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<li class="interlanguage-link interwiki-ar mw-list-item"><a href="https://ar.wikipedia.org/wiki/%D9%85%D8%B3%D8%A7%D8%B9%D8%AF%D8%A9:%D9%81%D8%B1%D9%82" title="مساعدة:فرق – Arabic" lang="ar" hreflang="ar" data-title="مساعدة:فرق" data-language-autonym="العربية" data-language-local-name="Arabic" class="interlanguage-link-target"><span>العربية</span></a></li><li class="interlanguage-link interwiki-azb mw-list-item"><a href="https://azb.wikipedia.org/wiki/%DA%A9%D8%A4%D9%85%DA%A9:%D9%81%D8%B1%D9%82" title="کؤمک:فرق – South Azerbaijani" lang="azb" hreflang="azb" data-title="کؤمک:فرق" data-language-autonym="تۆرکجه" data-language-local-name="South Azerbaijani" class="interlanguage-link-target"><span>تۆرکجه</span></a></li><li class="interlanguage-link interwiki-bg mw-list-item"><a href="https://bg.wikipedia.org/wiki/%D0%A3%D0%B8%D0%BA%D0%B8%D0%BF%D0%B5%D0%B4%D0%B8%D1%8F:%D0%A1%D1%80%D0%B0%D0%B2%D0%BD%D1%8F%D0%B2%D0%B0%D0%BD%D0%B5_%D0%BD%D0%B0_%D0%B2%D0%B5%D1%80%D1%81%D0%B8%D0%B8" title="Уикипедия:Сравняване на версии – Bulgarian" lang="bg" hreflang="bg" data-title="Уикипедия:Сравняване на версии" data-language-autonym="Български" data-language-local-name="Bulgarian" class="interlanguage-link-target"><span>Български</span></a></li><li class="interlanguage-link interwiki-ca mw-list-item"><a href="https://ca.wikipedia.org/wiki/Ajuda:Difer%C3%A8ncies" title="Ajuda:Diferències – Catalan" lang="ca" hreflang="ca" data-title="Ajuda:Diferències" 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/N%C3%A1pov%C4%9Bda:Rozd%C3%ADl_verz%C3%AD" title="Nápověda:Rozdíl verzí – Czech" lang="cs" hreflang="cs" data-title="Nápověda:Rozdíl verzí" data-language-autonym="Čeština" data-language-local-name="Czech" class="interlanguage-link-target"><span>Čeština</span></a></li><li class="interlanguage-link interwiki-en mw-list-item"><a href="https://en.wikipedia.org/wiki/Help:Diff" title="Help:Diff – English" lang="en" hreflang="en" data-title="Help:Diff" data-language-autonym="English" data-language-local-name="English" class="interlanguage-link-target"><span>English</span></a></li><li class="interlanguage-link interwiki-eo mw-list-item"><a href="https://eo.wikipedia.org/wiki/Vikipedio:Komparo_de_versioj" title="Vikipedio:Komparo de versioj – Esperanto" lang="eo" hreflang="eo" data-title="Vikipedio:Komparo de versioj" data-language-autonym="Esperanto" data-language-local-name="Esperanto" class="interlanguage-link-target"><span>Esperanto</span></a></li><li class="interlanguage-link interwiki-es mw-list-item"><a href="https://es.wikipedia.org/wiki/Ayuda:Diff" title="Ayuda:Diff – Spanish" lang="es" hreflang="es" data-title="Ayuda:Diff" data-language-autonym="Español" data-language-local-name="Spanish" class="interlanguage-link-target"><span>Español</span></a></li><li class="interlanguage-link interwiki-fa mw-list-item"><a href="https://fa.wikipedia.org/wiki/%D8%B1%D8%A7%D9%87%D9%86%D9%85%D8%A7:%D8%AA%D9%81%D8%A7%D9%88%D8%AA" title="راهنما:تفاوت – Persian" lang="fa" hreflang="fa" data-title="راهنما:تفاوت" data-language-autonym="فارسی" data-language-local-name="Persian" class="interlanguage-link-target"><span>فارسی</span></a></li><li class="interlanguage-link interwiki-fr mw-list-item"><a href="https://fr.wikipedia.org/wiki/Aide:Diff" title="Aide:Diff – French" lang="fr" hreflang="fr" data-title="Aide:Diff" data-language-autonym="Français" data-language-local-name="French" class="interlanguage-link-target"><span>Français</span></a></li><li class="interlanguage-link interwiki-gl mw-list-item"><a href="https://gl.wikipedia.org/wiki/Axuda:Dif" title="Axuda:Dif – Galician" lang="gl" hreflang="gl" data-title="Axuda:Dif" data-language-autonym="Galego" data-language-local-name="Galician" class="interlanguage-link-target"><span>Galego</span></a></li><li class="interlanguage-link interwiki-hu mw-list-item"><a href="https://hu.wikipedia.org/wiki/Wikip%C3%A9dia:Difflink" title="Wikipédia:Difflink – Hungarian" lang="hu" hreflang="hu" data-title="Wikipédia:Difflink" data-language-autonym="Magyar" data-language-local-name="Hungarian" class="interlanguage-link-target"><span>Magyar</span></a></li><li class="interlanguage-link interwiki-id mw-list-item"><a href="https://id.wikipedia.org/wiki/Bantuan:Perbedaan" title="Bantuan:Perbedaan – Indonesian" lang="id" hreflang="id" data-title="Bantuan:Perbedaan" 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-ilo mw-list-item"><a href="https://ilo.wikipedia.org/wiki/Tulong:Diperensia" title="Tulong:Diperensia – Iloko" lang="ilo" hreflang="ilo" data-title="Tulong:Diperensia" data-language-autonym="Ilokano" data-language-local-name="Iloko" class="interlanguage-link-target"><span>Ilokano</span></a></li><li class="interlanguage-link interwiki-it mw-list-item"><a href="https://it.wikipedia.org/wiki/Aiuto:Diff" title="Aiuto:Diff – Italian" lang="it" hreflang="it" data-title="Aiuto:Diff" data-language-autonym="Italiano" data-language-local-name="Italian" class="interlanguage-link-target"><span>Italiano</span></a></li><li class="interlanguage-link interwiki-ja mw-list-item"><a href="https://ja.wikipedia.org/wiki/Help:%E5%B7%AE%E5%88%86" title="Help:差分 – Japanese" lang="ja" hreflang="ja" data-title="Help:差分" 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-jv mw-list-item"><a href="https://jv.wikipedia.org/wiki/Wikip%C3%A9dia:Prab%C3%A9dan" title="Wikipédia:Prabédan – Javanese" lang="jv" hreflang="jv" data-title="Wikipédia:Prabédan" data-language-autonym="Jawa" data-language-local-name="Javanese" class="interlanguage-link-target"><span>Jawa</span></a></li><li class="interlanguage-link interwiki-ko mw-list-item"><a href="https://ko.wikipedia.org/wiki/%EB%8F%84%EC%9B%80%EB%A7%90:%EC%B0%A8%EC%9D%B4" title="도움말:차이 – Korean" lang="ko" hreflang="ko" data-title="도움말:차이" data-language-autonym="한국어" data-language-local-name="Korean" class="interlanguage-link-target"><span>한국어</span></a></li><li class="interlanguage-link interwiki-ks mw-list-item"><a href="https://ks.wikipedia.org/wiki/%D9%85%D9%8E%D8%AF%D9%8E%D8%AA%DA%BE:%D9%81%D9%8E%D8%B1%D9%8E%D9%82" title="مَدَتھ:فَرَق – Kashmiri" lang="ks" hreflang="ks" data-title="مَدَتھ:فَرَق" data-language-autonym="कॉशुर / کٲشُر" data-language-local-name="Kashmiri" class="interlanguage-link-target"><span>कॉशुर / کٲشُر</span></a></li><li class="interlanguage-link interwiki-ms mw-list-item"><a href="https://ms.wikipedia.org/wiki/Bantuan:Perbezaan_antara_semakan" title="Bantuan:Perbezaan antara semakan – Malay" lang="ms" hreflang="ms" data-title="Bantuan:Perbezaan antara semakan" 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-no mw-list-item"><a href="https://no.wikipedia.org/wiki/Hjelp:Diff" title="Hjelp:Diff – Norwegian Bokmål" lang="nb" hreflang="nb" data-title="Hjelp:Diff" 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-pt mw-list-item"><a href="https://pt.wikipedia.org/wiki/Ajuda:Guia_de_edi%C3%A7%C3%A3o/Menus_e_ferramentas/Diferen%C3%A7a_entre_edi%C3%A7%C3%B5es" title="Ajuda:Guia de edição/Menus e ferramentas/Diferença entre edições – Portuguese" lang="pt" hreflang="pt" data-title="Ajuda:Guia de edição/Menus e ferramentas/Diferença entre edições" data-language-autonym="Português" data-language-local-name="Portuguese" class="interlanguage-link-target"><span>Português</span></a></li><li class="interlanguage-link interwiki-ru mw-list-item"><a href="https://ru.wikipedia.org/wiki/%D0%92%D0%B8%D0%BA%D0%B8%D0%BF%D0%B5%D0%B4%D0%B8%D1%8F:%D0%A1%D1%80%D0%B0%D0%B2%D0%BD%D0%B5%D0%BD%D0%B8%D0%B5_%D0%B2%D0%B5%D1%80%D1%81%D0%B8%D0%B9" title="Википедия:Сравнение версий – Russian" lang="ru" hreflang="ru" data-title="Википедия:Сравнение версий" data-language-autonym="Русский" data-language-local-name="Russian" class="interlanguage-link-target"><span>Русский</span></a></li><li class="interlanguage-link interwiki-si mw-list-item"><a href="https://si.wikipedia.org/wiki/%E0%B6%8B%E0%B6%AF%E0%B7%80%E0%B7%94:Diff" title="උදවු:Diff – Sinhala" lang="si" hreflang="si" data-title="උදවු:Diff" 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/Help:Diff" title="Help:Diff – Simple English" lang="en-simple" hreflang="en-simple" data-title="Help:Diff" 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-sk mw-list-item"><a href="https://sk.wikipedia.org/wiki/Pomoc:Rozdiel_medzi_rev%C3%ADziami" title="Pomoc:Rozdiel medzi revíziami – Slovak" lang="sk" hreflang="sk" data-title="Pomoc:Rozdiel medzi revíziami" data-language-autonym="Slovenčina" data-language-local-name="Slovak" class="interlanguage-link-target"><span>Slovenčina</span></a></li><li class="interlanguage-link interwiki-sr mw-list-item"><a href="https://sr.wikipedia.org/wiki/%D0%9F%D0%BE%D0%BC%D0%BE%D1%9B:%D0%A0%D0%B0%D0%B7%D0%BB%D0%B8%D0%BA%D0%B5" title="Помоћ:Разлике – Serbian" lang="sr" hreflang="sr" data-title="Помоћ:Разлике" 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-sv mw-list-item"><a href="https://sv.wikipedia.org/wiki/Wikipedia:Diffar" title="Wikipedia:Diffar – Swedish" lang="sv" hreflang="sv" data-title="Wikipedia:Diffar" data-language-autonym="Svenska" data-language-local-name="Swedish" class="interlanguage-link-target"><span>Svenska</span></a></li><li class="interlanguage-link interwiki-th mw-list-item"><a href="https://th.wikipedia.org/wiki/%E0%B8%A7%E0%B8%B4%E0%B8%98%E0%B8%B5%E0%B9%83%E0%B8%8A%E0%B9%89:%E0%B8%9C%E0%B8%A5%E0%B8%95%E0%B9%88%E0%B8%B2%E0%B8%87" title="วิธีใช้:ผลต่าง – Thai" lang="th" hreflang="th" data-title="วิธีใช้:ผลต่าง" 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/Yard%C4%B1m:Fark" title="Yardım:Fark – Turkish" lang="tr" hreflang="tr" data-title="Yardım:Fark" 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/%D0%92%D1%96%D0%BA%D1%96%D0%BF%D0%B5%D0%B4%D1%96%D1%8F:%D0%9F%D0%BE%D1%80%D1%96%D0%B2%D0%BD%D1%8F%D0%BD%D0%BD%D1%8F_%D0%B2%D0%B5%D1%80%D1%81%D1%96%D0%B9" title="Вікіпедія:Порівняння версій – Ukrainian" lang="uk" hreflang="uk" data-title="Вікіпедія:Порівняння версій" data-language-autonym="Українська" data-language-local-name="Ukrainian" class="interlanguage-link-target"><span>Українська</span></a></li><li class="interlanguage-link interwiki-zh mw-list-item"><a href="https://zh.wikipedia.org/wiki/Help:%E5%B7%AE%E5%BC%82" title="Help:差异 – Chinese" lang="zh" hreflang="zh" data-title="Help:差异" data-language-autonym="中文" data-language-local-name="Chinese" class="interlanguage-link-target"><span>中文</span></a></li> </ul> 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mandatory [o]" accesskey="o"><span class="vector-icon mw-ui-icon-logIn mw-ui-icon-wikimedia-logIn"></span> <span>Log in</span></a></li> </ul> </div> </div> <div id="p-user-menu-anon-editor" class="vector-menu mw-portlet mw-portlet-user-menu-anon-editor" > <div class="vector-menu-heading"> Pages for logged out editors <a href="/wiki/Help:Introduction" aria-label="Learn more about editing"><span>learn more</span></a> </div> <div class="vector-menu-content"> <ul class="vector-menu-content-list"> <li id="pt-anoncontribs" class="mw-list-item"><a href="/wiki/Special:MyContributions" title="A list of edits made from this IP address [y]" accesskey="y"><span>Contributions</span></a></li><li id="pt-anontalk" class="mw-list-item"><a href="/wiki/Special:MyTalk" title="Discussion about edits from this IP address [n]" accesskey="n"><span>Talk</span></a></li> </ul> </div> </div> </div> </div> </nav> </div> </header> </div> <div class="mw-page-container"> <div class="mw-page-container-inner"> <div class="vector-sitenotice-container"> <div id="siteNotice"></div> </div> <div class="vector-column-start"> <div class="vector-main-menu-container"> <div id="mw-navigation"> <nav id="mw-panel" class="vector-main-menu-landmark" aria-label="Site"> <div id="vector-main-menu-pinned-container" class="vector-pinned-container"> </div> </nav> </div> </div> <div class="vector-sticky-pinned-container"> <nav id="mw-panel-toc" aria-label="Contents" data-event-name="ui.sidebar-toc" class="mw-table-of-contents-container vector-toc-landmark"> <div id="vector-toc-pinned-container" class="vector-pinned-container"> <div id="vector-toc" class="vector-toc vector-pinnable-element"> <div class="vector-pinnable-header vector-toc-pinnable-header vector-pinnable-header-pinned" data-feature-name="toc-pinned" data-pinnable-element-id="vector-toc" > <h2 class="vector-pinnable-header-label">Contents</h2> <button class="vector-pinnable-header-toggle-button vector-pinnable-header-pin-button" data-event-name="pinnable-header.vector-toc.pin">move to sidebar</button> <button class="vector-pinnable-header-toggle-button vector-pinnable-header-unpin-button" data-event-name="pinnable-header.vector-toc.unpin">hide</button> </div> <ul class="vector-toc-contents" id="mw-panel-toc-list"> <li id="toc-mw-content-text" class="vector-toc-list-item vector-toc-level-1"> <a href="#" class="vector-toc-link"> <div class="vector-toc-text">Beginning</div> </a> </li> <li id="toc-When_and_why_to_use_a_diff?" class="vector-toc-list-item vector-toc-level-1 vector-toc-list-item-expanded"> <a class="vector-toc-link" href="#When_and_why_to_use_a_diff?"> <div class="vector-toc-text"> <span class="vector-toc-numb">1</span> <span>When and why to use a diff?</span> </div> </a> <ul id="toc-When_and_why_to_use_a_diff?-sublist" class="vector-toc-list"> </ul> </li> <li id="toc-How_to_navigate_to_view_a_diff?" class="vector-toc-list-item vector-toc-level-1 vector-toc-list-item-expanded"> <a class="vector-toc-link" href="#How_to_navigate_to_view_a_diff?"> <div class="vector-toc-text"> <span class="vector-toc-numb">2</span> <span>How to navigate to view a diff?</span> </div> </a> <ul id="toc-How_to_navigate_to_view_a_diff?-sublist" class="vector-toc-list"> </ul> </li> <li id="toc-Components_to_a_diff" class="vector-toc-list-item vector-toc-level-1 vector-toc-list-item-expanded"> <a class="vector-toc-link" href="#Components_to_a_diff"> <div class="vector-toc-text"> <span class="vector-toc-numb">3</span> <span>Components to a diff</span> </div> </a> <button aria-controls="toc-Components_to_a_diff-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 Components to a diff subsection</span> </button> <ul id="toc-Components_to_a_diff-sublist" class="vector-toc-list"> <li id="toc-Unchanged_Text" class="vector-toc-list-item vector-toc-level-2"> <a class="vector-toc-link" href="#Unchanged_Text"> <div class="vector-toc-text"> <span class="vector-toc-numb">3.1</span> <span>Unchanged Text</span> </div> </a> <ul id="toc-Unchanged_Text-sublist" class="vector-toc-list"> </ul> </li> <li id="toc-Moved_text" class="vector-toc-list-item vector-toc-level-2"> <a class="vector-toc-link" href="#Moved_text"> <div class="vector-toc-text"> <span class="vector-toc-numb">3.2</span> <span>Moved text</span> </div> </a> <ul id="toc-Moved_text-sublist" class="vector-toc-list"> </ul> </li> <li id="toc-Added_text" class="vector-toc-list-item vector-toc-level-2"> <a class="vector-toc-link" href="#Added_text"> <div class="vector-toc-text"> <span class="vector-toc-numb">3.3</span> <span>Added text</span> </div> </a> <ul id="toc-Added_text-sublist" class="vector-toc-list"> </ul> </li> <li id="toc-Removed_text" class="vector-toc-list-item vector-toc-level-2"> <a class="vector-toc-link" href="#Removed_text"> <div class="vector-toc-text"> <span class="vector-toc-numb">3.4</span> <span>Removed text</span> </div> </a> <ul id="toc-Removed_text-sublist" class="vector-toc-list"> </ul> </li> <li id="toc-Replaced_text" class="vector-toc-list-item vector-toc-level-2"> <a class="vector-toc-link" href="#Replaced_text"> <div class="vector-toc-text"> <span class="vector-toc-numb">3.5</span> <span>Replaced text</span> </div> </a> <ul id="toc-Replaced_text-sublist" class="vector-toc-list"> </ul> </li> </ul> </li> <li id="toc-Linking_to_a_diff" class="vector-toc-list-item vector-toc-level-1 vector-toc-list-item-expanded"> <a class="vector-toc-link" href="#Linking_to_a_diff"> <div class="vector-toc-text"> <span class="vector-toc-numb">4</span> <span>Linking to a diff</span> </div> </a> <ul id="toc-Linking_to_a_diff-sublist" class="vector-toc-list"> </ul> </li> <li id="toc-Inline_diffs" class="vector-toc-list-item vector-toc-level-1 vector-toc-list-item-expanded"> <a class="vector-toc-link" href="#Inline_diffs"> <div class="vector-toc-text"> <span class="vector-toc-numb">5</span> <span>Inline diffs</span> </div> </a> <ul id="toc-Inline_diffs-sublist" class="vector-toc-list"> </ul> </li> <li id="toc-How_to_report_bugs?" class="vector-toc-list-item vector-toc-level-1 vector-toc-list-item-expanded"> <a class="vector-toc-link" href="#How_to_report_bugs?"> <div class="vector-toc-text"> <span class="vector-toc-numb">6</span> <span>How to report bugs?</span> </div> </a> <ul id="toc-How_to_report_bugs?-sublist" class="vector-toc-list"> </ul> </li> <li id="toc-User_Preferences" class="vector-toc-list-item vector-toc-level-1 vector-toc-list-item-expanded"> <a class="vector-toc-link" href="#User_Preferences"> <div class="vector-toc-text"> <span class="vector-toc-numb">7</span> <span>User Preferences</span> </div> </a> <ul id="toc-User_Preferences-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">8</span> <span>See also</span> </div> </a> <ul id="toc-See_also-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-namespace">Help</span><span class="mw-page-title-separator">:</span><span class="mw-page-title-main">Diff</span></h1> <div class="mw-indicators"> </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-help" class="selected vector-tab-noicon mw-list-item"><a href="/wiki/Help:Diff" 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src="//upload.wikimedia.org/wikipedia/commons/thumb/e/ec/OOjs_UI_icon_information-progressive.svg/30px-OOjs_UI_icon_information-progressive.svg.png" decoding="async" width="30" height="30" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/e/ec/OOjs_UI_icon_information-progressive.svg/45px-OOjs_UI_icon_information-progressive.svg.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/e/ec/OOjs_UI_icon_information-progressive.svg/60px-OOjs_UI_icon_information-progressive.svg.png 2x" data-file-width="20" data-file-height="20"/></span></span></div><a href="/wiki/Special:MyLanguage/Help:Special_pages" title="Special:MyLanguage/Help:Special pages">Special pages - Help</a><span style="display:none"><a href="/wiki/Help:Special_pages" title="Help:Special pages"> </a></span> </div> <div class="nmbox-text mbox-text"><style data-mw-deduplicate="TemplateStyles:r6387430">.mw-parser-output .hlist dl,.mw-parser-output .hlist ol,.mw-parser-output .hlist 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dd:first-child:before,.mw-parser-output .hlist dt dt:first-child:before,.mw-parser-output .hlist dt li:first-child:before,.mw-parser-output .hlist li dd:first-child:before,.mw-parser-output .hlist li dt:first-child:before,.mw-parser-output .hlist li li:first-child:before{content:" (";font-weight:normal}.mw-parser-output .hlist dd dd:last-child:after,.mw-parser-output .hlist dd dt:last-child:after,.mw-parser-output .hlist dd li:last-child:after,.mw-parser-output .hlist dt dd:last-child:after,.mw-parser-output .hlist dt dt:last-child:after,.mw-parser-output .hlist dt li:last-child:after,.mw-parser-output .hlist li dd:last-child:after,.mw-parser-output .hlist li dt:last-child:after,.mw-parser-output .hlist li li:last-child:after{content:")";font-weight:normal}.mw-parser-output .hlist ol{counter-reset:listitem}.mw-parser-output .hlist ol>li{counter-increment:listitem}.mw-parser-output .hlist ol>li:before{content:" "counter(listitem)"\a0 "}.mw-parser-output .hlist dd ol>li:first-child:before,.mw-parser-output .hlist dt ol>li:first-child:before,.mw-parser-output .hlist li ol>li:first-child:before{content:" ("counter(listitem)"\a0 "}</style><div class="hlist"> <ul><li><a href="/wiki/Special:MyLanguage/Help:All_pages" title="Special:MyLanguage/Help:All pages">All pages</a><span style="display:none"><a href="/wiki/Help:All_pages" title="Help:All pages"> </a></span></li> <li><a href="/wiki/Special:MyLanguage/Help:ApiSandbox" title="Special:MyLanguage/Help:ApiSandbox">ApiSandbox</a><span style="display:none"><a href="/wiki/Help:ApiSandbox" title="Help:ApiSandbox"> </a></span></li> <li><b><a href="/wiki/Special:MyLanguage/Help:Diff" title="Special:MyLanguage/Help:Diff">Diff</a></b><span style="display:none"><a class="mw-selflink selflink"> </a></span></li> <li><a href="/wiki/Special:MyLanguage/Help:ExpandTemplates" title="Special:MyLanguage/Help:ExpandTemplates">ExpandTemplates</a><span style="display:none"><a href="/wiki/Help:ExpandTemplates" title="Help:ExpandTemplates"> </a></span></li> <li><a href="/wiki/Special:MyLanguage/Help:Merge_history" title="Special:MyLanguage/Help:Merge history">Merge history</a><span style="display:none"><a href="/wiki/Help:Merge_history" title="Help:Merge history"> </a></span></li> <li><a href="/wiki/Special:MyLanguage/Help:New_files" title="Special:MyLanguage/Help:New files">New files</a><span style="display:none"><a href="/wiki/Help:New_files" title="Help:New files"> </a></span></li> <li><a href="/wiki/Special:MyLanguage/Help:New_pages" title="Special:MyLanguage/Help:New pages">New pages</a><span style="display:none"><a href="/wiki/Help:New_pages" title="Help:New pages"> </a></span></li> <li><a href="/wiki/Special:MyLanguage/Help:PermanentLink" title="Special:MyLanguage/Help:PermanentLink">PermanentLink</a><span style="display:none"><a href="/wiki/Help:PermanentLink" title="Help:PermanentLink"> </a></span></li> <li><a href="/wiki/Special:MyLanguage/Help:Preferences" title="Special:MyLanguage/Help:Preferences">Preferences</a><span style="display:none"><a href="/wiki/Help:Preferences" title="Help:Preferences"> </a></span></li> <li><a href="/wiki/Special:MyLanguage/Help:Random_page" title="Special:MyLanguage/Help:Random page">Random page</a><span style="display:none"><a href="/wiki/Help:Random_page" title="Help:Random page"> </a></span></li> <li><a href="/wiki/Special:MyLanguage/Help:Random_root_page" title="Special:MyLanguage/Help:Random root page">Random root page</a><span style="display:none"><a href="/wiki/Help:Random_root_page" title="Help:Random root page"> </a></span></li> <li><a href="/wiki/Special:MyLanguage/Help:Recent_changes" title="Special:MyLanguage/Help:Recent changes">Recent changes</a><span style="display:none"><a href="/wiki/Help:Recent_changes" title="Help:Recent changes"> </a></span></li> <li><a href="/wiki/Special:MyLanguage/Help:Undelete" title="Special:MyLanguage/Help:Undelete">Undelete</a><span style="display:none"><a href="/wiki/Help:Undelete" title="Help:Undelete"> </a></span></li> <li><a href="/wiki/Special:MyLanguage/Help:Watchlist" title="Special:MyLanguage/Help:Watchlist">Watchlist</a><span style="display:none"><a href="/wiki/Help:Watchlist" title="Help:Watchlist"> </a></span></li> <li><a href="/wiki/Special:MyLanguage/Help:What_links_here" title="Special:MyLanguage/Help:What links here">What links here</a><span style="display:none"><a href="/wiki/Help:What_links_here" title="Help:What links here"> </a></span></li></ul> </div></div> </div> <p>A <b><a href="https://en.wikipedia.org/wiki/Diff" class="extiw" title="w:Diff">diff</a></b> (short for difference) displays the changes between two revisions of a page. Diffs are a fundamental component of navigation and content moderation on MediaWiki wikis. </p><p>The platforms in the wiki ecosystem have several versions of a diff depending on which device and installation of MediaWiki is being used. </p> <meta property="mw:PageProp/toc"/> <div class="mw-heading mw-heading2 ext-discussiontools-init-section"><h2 id="When_and_why_to_use_a_diff?" data-mw-thread-id="h-When_and_why_to_use_a_diff?"><span id="When_and_why_to_use_a_diff.3F"></span><span data-mw-comment-start="" id="h-When_and_why_to_use_a_diff?"></span>When and why to use a diff?<span data-mw-comment-end="h-When_and_why_to_use_a_diff?"></span></h2></div> <p>The main reason to use a diff is to review a specific change to a page made by yourself or someone else. There are many possible reasons to do this: </p> <ul><li>To help find instances of vandalism</li> <li>To determine when a section, sentence, or word was added or removed</li> <li>To determine which editor made a given change</li> <li>As a starting point to further actions as the diff contains <a href="/wiki/Special:MyLanguage/Help:Editing_pages" title="Special:MyLanguage/Help:Editing pages">edit</a>, <a href="/wiki/Special:MyLanguage/Manual:Reverts#Undo" title="Special:MyLanguage/Manual:Reverts">undo</a>, and other actions as well as links to the editor's user and talk pages.</li></ul> <div class="mw-heading mw-heading2 ext-discussiontools-init-section"><h2 id="How_to_navigate_to_view_a_diff?" data-mw-thread-id="h-How_to_navigate_to_view_a_diff?"><span id="How_to_navigate_to_view_a_diff.3F"></span><span data-mw-comment-start="" id="h-How_to_navigate_to_view_a_diff?"></span>How to navigate to view a diff?<span data-mw-comment-end="h-How_to_navigate_to_view_a_diff?"></span></h2></div> <p>The most common way to view a diff is through the "<a href="/wiki/Special:MyLanguage/Help:History" title="Special:MyLanguage/Help:History">Revision history</a>". This is accessible via the "View history" tab. From there, you can use "prev" to view diffs of single revisions, or use the radio buttons and the "Compare selected revisions" button to view diffs across multiple revisions. </p><p>Most <a href="/wiki/Special:MyLanguage/Help:Special_pages" title="Special:MyLanguage/Help:Special pages">special pages</a> that list changes will usually include links to diffs, such as: </p> <ul><li><a href="/wiki/Special:RecentChanges" title="Special:RecentChanges">Special:RecentChanges</a></li> <li><a href="/wiki/Special:Watchlist" title="Special:Watchlist">Special:Watchlist</a></li> <li><a href="/wiki/Special:Contributions" title="Special:Contributions">Special:Contributions</a></li> <li><a href="/wiki/Special:RecentChangesLinked" title="Special:RecentChangesLinked">Special:Relatedchanges</a></li></ul> <p>Another way to view a diff is with the <a href="/wiki/Special:Diff" title="Special:Diff">Special:Diff</a> page. To use this, you must know the IDs of the revisions you want to compare. Revision IDs can be retrieved by looking at the <code>diff=123</code> portion of a diff URL, where <code>123</code> is the diff ID. Additionally, you can use the value of the <code>oldid</code> parameter to get the diff of that revision against the previous one. </p> <div class="mw-heading mw-heading2 ext-discussiontools-init-section"><h2 id="Components_to_a_diff" data-mw-thread-id="h-Components_to_a_diff"><span data-mw-comment-start="" id="h-Components_to_a_diff"></span>Components to a diff<span data-mw-comment-end="h-Components_to_a_diff"></span></h2></div> <p>Below is a visual representation of the important components of a diff page which you will see when viewing the difference between two versions. </p> <figure class="mw-halign-none" typeof="mw:File/Thumb"><a href="/wiki/File:Diff-components.svg" class="mw-file-description"><img src="//upload.wikimedia.org/wikipedia/commons/thumb/c/c1/Diff-components.svg/600px-Diff-components.svg.png" decoding="async" width="600" height="684" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/c/c1/Diff-components.svg/900px-Diff-components.svg.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/c/c1/Diff-components.svg/1200px-Diff-components.svg.png 2x" data-file-width="1733" data-file-height="1976"/></a><figcaption>Components of a diff</figcaption></figure> <p><br/> This interactive example shows the top of the diff page (some of the links are dummy links). The older revision is shown on the left, the newer revision on the right. </p> <blockquote style="border:1px solid black; padding:1em;"> <table class="diff diff-contentalign-left diff-editfont-monospace" border="0" style="border-spacing:4px; table-layout:fixed; width:98%"> <tbody><tr style="height:1px"> <td style="width:2%"> </td> <td style="width:48%"> </td> <td style="width:2%"> </td> <td style="width:48%"> </td></tr> <tr class="diff-title"> <td colspan="2" class="diff-otitle diff-side-deleted"><div class="mw-diff-otitle1"><strong><a href="/wiki/Special:MyLanguage/Help:Page_history" title="Special:MyLanguage/Help:Page history">Revision as of 22:32, 3 August 2003</a> (<a href="/wiki/Special:MyLanguage/Help:Editing" title="Special:MyLanguage/Help:Editing">edit</a>)</strong></div> <div class="mw-diff-otitle2"><a href="/wiki/User:Tim_Starling" title="User:Tim Starling">Tim Starling</a> (<a href="/wiki/User_talk:Tim_Starling" title="User talk:Tim Starling">talk</a> | <a href="/wiki/Special:MyLanguage/Help:User_contributions" title="Special:MyLanguage/Help:User contributions">contribs</a>)</div> <div class="mw-diff-otitle3"><span class="comment">(<a href="/wiki/Special:MyLanguage/Help:Edit_summary" title="Special:MyLanguage/Help:Edit summary">Edit summaries</a> in diffs are great)</span></div> <div class="mw-diff-otitle4"><a href="/wiki/Special:MyLanguage/Help:Page_history" title="Special:MyLanguage/Help:Page history">← Older edit</a></div> </td> <td colspan="2" class="diff-otitle diff-side-added"><div class="mw-diff-otitle1"><strong><a href="/wiki/Special:MyLanguage/Help:Page_history" title="Special:MyLanguage/Help:Page history">Revision as of 00:10, 18 August 2003</a> (<a href="/wiki/Special:MyLanguage/Help:Editing" title="Special:MyLanguage/Help:Editing">edit</a>) (<a href="/wiki/Special:MyLanguage/Manual:Reverts" title="Special:MyLanguage/Manual:Reverts">undo</a>) (<a href="/wiki/Special:MyLanguage/Extension:Thanks" title="Special:MyLanguage/Extension:Thanks">thank</a>)</strong></div> <div class="mw-diff-otitle2"><a href="/wiki/User:Angela" title="User:Angela">Angela</a> (<a href="/wiki/User_talk:Angela" title="User talk:Angela">talk</a>) <span class="mw-rollback-link"><a href="/wiki/Special:MyLanguage/Manual:Rollback" title="Special:MyLanguage/Manual:Rollback">rollback 1 edit</a></span></div> <div class="mw-diff-otitle3"><abbr class="minoredit" title="This is a minor edit">m</abbr> <span class="comment">(correction, + <a href="/w/index.php?title=MediaWiki_User%27s_Guide&action=edit&redlink=1" class="new" title="MediaWiki User's Guide (page does not exist)">MediaWiki User's Guide</a>)</span></div> <div class="mw-diff-otitle4"> </div> </td></tr> <tr> <td colspan="2" class="diff-lineno">Line 8: </td> <td colspan="2" class="diff-lineno">Line 8: </td></tr> <tr> <td class="diff-marker"> </td> <td class="diff-context diff-side-deleted">For sysops and those with the rollback flag, a revert button is shown allowing them to revert from the new version to the old one. </td> <td class="diff-marker"> </td> <td class="diff-context diff-side-deleted">For sysops and those with the rollback flag, a revert button is shown allowing them to revert from the new version to the old one. </td></tr> <tr> <td class="diff-marker">− </td> <td class="diff-deletedline diff-side-deleted">This is only shown when viewing the diff between the <del class="diffchange diffchange-inline">current</del> version and the one <del class="diffchange diffchange-inline">immediately preceding it</del>. </td> <td class="diff-marker">+ </td> <td class="diff-addedline diff-side-added">This is only shown when viewing the diff between the <ins class="diffchange diffchange-inline">recent</ins> version<ins class="diffchange diffchange-inline"> of a page</ins> and<ins class="diffchange diffchange-inline"> the last version by an author other than</ins> the one <ins class="diffchange diffchange-inline">of the most current version</ins>. </td></tr> <tr> <td class="diff-marker"> </td> <td class="diff-context diff-side-deleted">This example shows the top of the diff page, with the links described above. </td> <td class="diff-marker"> </td> <td class="diff-context diff-side-deleted">This example shows the top of the diff page, with the links described above. </td></tr> <tr> <td colspan="2" class="diff-lineno">Line 25: </td> <td colspan="2" class="diff-lineno">Line 25: </td></tr> <tr> <td class="diff-marker"> </td> <td class="diff-context diff-side-deleted"></table> </td> <td class="diff-marker"> </td> <td class="diff-context diff-side-deleted"></table> </td></tr> <tr> <td colspan="2"> </td> <td class="diff-marker">+ </td> <td class="diff-addedline diff-side-added">[[MediaWiki User's Guide]] </td></tr> <tr> <td colspan="2"> </td> <td class="diff-marker">+ </td> <td class="diff-addedline diff-side-added"> </td></tr></tbody></table> </blockquote> <div class="mw-heading mw-heading3"><h3 id="Unchanged_Text" data-mw-thread-id="h-Unchanged_Text-Components_to_a_diff"><span data-mw-comment-start="" id="h-Unchanged_Text-Components_to_a_diff"></span>Unchanged Text<span data-mw-comment-end="h-Unchanged_Text-Components_to_a_diff"></span></h3></div> <p>Unchanged text is dark grey on light grey (only parts before and after changed text are shown). </p> <table class="wikitable" style="border-collapse:separate;background-color:white"> <caption>Colour key </caption> <tbody><tr> <th align="center" width="200">Previous diff </th> <th align="center" width="200">Newer diff </th></tr> <tr> <td colspan="2"><table class="diff diff-contentalign-left diff-editfont-monospace"><tbody><tr> <td class="diff-context diff-side-deleted">Unchanged</td> <td class="diff-context diff-side-added">Unchanged</td> </tr></tbody></table> </td></tr></tbody></table> <div class="mw-heading mw-heading3"><h3 id="Moved_text" data-mw-thread-id="h-Moved_text-Components_to_a_diff"><span data-mw-comment-start="" id="h-Moved_text-Components_to_a_diff"></span>Moved text<span data-mw-comment-end="h-Moved_text-Components_to_a_diff"></span></h3></div> <p>Identical text that has moved from one place to another is usually represented as added and removed text. On MediaWiki installations using <a href="/wiki/Special:MyLanguage/Wikidiff2" title="Special:MyLanguage/Wikidiff2">Wikidiff2</a><span style="display:none"><a href="/wiki/Wikidiff2" title="Wikidiff2"> </a></span>, there may be an arrow icon more clearly indicating where the moved text went to. </p> <div class="mw-heading mw-heading3"><h3 id="Added_text" data-mw-thread-id="h-Added_text-Components_to_a_diff"><span data-mw-comment-start="" id="h-Added_text-Components_to_a_diff"></span>Added text<span data-mw-comment-end="h-Added_text-Components_to_a_diff"></span></h3></div> <p>Lines containing added text have a plus icon (<b>+</b>) before them. The added words and characters are highlighted and in bold. </p> <div class="mw-heading mw-heading3"><h3 id="Removed_text" data-mw-thread-id="h-Removed_text-Components_to_a_diff"><span data-mw-comment-start="" id="h-Removed_text-Components_to_a_diff"></span>Removed text<span data-mw-comment-end="h-Removed_text-Components_to_a_diff"></span></h3></div> <p>Lines containing removed text have a minus icon (<b>−</b>) before them. The removed words and characters are highlighted and in bold. </p> <div class="mw-heading mw-heading3"><h3 id="Replaced_text" data-mw-thread-id="h-Replaced_text-Components_to_a_diff"><span data-mw-comment-start="" id="h-Replaced_text-Components_to_a_diff"></span>Replaced text<span data-mw-comment-end="h-Replaced_text-Components_to_a_diff"></span></h3></div> <p>We can see what has been replaced with new content when there's a + icon and a − icon next to the phrase where the change happened. </p><p>Paragraphs which have changed are black on white, with an orange border on the old revision side and a blue border on the new version side. </p><p>Inserted and removed text is highlighted with the border color and in bold. Where whole paragraphs have been removed or inserted, no highlighting or bolding is applied and the other side is blank. </p> <table class="wikitable" style="border-collapse:separate;background-color:white"> <caption>Colour key </caption> <tbody><tr> <th align="center" width="200">Old revision </th> <th align="center" width="200">New revision </th></tr> <tr> <td colspan="2"><table class="diff diff-contentalign-left diff-editfont-monospace"><tbody><tr> <td class="diff-deletedline diff-side-deleted">Paragraph changed</td> <td class="diff-addedline diff-side-added">Paragraph changed</td> </tr></tbody></table> </td></tr></tbody></table> <table class="wikitable" style="border-collapse:separate;background-color:white"> <caption>Colour key </caption> <tbody><tr> <th align="center" width="200">Old revision </th> <th align="center" width="200">New revision </th></tr> <tr> <td colspan="2"><table class="diff diff-contentalign-left diff-editfont-monospace"><tbody><tr> <td class="diff-deletedline diff-side-deleted">Paragraph removed</td> <td class="diff-empty diff-side-delete"> </td> </tr> <tr> <td class="diff-empty diff-side-added"> </td> <td class="diff-addedline diff-side-added">Paragraph added</td> </tr></tbody></table> </td></tr></tbody></table> <table class="wikitable" style="border-collapse:separate;background-color:white"> <caption>Colour key </caption> <tbody><tr> <th align="center" width="200">Old revision </th> <th align="center" width="200">New revision </th></tr> <tr> <td colspan="2"><table class="diff diff-contentalign-left diff-editfont-monospace"><tbody><tr> <td class="diff-deletedline diff-side-deleted"><del class="diffchange diffchange-inline">Removed characters</del></td> <td class="diff-addedline diff-side-added"><ins class="diffchange diffchange-inline">Added characters</ins></td> </tr></tbody></table> </td></tr></tbody></table> <div class="mw-heading mw-heading2 ext-discussiontools-init-section"><h2 id="Linking_to_a_diff" data-mw-thread-id="h-Linking_to_a_diff"><span data-mw-comment-start="" id="h-Linking_to_a_diff"></span>Linking to a diff<span data-mw-comment-end="h-Linking_to_a_diff"></span></h2></div> <p>Diffs can be linked to by copying the URL while viewing the diff — this URL has two parameters, <code>diff</code> and <code>oldid</code>. </p><p>Linking to a diff from outside a wiki can be done by using the full URL, for example: </p> <ul><li><code>https://mediawiki.org/w/index.php?diff=1242287</code></li></ul> <p>The diff <a href="/wiki/Special:MyLanguage/Help:Special_pages" title="Special:MyLanguage/Help:Special pages">special page</a> at <a href="/wiki/Special:Diff" title="Special:Diff">Special:Diff</a> makes it easier to create shorter URLs which redirect to diffs. </p><p>From within a wiki, these links can take the following forms: </p> <ul><li><code>[[Special:Diff/1242287]]</code> → <a href="/wiki/Special:Diff/1242287" title="Special:Diff/1242287">Special:Diff/1242287</a> – Shows the diff to the previous revision of the same page.</li> <li><code>[[Special:Diff/1242287/prev]]</code> → <a href="/wiki/Special:Diff/1242287/prev" title="Special:Diff/1242287/prev">Special:Diff/1242287/prev</a> – Shows the diff to the previous revision of the same page.</li> <li><code>[[Special:Diff/1242287/next]]</code> → <a href="/wiki/Special:Diff/1242287/next" title="Special:Diff/1242287/next">Special:Diff/1242287/next</a> – Shows the diff to the next revision of the same page.</li> <li><code>[[Special:Diff/1242287/cur]]</code> → <a href="/wiki/Special:Diff/1242287/cur" title="Special:Diff/1242287/cur">Special:Diff/1242287/cur</a> – Shows the diff to the current revision of the same page.</li> <li><code>[[Special:Diff/1242286/1242287]]</code> → <a href="/wiki/Special:Diff/1242286/1242287" title="Special:Diff/1242286/1242287">Special:Diff/1242286/1242287</a> – Shows the diff between the specified revisions of the same page which may also be reversed, e.g. <code>[[Special:Diff/1242287/1242286]]</code> → <a href="/wiki/Special:Diff/1242287/1242286" title="Special:Diff/1242287/1242286">Special:Diff/1242287/1242286</a>, though one should avoid this.</li></ul> <p>These links may be used in the <a href="/wiki/Special:MyLanguage/Help:Edit_summary" title="Special:MyLanguage/Help:Edit summary">edit summary</a> as well as being adapted like any other internal links, e.g. <code>[[Special:Diff/1242286/1242287|see this diff]]</code> → <a href="/wiki/Special:Diff/1242286/1242287" title="Special:Diff/1242286/1242287">see this diff</a>. </p><p>For example, the full URL <code>[https://mediawiki.org/w/index.php?diff=1242287 1242287]</code> could also be written as <code>[[Special:Diff/1242287|1242287]]</code>. </p><p>By default, the later revision of the page is displayed in full below the diff — this can be turned off via a <a href="/wiki/Special:MyLanguage/Help:Preferences" title="Special:MyLanguage/Help:Preferences">preference</a> ("Don't show page content below diffs") or by setting <code>diffonly=1</code> in the URL. Links to diffs without the page text can be created: </p> <ul><li><code>{{canonicalurl:Special:Diff/1242287|diffonly=1}}</code> → <a class="external free" href="https://www.mediawiki.org/w/index.php?title=Special:Diff/1242287&diffonly=1">https://www.mediawiki.org/w/index.php?title=Special:Diff/1242287&diffonly=1</a></li></ul> <div class="mw-heading mw-heading2 ext-discussiontools-init-section"><h2 id="Inline_diffs" data-mw-thread-id="h-Inline_diffs"><span data-mw-comment-start="" id="h-Inline_diffs"></span>Inline diffs<span data-mw-comment-end="h-Inline_diffs"></span></h2></div> <style data-mw-deduplicate="TemplateStyles:r4199130">.mw-parser-output .mw-version{border:1px solid #72777d;font-size:80%;line-height:1.2;border-collapse:collapse}.mw-parser-output .mw-version-ltr{float:right;margin:0 0 .5em .5em;text-align:right}.mw-parser-output .mw-version-rtl{float:left;margin:0 .5em .5em 0;text-align:left}.mw-parser-output .mw-version td{padding:.1em .3em}.mw-parser-output .mw-version-versionbox{border:5px solid #00af89;text-align:center}.mw-parser-output .mw-version-versionnumber{font-weight:bold;font-size:180%}.mw-parser-output .mw-version-version .mw-version-versionbox{border-color:#c8ccd1}.mw-parser-output .mw-version.mw-version-version2 .mw-version-versionbox{border-top-color:#c8ccd1;border-right-color:#c8ccd1;border-left-color:#c8ccd1}.mw-parser-output .mw-version-version-unsupported .mw-version-versionbox{border-color:#d33}.mw-parser-output .mw-version.mw-version-version2-unsupported .mw-version-versionbox{border-top-color:#d33;border-right-color:#d33;border-left-color:#d33}.mw-parser-output .mw-version-version-legacy .mw-version-versionbox{border-color:#f93}.mw-parser-output .mw-version.mw-version-version2-legacy .mw-version-versionbox{border-top-color:#f93;border-right-color:#f93;border-left-color:#f93}.mw-parser-output .mw-version-version-stable .mw-version-versionbox,.mw-parser-output .mw-version.mw-version.mw-version-and-later .mw-version-versionbox{border-color:#00af89}.mw-parser-output .mw-version.mw-version-version2-stable .mw-version-versionbox{border-top-color:#00af89;border-right-color:#00af89;border-left-color:#00af89}.mw-parser-output .mw-version-version-future .mw-version-versionbox{border-color:#8080c0}.mw-parser-output .mw-version.mw-version-version2-future .mw-version-versionbox{border-top-color:#8080c0;border-right-color:#8080c0;border-left-color:#8080c0}.mw-parser-output .mw-version-version-alpha .mw-version-versionbox{border-style:dotted}</style> <table class="mw-version mw-version-ltr mw-version-version mw-version-version-unsupported mw-version-and-later"><tbody><tr> <td>MediaWiki version:</td> <td class="mw-version-versionbox" title="The latest stable version is 1.42"><div class="mw-version-versionnumber"><small>≥</small> 1.35</div></td> </tr></tbody></table> <p>Since MediaWiki 1.35, an inline diff (also known as a <a href="https://en.wikipedia.org/wiki/unified_diff" class="extiw" title="w:unified diff">unified diff</a>) is available. As of 2022 this is only available with the <a href="/wiki/Special:MyLanguage/wikidiff2" title="Special:MyLanguage/wikidiff2">wikidiff2</a><span style="display:none"><a href="/wiki/Wikidiff2" title="Wikidiff2"> </a></span> engine. Inline diffs can be accessed by passing the <code>diff-type=inline</code> parameter in the URL (<a class="external text" href="https://www.mediawiki.org/w/index.php?diff=1242287&diffmode=source&diff-type=inline">example</a>). </p> <link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r4199130"> <table class="mw-version mw-version-ltr mw-version-version mw-version-version-legacy mw-version-and-later"><tbody><tr> <td>MediaWiki version:</td> <td class="mw-version-versionbox" title="The latest stable version is 1.42"><div class="mw-version-versionnumber"><small>≥</small> 1.41</div></td> </tr></tbody></table> <p>As of MediaWiki 1.41, a toggle was added to diff pages that allows users to switch between inline and two-column in the user interface (<a href="https://phabricator.wikimedia.org/T336716" class="extiw" title="phab:T336716">T336716</a>). </p> <blockquote style="border:1px solid black; padding:1em;"> <div class="mw-diff-table-prefix" dir="ltr" lang="en"> <div class="mw-diff-inline-legend"><span class="mw-diff-inline-legend-ins">Content added</span> <span class="mw-diff-inline-legend-del">Content deleted</span></div> </div> <table class="diff diff-contentalign-left diff-editfont-monospace" border="0" style="border-spacing:4px; table-layout:fixed; width:98%"> <tbody><tr style="height:1px"> <td style="width:2%"> </td> <td style="width:48%"> </td> <td style="width:2%"> </td> <td style="width:48%"> </td></tr> <tr class="diff-title"> <td colspan="2" class="diff-otitle diff-side-deleted"><div class="mw-diff-otitle1"><strong><a href="/wiki/Special:MyLanguage/Help:Page_history" title="Special:MyLanguage/Help:Page history">Revision as of 22:32, 3 August 2003</a> (<a href="/wiki/Special:MyLanguage/Help:Editing" title="Special:MyLanguage/Help:Editing">edit</a>)</strong></div> <div class="mw-diff-otitle2"><a href="/wiki/User:Tim_Starling" title="User:Tim Starling">Tim Starling</a> (<a href="/wiki/User_talk:Tim_Starling" title="User talk:Tim Starling">talk</a> | <a href="/wiki/Special:MyLanguage/Help:User_contributions" title="Special:MyLanguage/Help:User contributions">contribs</a>)</div> <div class="mw-diff-otitle3"><span class="comment">(<a href="/wiki/Special:MyLanguage/Help:Edit_summary" title="Special:MyLanguage/Help:Edit summary">Edit summaries</a> in diffs are great)</span></div> <div class="mw-diff-otitle4"><a href="/wiki/Special:MyLanguage/Help:Page_history" title="Special:MyLanguage/Help:Page history">← Older edit</a></div> </td> <td colspan="2" class="diff-otitle diff-side-added"><div class="mw-diff-otitle1"><strong><a href="/wiki/Special:MyLanguage/Help:Page_history" title="Special:MyLanguage/Help:Page history">Revision as of 00:10, 18 August 2003</a> (<a href="/wiki/Special:MyLanguage/Help:Editing" title="Special:MyLanguage/Help:Editing">edit</a>) (<a href="/wiki/Special:MyLanguage/Manual:Reverts" title="Special:MyLanguage/Manual:Reverts">undo</a>) (<a href="/wiki/Special:MyLanguage/Extension:Thanks" title="Special:MyLanguage/Extension:Thanks">thank</a>)</strong></div> <div class="mw-diff-otitle2"><a href="/wiki/User:Angela" title="User:Angela">Angela</a> (<a href="/wiki/User_talk:Angela" title="User talk:Angela">talk</a>) <span class="mw-rollback-link"><a href="/wiki/Special:MyLanguage/Manual:Rollback" title="Special:MyLanguage/Manual:Rollback">rollback 1 edit</a></span></div> <div class="mw-diff-otitle3"><abbr class="minoredit" title="This is a minor edit">m</abbr> <span class="comment">(correction, + <a href="/w/index.php?title=MediaWiki_User%27s_Guide&action=edit&redlink=1" class="new" title="MediaWiki User's Guide (page does not exist)">MediaWiki User's Guide</a>)</span></div> <div class="mw-diff-otitle4"> </div> </td></tr></tbody></table> <div class="mw-diff-inline-moved mw-diff-inline-moved-destination mw-diff-inline-moved-upwards"> <p>For sysops and those with the rollback flag, a revert button is shown allowing them to revert from the new version to the old one. </p><p>This is only shown when viewing the diff between the <del class="mw-diff-inline-moved">current</del> version and the one <ins>of a page and the last version by an author other than the one of the most current version.</ins>. This example shows the top of the diff page, with the links described above. </p><p></table> </p><p><ins> [[MediaWiki User's Guide]] </ins> </p> <div><ins style="color: #72777d; font-family: 'Menlo','Consolas','Liberation Mono','Fira Code','Courier New',monospace; font-size: 87.5%;" title="Content added">↲ newline</ins></div> </div> </blockquote> <p>The following changes were introduced for inline diff: </p> <ul><li>Legends and tooltips that explain the blue and yellow highlights. (<a href="https://phabricator.wikimedia.org/T324759" class="extiw" title="phab:T324759">T324759</a>)</li> <li>Annotation that represent when one or more lines are added or deleted. (<a href="https://phabricator.wikimedia.org/T330247" class="extiw" title="phab:T330247">T330247</a>)</li></ul> <div class="mw-heading mw-heading2 ext-discussiontools-init-section"><h2 id="How_to_report_bugs?" data-mw-thread-id="h-How_to_report_bugs?"><span id="How_to_report_bugs.3F"></span><span data-mw-comment-start="" id="h-How_to_report_bugs?"></span>How to report bugs?<span data-mw-comment-end="h-How_to_report_bugs?"></span></h2></div> <p>Bugs should be <a href="/wiki/Special:MyLanguage/How_to_report_a_bug" title="Special:MyLanguage/How to report a bug">reported on Phabricator</a> under the <span style="background: #eaf3ff; border: 1px solid #36c; font-size: 85%; padding: 5px 8px; border-radius: 2px;"><a href="https://phabricator.wikimedia.org/tag/mediawiki-page-diffs/" class="extiw" title="phab:tag/mediawiki-page-diffs/"><b>#MediaWiki-Page-diffs</b></a></span> tag. </p> <div class="mw-heading mw-heading2 ext-discussiontools-init-section"><h2 id="User_Preferences" data-mw-thread-id="h-User_Preferences"><span data-mw-comment-start="" id="h-User_Preferences"></span>User Preferences<span data-mw-comment-end="h-User_Preferences"></span></h2></div> <p>The following user <a href="/wiki/Special:MyLanguage/Help:Preferences" title="Special:MyLanguage/Help:Preferences">preferences</a> are available in the "Diffs" section of the "Appearance" preferences tab: </p> <dl><dt>Don't show page content below diffs</dt> <dd>Toggle the display of the page text below the diff. This text is the later of the two revisions of the page.</dd> <dt>Don't show diff after performing a rollback</dt> <dd>Whether to show the diff of the rolled back revision after a rollback.</dd></dl> <p>Some extensions also add their own preferences related to diffs. One such extension is <a href="/wiki/Special:MyLanguage/Extension:RevisionSlider" title="Special:MyLanguage/Extension:RevisionSlider">Extension:RevisionSlider</a><span style="display:none"><a href="/wiki/Extension:RevisionSlider" title="Extension:RevisionSlider"> </a></span>, which can be disabled in preferences using the "Don't show the revision slider" preference in that section. </p><p><br/> </p> <div class="mw-heading mw-heading2 ext-discussiontools-init-section"><h2 id="See_also" data-mw-thread-id="h-See_also"><span data-mw-comment-start="" id="h-See_also"></span>See also<span data-mw-comment-end="h-See_also"></span></h2></div> <ul><li><a href="/wiki/Special:MyLanguage/Help:History" title="Special:MyLanguage/Help:History">Help:History</a><span style="display:none"><a href="/wiki/Help:History" title="Help:History"> </a></span> — Navigating and understanding page history.</li> <li><a href="/wiki/Special:MyLanguage/Visual_diffs" title="Special:MyLanguage/Visual diffs">Visual diffs</a><span style="display:none"><a href="/wiki/Visual_diffs" class="mw-disambig" title="Visual diffs"> </a></span> — Diffs in the VisualEditor and VisualDiff extensions.</li></ul> <div class="navbox-styles nomobile"><style data-mw-deduplicate="TemplateStyles:r6230902">.mw-parser-output .navbox{border:1px solid #aaa;box-sizing:border-box;width:100%;margin:auto;clear:both;font-size:88%;text-align:center;padding:1px}.mw-parser-output .navbox-inner,.mw-parser-output .navbox-subgroup{width:100%}.mw-parser-output .navbox+.navbox-styles+.navbox{margin-top:-1px}.mw-parser-output .navbox th,.mw-parser-output .navbox-title,.mw-parser-output .navbox-abovebelow{text-align:center;padding-left:1em;padding-right:1em}.mw-parser-output th.navbox-group{white-space:nowrap;text-align:right}.mw-parser-output .navbox,.mw-parser-output .navbox-subgroup{background:#fdfdfd}.mw-parser-output .navbox-list{border-color:#fdfdfd}.mw-parser-output .navbox th,.mw-parser-output .navbox-title{background:#eaeeff}.mw-parser-output .navbox-abovebelow,.mw-parser-output th.navbox-group,.mw-parser-output .navbox-subgroup .navbox-title{background:#ddddff}.mw-parser-output .navbox-subgroup .navbox-group,.mw-parser-output .navbox-subgroup .navbox-abovebelow{background:#e6e6ff}.mw-parser-output .navbox-even{background:#f7f7f7}.mw-parser-output .navbox-odd{background:transparent}.mw-parser-output th.navbox-title1{border-left:2px solid #fdfdfd;width:100%}.mw-parser-output td.navbox-list1{text-align:left;border-left-width:2px;border-left-style:solid}.mw-parser-output .navbox .hlist td dl,.mw-parser-output .navbox .hlist td ol,.mw-parser-output .navbox .hlist td ul,.mw-parser-output .navbox td.hlist dl,.mw-parser-output .navbox td.hlist ol,.mw-parser-output .navbox td.hlist ul{padding:0.125em 0}.mw-parser-output .navbox .hlist dd,.mw-parser-output .navbox .hlist dt,.mw-parser-output .navbox .hlist li{white-space:nowrap}.mw-parser-output .navbox .hlist dd dl,.mw-parser-output .navbox .hlist dt dl,.mw-parser-output .navbox .hlist li ol,.mw-parser-output .navbox .hlist li ul{white-space:normal}.mw-parser-output ol+.navbox-styles+.navbox,.mw-parser-output ul+.navbox-styles+.navbox{margin-top:0.5em}</style></div><div role="navigation" class="navbox" aria-labelledby="Help" style="padding:3px"><table class="nowraplinks hlist mw-collapsible autocollapse navbox-inner" style="border-spacing:0;background:transparent;color:inherit"><tbody><tr><th scope="col" class="navbox-title" colspan="3"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r6387430"><style data-mw-deduplicate="TemplateStyles:r4692751">.mw-parser-output .navbar{display:inline;font-size:88%;font-weight:normal}.mw-parser-output .navbar ul{display:inline;white-space:nowrap}.mw-parser-output .navbar li{word-spacing:-0.125em}.mw-parser-output .navbox .navbar{display:block;font-size:100%}.mw-parser-output .navbox-title .navbar{float:left;text-align:left;margin-right:0.5em;width:6em}</style><div class="plainlinks hlist navbar mini"><ul><li class="nv-view"><a href="/wiki/Template:Help" title="Template:Help"><abbr title="View this template" style=";;background:none transparent;border:none;box-shadow:none; padding:0;">v</abbr></a></li><li class="nv-talk"><a href="/wiki/Template_talk:Help" title="Template talk:Help"><abbr title="Discuss this template" style=";;background:none transparent;border:none;box-shadow:none; padding:0;">t</abbr></a></li><li class="nv-edit"><a class="external text" href="https://www.mediawiki.org/w/index.php?title=Template:Help&action=edit"><abbr title="Edit this template" style=";;background:none transparent;border:none;box-shadow:none; padding:0;">e</abbr></a></li></ul></div><div id="Help" style="font-size:114%;margin:0 4em"><a href="/wiki/Special:MyLanguage/Help:Contents" title="Special:MyLanguage/Help:Contents">Help</a><span style="display:none"><a href="/wiki/Help:Contents" title="Help:Contents"> </a></span></div></th></tr><tr><th scope="row" class="navbox-group" style="width:1%">Reading</th><td class="navbox-list1 navbox-list navbox-odd" style="width:100%;padding:0px"><div style="padding:0em 0.25em"> <ul><li><a href="/wiki/Special:MyLanguage/Help:Navigation" title="Special:MyLanguage/Help:Navigation">Navigation</a><span style="display:none"><a href="/wiki/Help:Navigation" title="Help:Navigation"> </a></span></li> <li><a href="/wiki/Special:MyLanguage/Help:Searching" title="Special:MyLanguage/Help:Searching">Searching</a><span style="display:none"><a href="/wiki/Help:Searching" title="Help:Searching"> </a></span></li> <li><a href="/wiki/Special:MyLanguage/Help:Tracking_changes" title="Special:MyLanguage/Help:Tracking changes">Tracking</a><span style="display:none"><a href="/wiki/Help:Tracking_changes" title="Help:Tracking changes"> </a></span></li> <li><a href="/wiki/Special:MyLanguage/Help:Watchlist" title="Special:MyLanguage/Help:Watchlist">Watchlist</a><span style="display:none"><a href="/wiki/Help:Watchlist" title="Help:Watchlist"> </a></span></li></ul> </div></td><td class="navbox-image" rowspan="5" style="width:1px;padding:0px 0px 0px 2px"><div><span typeof="mw:File"><span><img alt="" src="//upload.wikimedia.org/wikipedia/commons/thumb/5/5f/OOjs_UI_icon_info-progressive.svg/30px-OOjs_UI_icon_info-progressive.svg.png" decoding="async" width="30" height="30" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/5/5f/OOjs_UI_icon_info-progressive.svg/45px-OOjs_UI_icon_info-progressive.svg.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/5/5f/OOjs_UI_icon_info-progressive.svg/60px-OOjs_UI_icon_info-progressive.svg.png 2x" data-file-width="20" data-file-height="20"/></span></span></div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%">Editing</th><td class="navbox-list1 navbox-list navbox-even" style="width:100%;padding:0px"><div style="padding:0em 0.25em"> <ul><li><a href="/wiki/Special:MyLanguage/Help:Editing_pages" title="Special:MyLanguage/Help:Editing pages">Basic</a><span style="display:none"><a href="/wiki/Help:Editing_pages" title="Help:Editing pages"> </a></span></li> <li><a href="/wiki/Special:MyLanguage/Help:Starting_a_new_page" title="Special:MyLanguage/Help:Starting a new page">New page</a><span style="display:none"><a href="/wiki/Help:Starting_a_new_page" title="Help:Starting a new page"> </a></span></li> <li><a href="/wiki/Special:MyLanguage/Help:Formatting" title="Special:MyLanguage/Help:Formatting">Formatting</a><span style="display:none"><a href="/wiki/Help:Formatting" title="Help:Formatting"> </a></span></li> <li><a href="/wiki/Special:MyLanguage/Help:Links" title="Special:MyLanguage/Help:Links">Links</a><span style="display:none"><a href="/wiki/Help:Links" title="Help:Links"> </a></span></li> <li><a href="/wiki/Special:MyLanguage/Help:User_page" title="Special:MyLanguage/Help:User page">User pages</a><span style="display:none"><a href="/wiki/Help:User_page" title="Help:User page"> </a></span></li> <li><a href="/wiki/Special:MyLanguage/Help:Talk_pages" title="Special:MyLanguage/Help:Talk pages">Talks</a><span style="display:none"><a href="/wiki/Help:Talk_pages" title="Help:Talk pages"> </a></span></li> <li><a href="/wiki/Special:MyLanguage/Help:Signatures" title="Special:MyLanguage/Help:Signatures">Signatures</a><span style="display:none"><a href="/wiki/Help:Signatures" title="Help:Signatures"> </a></span></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%">Advanced</th><td class="navbox-list1 navbox-list navbox-odd" style="width:100%;padding:0px"><div style="padding:0em 0.25em"> <ul><li><a href="/wiki/Special:MyLanguage/Help:Images" title="Special:MyLanguage/Help:Images">Images</a><span style="display:none"><a href="/wiki/Help:Images" title="Help:Images"> </a></span></li> <li><a href="/wiki/Special:MyLanguage/Help:Tables" 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