}}@media screen and (prefers-color-scheme:dark){html.skin-theme-clientpref-os .mw-parser-output .cs1-maint{color:#18911f}}</style><cite class="citation cs2"><a class="external text" href="https://en.wikipedia.org/w/index.php?title=Wikipedia:About&oldid=852074540#Trademarks_and_copyrights">"Wikipedia:About"</a>, <i>Wikipedia</i>, July 26, 2018<span class="reference-accessdate">, retrieved <span class="nowrap">September 7,</span> 2018</span></cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.genre=article&rft.jtitle=Wikipedia&rft.atitle=Wikipedia%3AAbout&rft.date=2018-07-26&rft_id=https%3A%2F%2Fen.wikipedia.org%2Fw%2Findex.php%3Ftitle%3DWikipedia%3AAbout%26oldid%3D852074540%23Trademarks_and_copyrights&rfr_id=info%3Asid%2Fen.wikipedia.org%3AGNU+Free+Documentation+License" class="Z3988"></span></span> </li> <li id="cite_note-2"><span class="mw-cite-backlink"><b><a href="#cite_ref-2">^</a></b></span> <span class="reference-text"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222"><cite class="citation web cs1"><a class="external text" href="https://en.wikipedia.org/wiki/Wikipedia:Licensing_update">"Wikipedia:Licensing update"</a>. June 14, 2009. <q>With the transition, the Wikipedia community will now be allowed to import CC-BY-SA text from external sources into articles. If you do this, the origin of the material and its license should be explicitly noted in the edit summary. If the source text is dual- or multi-licensed, it is only necessary that at least one of the licenses is compatible with CC-BY-SA. It is not necessary that external content be dual licensed under the GFDL.</q></cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&rft.genre=unknown&rft.btitle=Wikipedia%3ALicensing+update&rft.date=2009-06-14&rft_id=https%3A%2F%2Fen.wikipedia.org%2Fwiki%2FWikipedia%3ALicensing_update&rfr_id=info%3Asid%2Fen.wikipedia.org%3AGNU+Free+Documentation+License" class="Z3988"></span></span> </li> <li id="cite_note-3"><span class="mw-cite-backlink"><b><a href="#cite_ref-3">^</a></b></span> <span class="reference-text"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222"><cite class="citation web cs1"><a rel="nofollow" class="external text" href="https://creativecommons.org/2023/06/29/wikipedia-moves-to-cc-4-0-licenses/">"WIKIPEDIA MOVES TO CC 4.0 LICENSES"</a>. <i>Creative Commons</i>. June 29, 2023<span class="reference-accessdate">. Retrieved <span class="nowrap">June 4,</span> 2024</span>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.genre=unknown&rft.jtitle=Creative+Commons&rft.atitle=WIKIPEDIA+MOVES+TO+CC+4.0+LICENSES&rft.date=2023-06-29&rft_id=https%3A%2F%2Fcreativecommons.org%2F2023%2F06%2F29%2Fwikipedia-moves-to-cc-4-0-licenses%2F&rfr_id=info%3Asid%2Fen.wikipedia.org%3AGNU+Free+Documentation+License" class="Z3988"></span></span> </li> <li id="cite_note-4"><span class="mw-cite-backlink"><b><a href="#cite_ref-4">^</a></b></span> <span class="reference-text"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222"><cite class="citation web cs1"><a rel="nofollow" class="external text" href="https://www.fsf.org/news/fdl-1.3-pr.html">"FSF Releases New Version of GNU Free Documentation License — Free Software Foundation — Working together for free software"</a>. <i>www.fsf.org</i><span class="reference-accessdate">. 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Retrieved <span class="nowrap">August 17,</span> 2017</span>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&rft.genre=unknown&rft.btitle=New+Documentation+License%E2%80%94Comments+Requested&rft.pub=gnu.misc.discuss&rft.date=1999-09-12&rft_id=news%3Agnusenet199909120759.DAA04152%40psilocin.gnu.org%23id-name%3DUsenet%3A&rft.au=Richard+Stallman&rft_id=http%3A%2F%2Ftech-insider.org%2Ffree-software%2Fresearch%2F1999%2F0912.html&rfr_id=info%3Asid%2Fen.wikipedia.org%3AGNU+Free+Documentation+License" class="Z3988"></span></span> </li> <li id="cite_note-onepoint3faq-6"><span class="mw-cite-backlink">^ <a href="#cite_ref-onepoint3faq_6-0"><sup><i><b>a</b></i></sup></a> <a href="#cite_ref-onepoint3faq_6-1"><sup><i><b>b</b></i></sup></a> <a href="#cite_ref-onepoint3faq_6-2"><sup><i><b>c</b></i></sup></a> <a href="#cite_ref-onepoint3faq_6-3"><sup><i><b>d</b></i></sup></a></span> <span class="reference-text"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222"><cite class="citation web cs1"><a rel="nofollow" class="external text" href="https://www.gnu.org/licenses/fdl-1.3-faq.html">"GFDL v1.3 FAQ"</a>. GNU<span class="reference-accessdate">. Retrieved <span class="nowrap">November 7,</span> 2011</span>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&rft.genre=unknown&rft.btitle=GFDL+v1.3+FAQ&rft.pub=GNU&rft_id=https%3A%2F%2Fwww.gnu.org%2Flicenses%2Ffdl-1.3-faq.html&rfr_id=info%3Asid%2Fen.wikipedia.org%3AGNU+Free+Documentation+License" class="Z3988"></span></span> </li> <li id="cite_note-7"><span class="mw-cite-backlink"><b><a href="#cite_ref-7">^</a></b></span> <span class="reference-text"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222"><cite id="CITEREFLessig2007" class="citation web cs1">Lessig, Lawrence (December 1, 2007). <a rel="nofollow" class="external text" href="https://web.archive.org/web/20111026061623/http://lessig.org/blog/2007/12/some_important_news_from_wikip.html">"Some important news from Wikipedia to understand clearly"</a>. Lessig Blog. Archived from <a rel="nofollow" class="external text" href="http://lessig.org/blog/2007/12/some_important_news_from_wikip.html">the original</a> on October 26, 2011<span class="reference-accessdate">. Retrieved <span class="nowrap">November 7,</span> 2011</span>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&rft.genre=unknown&rft.btitle=Some+important+news+from+Wikipedia+to+understand+clearly&rft.pub=Lessig+Blog&rft.date=2007-12-01&rft.aulast=Lessig&rft.aufirst=Lawrence&rft_id=http%3A%2F%2Flessig.org%2Fblog%2F2007%2F12%2Fsome_important_news_from_wikip.html&rfr_id=info%3Asid%2Fen.wikipedia.org%3AGNU+Free+Documentation+License" class="Z3988"></span></span> </li> <li id="cite_note-8"><span class="mw-cite-backlink"><b><a href="#cite_ref-8">^</a></b></span> <span class="reference-text"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222"><cite class="citation web cs1"><a rel="nofollow" class="external text" href="https://wikimediafoundation.org/wiki/Resolution:License_update">"Resolution:License update"</a>. Wikimedia Foundation<span class="reference-accessdate">. Retrieved <span class="nowrap">November 7,</span> 2011</span>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&rft.genre=unknown&rft.btitle=Resolution%3ALicense+update&rft.pub=Wikimedia+Foundation&rft_id=https%3A%2F%2Fwikimediafoundation.org%2Fwiki%2FResolution%3ALicense_update&rfr_id=info%3Asid%2Fen.wikipedia.org%3AGNU+Free+Documentation+License" class="Z3988"></span></span> </li> <li id="cite_note-why-9"><span class="mw-cite-backlink">^ <a href="#cite_ref-why_9-0"><sup><i><b>a</b></i></sup></a> <a href="#cite_ref-why_9-1"><sup><i><b>b</b></i></sup></a></span> <span class="reference-text"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222"><cite id="CITEREFStallman" class="citation web cs1">Stallman, Richard. <a rel="nofollow" class="external text" href="https://www.gnu.org/licenses/why-gfdl.html">"Why publishers should use the GNU FDL"</a>. <i>GNU</i><span class="reference-accessdate">. Retrieved <span class="nowrap">July 17,</span> 2009</span>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.genre=unknown&rft.jtitle=GNU&rft.atitle=Why+publishers+should+use+the+GNU+FDL&rft.aulast=Stallman&rft.aufirst=Richard&rft_id=https%3A%2F%2Fwww.gnu.org%2Flicenses%2Fwhy-gfdl.html&rfr_id=info%3Asid%2Fen.wikipedia.org%3AGNU+Free+Documentation+License" class="Z3988"></span></span> </li> <li id="cite_note-gnufaq-10"><span class="mw-cite-backlink">^ <a href="#cite_ref-gnufaq_10-0"><sup><i><b>a</b></i></sup></a> <a href="#cite_ref-gnufaq_10-1"><sup><i><b>b</b></i></sup></a></span> <span class="reference-text">GNU Project: "<a rel="nofollow" class="external text" href="https://www.gnu.org/licenses/gpl-faq.html#WhyNotGPLForManuals">Frequently Asked Questions about the GNU Licenses: Why don't you use the GPL for manuals?</a>"</span> </li> <li id="cite_note-11"><span class="mw-cite-backlink"><b><a href="#cite_ref-11">^</a></b></span> <span class="reference-text"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222"><cite id="CITEREFWalsh2009" class="citation web cs1">Walsh, Jay (May 21, 2009). <a class="external text" href="https://blog.wikimedia.org/2009/05/21/wikimedia-community-approves-license-migration/">"Wikimedia community approves license migration"</a>. <i>Diff</i>. Wikimedia Foundation<span class="reference-accessdate">. Retrieved <span class="nowrap">May 21,</span> 2009</span>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.genre=unknown&rft.jtitle=Diff&rft.atitle=Wikimedia+community+approves+license+migration&rft.date=2009-05-21&rft.aulast=Walsh&rft.aufirst=Jay&rft_id=http%3A%2F%2Fblog.wikimedia.org%2F2009%2F05%2F21%2Fwikimedia-community-approves-license-migration%2F&rfr_id=info%3Asid%2Fen.wikipedia.org%3AGNU+Free+Documentation+License" class="Z3988"></span></span> </li> <li id="cite_note-12"><span class="mw-cite-backlink"><b><a href="#cite_ref-12">^</a></b></span> <span class="reference-text"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222"><cite class="citation web cs1"><a rel="nofollow" class="external text" href="https://wikimediafoundation.org/wiki/Resolution:Licensing_update_approval">"Resolution:Licensing update approval"</a>. <i>Wikimedia Foundation Governance Wiki</i>. <a rel="nofollow" class="external text" href="https://web.archive.org/web/20200802003719/https://foundation.wikimedia.org/wiki/Resolution:Licensing_update_approval">Archived</a> from the original on August 2, 2020.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.genre=unknown&rft.jtitle=Wikimedia+Foundation+Governance+Wiki&rft.atitle=Resolution%3ALicensing+update+approval&rft_id=https%3A%2F%2Fwikimediafoundation.org%2Fwiki%2FResolution%3ALicensing_update_approval&rfr_id=info%3Asid%2Fen.wikipedia.org%3AGNU+Free+Documentation+License" class="Z3988"></span></span> </li> <li id="cite_note-13"><span class="mw-cite-backlink"><b><a href="#cite_ref-13">^</a></b></span> <span class="reference-text">"<a class="external text" href="https://blog.wikimedia.org/2009/06/30/licensing-update-rolled-out-in-all-wikimedia-wikis/">Licensing update rolled out in all Wikimedia wikis</a>" on Diff by Erik Moeller on June 30, 2009, "Perhaps the most significant reason to choose CC-BY-SA as our primary content license was to be compatible with many of the other admirable endeavors out there to share and develop free knowledge".</span> </li> <li id="cite_note-14"><span class="mw-cite-backlink"><b><a href="#cite_ref-14">^</a></b></span> <span class="reference-text"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222"><cite id="CITEREFJones2010" class="citation web cs1">Jones, Pamela (August 3, 2010). <a rel="nofollow" class="external text" href="http://www.groklaw.net/article.php?story=20100803132055210">"BusyBox and the GPL Prevail Again – Updated 4Xs"</a>. <i><a href="/wiki/Groklaw" title="Groklaw">Groklaw</a></i><span class="reference-accessdate">. Retrieved <span class="nowrap">May 17,</span> 2019</span>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.genre=unknown&rft.jtitle=Groklaw&rft.atitle=BusyBox+and+the+GPL+Prevail+Again+%E2%80%93+Updated+4Xs&rft.date=2010-08-03&rft.aulast=Jones&rft.aufirst=Pamela&rft_id=http%3A%2F%2Fwww.groklaw.net%2Farticle.php%3Fstory%3D20100803132055210&rfr_id=info%3Asid%2Fen.wikipedia.org%3AGNU+Free+Documentation+License" class="Z3988"></span></span> </li> <li id="cite_note-15"><span class="mw-cite-backlink"><b><a href="#cite_ref-15">^</a></b></span> <span class="reference-text"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222"><cite class="citation news cs1"><a rel="nofollow" class="external text" href="https://web.archive.org/web/20160421051401/http://www.pcworld.com/article/135550/article.html">"Baidu May Be Worst Wikipedia Copyright Violator"</a>. <a href="/wiki/PC_World_(magazine)" class="mw-redirect" title="PC World (magazine)">PC World</a>. August 6, 2007. Archived from <a rel="nofollow" class="external text" href="http://www.pcworld.com/article/135550/article.html">the original</a> on April 21, 2016<span class="reference-accessdate">. Retrieved <span class="nowrap">September 10,</span> 2007</span>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.genre=article&rft.atitle=Baidu+May+Be+Worst+Wikipedia+Copyright+Violator&rft.date=2007-08-06&rft_id=http%3A%2F%2Fwww.pcworld.com%2Farticle%2F135550%2Farticle.html&rfr_id=info%3Asid%2Fen.wikipedia.org%3AGNU+Free+Documentation+License" class="Z3988"></span></span> </li> <li id="cite_note-nerode2007-16"><span class="mw-cite-backlink"><b><a href="#cite_ref-nerode2007_16-0">^</a></b></span> <span class="reference-text"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222"><cite id="CITEREFNerode2007" class="citation web cs1">Nerode, Nathanael (December 10, 2007). <a rel="nofollow" class="external text" href="https://web.archive.org/web/20071210175219/http://home.twcny.rr.com/nerode/neroden/fdl.html">"Why You Shouldn't Use the GNU FDL"</a>. Archived from <a rel="nofollow" class="external text" href="http://home.twcny.rr.com/nerode/neroden/fdl.html">the original</a> on December 10, 2007<span class="reference-accessdate">. Retrieved <span class="nowrap">November 7,</span> 2011</span>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&rft.genre=unknown&rft.btitle=Why+You+Shouldn%27t+Use+the+GNU+FDL&rft.date=2007-12-10&rft.aulast=Nerode&rft.aufirst=Nathanael&rft_id=http%3A%2F%2Fhome.twcny.rr.com%2Fnerode%2Fneroden%2Ffdl.html&rfr_id=info%3Asid%2Fen.wikipedia.org%3AGNU+Free+Documentation+License" class="Z3988"></span></span> </li> <li id="cite_note-17"><span class="mw-cite-backlink"><b><a href="#cite_ref-17">^</a></b></span> <span class="reference-text"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222"><cite id="CITEREFSrivastava2006" class="citation web cs1">Srivastava, Manoj (2006). <a rel="nofollow" class="external text" href="http://people.debian.org/~srivasta/Position_Statement.xhtml">"Draft Debian Position Statement about the GNU Free Documentation License (GFDL)"</a><span class="reference-accessdate">. Retrieved <span class="nowrap">September 25,</span> 2007</span>. <q><i>It is not possible to borrow text from a GFDL'd manual and incorporate it in any free software program whatsoever. This is not a mere license incompatibility. It's not just that the GFDL is incompatible with this or that free software license: it's that it is fundamentally incompatible with any free software license whatsoever. So if you write a new program, and you have no commitments at all about what license you want to use, saving only that it be a free license, you cannot include GFDL'd text. The GNU FDL, as it stands today, does not meet the Debian Free Software Guidelines. There are significant problems with the license, as detailed above; and, as such, we cannot accept works licensed under the GNU FDL into our distribution.</i></q></cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&rft.genre=unknown&rft.btitle=Draft+Debian+Position+Statement+about+the+GNU+Free+Documentation+License+%28GFDL%29&rft.date=2006&rft.aulast=Srivastava&rft.aufirst=Manoj&rft_id=http%3A%2F%2Fpeople.debian.org%2F~srivasta%2FPosition_Statement.xhtml&rfr_id=info%3Asid%2Fen.wikipedia.org%3AGNU+Free+Documentation+License" class="Z3988"></span></span> </li> <li id="cite_note-lwn-18"><span class="mw-cite-backlink"><b><a href="#cite_ref-lwn_18-0">^</a></b></span> <span class="reference-text"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222"><cite class="citation web cs1"><a rel="nofollow" class="external text" href="https://archive.today/20120713142623/http://lwn.net/Articles/59147/">"Thomas Bushnell dismissed from Hurd project for criticizing GFDL"</a>. archive.is. November 19, 2003. Archived from <a rel="nofollow" class="external text" href="https://lwn.net/Articles/59147/">the original</a> on July 13, 2012<span class="reference-accessdate">. Retrieved <span class="nowrap">April 16,</span> 2017</span>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&rft.genre=unknown&rft.btitle=Thomas+Bushnell+dismissed+from+Hurd+project+for+criticizing+GFDL&rft.pub=archive.is&rft.date=2003-11-19&rft_id=https%3A%2F%2Flwn.net%2FArticles%2F59147%2F&rfr_id=info%3Asid%2Fen.wikipedia.org%3AGNU+Free+Documentation+License" class="Z3988"></span></span> </li> <li id="cite_note-nerode2003-19"><span class="mw-cite-backlink"><b><a href="#cite_ref-nerode2003_19-0">^</a></b></span> <span class="reference-text"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222"><cite id="CITEREFNerode2003" class="citation web cs1">Nerode, Nathanael (September 24, 2003). <a rel="nofollow" class="external text" href="https://web.archive.org/web/20031009105046/http://home.twcny.rr.com/nerode/neroden/fdl.html">"Why You Shouldn't Use the GNU FDL"</a>. Archived from <a rel="nofollow" class="external text" href="http://home.twcny.rr.com/nerode/neroden/fdl.html">the original</a> on October 9, 2003<span class="reference-accessdate">. Retrieved <span class="nowrap">November 7,</span> 2011</span>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&rft.genre=unknown&rft.btitle=Why+You+Shouldn%27t+Use+the+GNU+FDL&rft.date=2003-09-24&rft.aulast=Nerode&rft.aufirst=Nathanael&rft_id=http%3A%2F%2Fhome.twcny.rr.com%2Fnerode%2Fneroden%2Ffdl.html&rfr_id=info%3Asid%2Fen.wikipedia.org%3AGNU+Free+Documentation+License" class="Z3988"></span></span> </li> <li id="cite_note-Bruceperens2003-20"><span class="mw-cite-backlink">^ <a href="#cite_ref-Bruceperens2003_20-0"><sup><i><b>a</b></i></sup></a> <a href="#cite_ref-Bruceperens2003_20-1"><sup><i><b>b</b></i></sup></a></span> <span class="reference-text"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222"><cite id="CITEREFBruce_Perens2003" class="citation web cs1"><a href="/wiki/Bruce_Perens" title="Bruce Perens">Bruce Perens</a> (September 2, 2003). <a rel="nofollow" class="external text" href="https://lists.debian.org/debian-legal/2003/09/msg00091.html">"stepping in between Debian and FSF"</a>. lists.debian.org/debian-legal<span class="reference-accessdate">. Retrieved <span class="nowrap">March 20,</span> 2016</span>. <q>FSF, a Free Software organization, isn't being entirely true to the Free Software ethos while it is promoting a license that allows invariant sections to be applied to anything but the license text and attribution. FSF is not Creative Commons:the documentation that FSF handles is an essential component of FSF's Free Software, and should be treated as such. In that light, the GFDL isn't consistent with the ethos that FSF has promoted for 19 years.</q></cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&rft.genre=unknown&rft.btitle=stepping+in+between+Debian+and+FSF&rft.pub=lists.debian.org%2Fdebian-legal&rft.date=2003-09-02&rft.au=Bruce+Perens&rft_id=https%3A%2F%2Flists.debian.org%2Fdebian-legal%2F2003%2F09%2Fmsg00091.html&rfr_id=info%3Asid%2Fen.wikipedia.org%3AGNU+Free+Documentation+License" class="Z3988"></span></span> </li> <li id="cite_note-debianresolution-21"><span class="mw-cite-backlink">^ <a href="#cite_ref-debianresolution_21-0"><sup><i><b>a</b></i></sup></a> <a href="#cite_ref-debianresolution_21-1"><sup><i><b>b</b></i></sup></a> <a href="#cite_ref-debianresolution_21-2"><sup><i><b>c</b></i></sup></a></span> <span class="reference-text">Debian: "<a rel="nofollow" class="external text" href="http://www.debian.org/vote/2006/vote_001.en.html#amendmenttexta">General Resolution: Why the GNU Free Documentation License is not suitable for Debian main – Amendment Text A</a>". 2006. (Accessed June 20, 2009)</span> </li> <li id="cite_note-22"><span class="mw-cite-backlink"><b><a href="#cite_ref-22">^</a></b></span> <span class="reference-text"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222"><cite class="citation web cs1"><a rel="nofollow" class="external text" href="https://archive.today/20080228211105/http://en.flossmanuals.net/bin/view/Blog/LicenseChange/">"License Change"</a>. <i><a href="/wiki/FLOSS_Manuals" title="FLOSS Manuals">FLOSS Manuals</a> Blog</i>. June 6, 2007. Archived from <a rel="nofollow" class="external text" href="http://en.flossmanuals.net/bin/view/Blog/LicenseChange/">the original</a> on February 28, 2008<span class="reference-accessdate">. Retrieved <span class="nowrap">June 20,</span> 2009</span>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.genre=unknown&rft.jtitle=FLOSS+Manuals+Blog&rft.atitle=License+Change&rft.date=2007-06-06&rft_id=http%3A%2F%2Fen.flossmanuals.net%2Fbin%2Fview%2FBlog%2FLicenseChange%2F&rfr_id=info%3Asid%2Fen.wikipedia.org%3AGNU+Free+Documentation+License" class="Z3988"></span></span> </li> <li id="cite_note-23"><span class="mw-cite-backlink"><b><a href="#cite_ref-23">^</a></b></span> <span class="reference-text"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222"><cite id="CITEREFStallman2003" class="citation web cs1">Stallman, Richard (September 6, 2003). <a rel="nofollow" class="external text" href="http://lists.debian.org/debian-legal/2003/09/msg00212.html">"Re: A possible GFDL compromise"</a>. <i>Debian Mailing Lists – debian-legal</i>. <a rel="nofollow" class="external text" href="https://web.archive.org/web/20231023074846/https://lists.debian.org/debian-legal/2003/09/msg00212.html">Archived</a> from the original on October 23, 2023<span class="reference-accessdate">. Retrieved <span class="nowrap">September 25,</span> 2007</span>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.genre=unknown&rft.jtitle=Debian+Mailing+Lists+%E2%80%93+debian-legal&rft.atitle=Re%3A+A+possible+GFDL+compromise&rft.date=2003-09-06&rft.aulast=Stallman&rft.aufirst=Richard&rft_id=http%3A%2F%2Flists.debian.org%2Fdebian-legal%2F2003%2F09%2Fmsg00212.html&rfr_id=info%3Asid%2Fen.wikipedia.org%3AGNU+Free+Documentation+License" class="Z3988"></span></span> </li> <li id="cite_note-24"><span class="mw-cite-backlink"><b><a href="#cite_ref-24">^</a></b></span> <span class="reference-text"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222"><cite id="CITEREFStallman2003" class="citation web cs1">Stallman, Richard (August 23, 2003). <a rel="nofollow" class="external text" href="http://lists.debian.org/debian-legal/2003/08/msg00807.html">"Re: A possible GFDL compromise"</a>. <i>Debian Mailing Lists – debian-legal</i>. <a rel="nofollow" class="external text" href="https://web.archive.org/web/20231023074535/https://lists.debian.org/debian-legal/2003/08/msg00807.html">Archived</a> from the original on October 23, 2023<span class="reference-accessdate">. Retrieved <span class="nowrap">September 25,</span> 2007</span>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.genre=unknown&rft.jtitle=Debian+Mailing+Lists+%E2%80%93+debian-legal&rft.atitle=Re%3A+A+possible+GFDL+compromise&rft.date=2003-08-23&rft.aulast=Stallman&rft.aufirst=Richard&rft_id=http%3A%2F%2Flists.debian.org%2Fdebian-legal%2F2003%2F08%2Fmsg00807.html&rfr_id=info%3Asid%2Fen.wikipedia.org%3AGNU+Free+Documentation+License" class="Z3988"></span></span> </li> <li id="cite_note-25"><span class="mw-cite-backlink"><b><a href="#cite_ref-25">^</a></b></span> <span class="reference-text"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222"><cite id="CITEREFBraakman2003" class="citation web cs1">Braakman, Richard (April 20, 2003). <a rel="nofollow" class="external text" href="http://lists.debian.org/debian-legal/2003/04/msg00258.html">"Re: Proposed statement wrt GNU FDL"</a>. <i>Debian Mailing Lists – debian-legal</i>. <a rel="nofollow" class="external text" href="https://web.archive.org/web/20231208072807/https://lists.debian.org/debian-legal/2003/04/msg00258.html">Archived</a> from the original on December 8, 2023.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.genre=unknown&rft.jtitle=Debian+Mailing+Lists+%E2%80%93+debian-legal&rft.atitle=Re%3A+Proposed+statement+wrt+GNU+FDL&rft.date=2003-04-20&rft.aulast=Braakman&rft.aufirst=Richard&rft_id=http%3A%2F%2Flists.debian.org%2Fdebian-legal%2F2003%2F04%2Fmsg00258.html&rfr_id=info%3Asid%2Fen.wikipedia.org%3AGNU+Free+Documentation+License" class="Z3988"></span></span> </li> <li id="cite_note-26"><span class="mw-cite-backlink"><b><a href="#cite_ref-26">^</a></b></span> <span class="reference-text"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222"><cite class="citation web cs1"><a rel="nofollow" class="external text" href="https://web.archive.org/web/20110807080218/http://fsfe.org/projects/gplv3/barcelona-moglen-transcript#lgpl">"Transcript of Eben Moglen at the 3rd international GPLv3 conference: LGPL, like merging electronic weak"</a>. <i>Free Software Foundation Europe</i>. June 22, 2006. Archived from <a rel="nofollow" class="external text" href="http://fsfe.org/projects/gplv3/barcelona-moglen-transcript#lgpl">the original</a> on August 7, 2011<span class="reference-accessdate">. Retrieved <span class="nowrap">June 20,</span> 2009</span>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.genre=unknown&rft.jtitle=Free+Software+Foundation+Europe&rft.atitle=Transcript+of+Eben+Moglen+at+the+3rd+international+GPLv3+conference%3A+LGPL%2C+like+merging+electronic+weak&rft.date=2006-06-22&rft_id=http%3A%2F%2Ffsfe.org%2Fprojects%2Fgplv3%2Fbarcelona-moglen-transcript%23lgpl&rfr_id=info%3Asid%2Fen.wikipedia.org%3AGNU+Free+Documentation+License" class="Z3988"></span></span> </li> <li id="cite_note-27"><span class="mw-cite-backlink"><b><a href="#cite_ref-27">^</a></b></span> <span class="reference-text"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222"><cite class="citation web cs1"><a rel="nofollow" class="external text" href="http://notablog.notafish.com/post/2005/04/21/26-why-the-wikimedia-projects-should-not-use-gfdl-as-a-stand-alone-license-for-images">"Why the Wikimedia projects should not use GFDL as a stand alone license for images"</a>. Notablog.notafish.com. April 21, 2005<span class="reference-accessdate">. Retrieved <span class="nowrap">March 14,</span> 2021</span>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&rft.genre=unknown&rft.btitle=Why+the+Wikimedia+projects+should+not+use+GFDL+as+a+stand+alone+license+for+images&rft.pub=Notablog.notafish.com&rft.date=2005-04-21&rft_id=http%3A%2F%2Fnotablog.notafish.com%2Fpost%2F2005%2F04%2F21%2F26-why-the-wikimedia-projects-should-not-use-gfdl-as-a-stand-alone-license-for-images&rfr_id=info%3Asid%2Fen.wikipedia.org%3AGNU+Free+Documentation+License" class="Z3988"></span></span> </li> <li id="cite_note-28"><span class="mw-cite-backlink"><b><a href="#cite_ref-28">^</a></b></span> <span class="reference-text"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222"><cite id="CITEREFCorbet2008" class="citation news cs1">Corbet, Jonathan (November 5, 2008). <a rel="nofollow" class="external text" href="https://lwn.net/Articles/305892/">"GFDL 1.3: Wikipedia's exit permit"</a>. <i>LWN.net</i><span class="reference-accessdate">. Retrieved <span class="nowrap">June 8,</span> 2023</span>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.genre=article&rft.jtitle=LWN.net&rft.atitle=GFDL+1.3%3A+Wikipedia%27s+exit+permit&rft.date=2008-11-05&rft.aulast=Corbet&rft.aufirst=Jonathan&rft_id=https%3A%2F%2Flwn.net%2FArticles%2F305892%2F&rfr_id=info%3Asid%2Fen.wikipedia.org%3AGNU+Free+Documentation+License" class="Z3988"></span></span> </li> <li id="cite_note-29"><span class="mw-cite-backlink"><b><a href="#cite_ref-29">^</a></b></span> <span class="reference-text"><a href="https://en.wikivoyage.org/wiki/Project:Why_Wikivoyage_isn%27t_GFDL" class="extiw" title="wikivoyage:Project:Why Wikivoyage isn't GFDL">Wikivoyage:Project:Why Wikivoyage isn't GFDL</a></span> </li> <li id="cite_note-30"><span class="mw-cite-backlink"><b><a href="#cite_ref-30">^</a></b></span> <span class="reference-text"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222"><cite id="CITEREFJudson2015" class="citation web cs1">Judson, Thomas W. (2015). <a rel="nofollow" class="external text" href="http://abstract.ups.edu">"Abstract Algebra: Theory and Applications"</a>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&rft.genre=unknown&rft.btitle=Abstract+Algebra%3A+Theory+and+Applications&rft.date=2015&rft.aulast=Judson&rft.aufirst=Thomas+W.&rft_id=http%3A%2F%2Fabstract.ups.edu&rfr_id=info%3Asid%2Fen.wikipedia.org%3AGNU+Free+Documentation+License" class="Z3988"></span></span> </li> </ol></div> <div class="mw-heading mw-heading2"><h2 id="External_links">External links</h2></div> <ul><li><span class="official-website"><span class="url"><a rel="nofollow" class="external text" href="https://www.gnu.org/licenses/fdl.html">Official website</a></span></span> <span class="mw-valign-text-top" typeof="mw:File/Frameless"><a href="https://www.wikidata.org/wiki/Q22169#P856" title="Edit this at Wikidata"><img alt="Edit this at Wikidata" 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