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Help:Reference Previews - MediaWiki
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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-Background" class="vector-toc-list-item vector-toc-level-1 vector-toc-list-item-expanded"> <a class="vector-toc-link" href="#Background"> <div class="vector-toc-text"> <span class="vector-toc-numb">1</span> <span>Background</span> </div> </a> <button aria-controls="toc-Background-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 Background subsection</span> </button> <ul id="toc-Background-sublist" class="vector-toc-list"> <li id="toc-Overview" class="vector-toc-list-item vector-toc-level-2"> <a class="vector-toc-link" href="#Overview"> <div class="vector-toc-text"> <span class="vector-toc-numb">1.1</span> <span>Overview</span> </div> </a> <ul id="toc-Overview-sublist" class="vector-toc-list"> </ul> </li> <li id="toc-Opt-out_feature" class="vector-toc-list-item vector-toc-level-2"> <a class="vector-toc-link" href="#Opt-out_feature"> <div class="vector-toc-text"> <span class="vector-toc-numb">1.2</span> <span>Opt-out feature</span> </div> </a> <ul id="toc-Opt-out_feature-sublist" class="vector-toc-list"> </ul> </li> <li id="toc-Exposed_reference_types" class="vector-toc-list-item vector-toc-level-2"> <a class="vector-toc-link" href="#Exposed_reference_types"> <div class="vector-toc-text"> <span class="vector-toc-numb">1.3</span> <span>Exposed reference types</span> </div> </a> <ul id="toc-Exposed_reference_types-sublist" class="vector-toc-list"> </ul> </li> <li id="toc-How_to_assign_a_reference_type_to_your_reference" class="vector-toc-list-item vector-toc-level-2"> <a class="vector-toc-link" href="#How_to_assign_a_reference_type_to_your_reference"> <div class="vector-toc-text"> <span class="vector-toc-numb">1.4</span> <span>How to assign a reference type to your reference</span> </div> </a> <ul id="toc-How_to_assign_a_reference_type_to_your_reference-sublist" class="vector-toc-list"> </ul> </li> </ul> </li> <li id="toc-Deployment_roadmap" class="vector-toc-list-item vector-toc-level-1 vector-toc-list-item-expanded"> <a class="vector-toc-link" href="#Deployment_roadmap"> <div class="vector-toc-text"> <span class="vector-toc-numb">2</span> <span>Deployment roadmap</span> </div> </a> <ul id="toc-Deployment_roadmap-sublist" class="vector-toc-list"> </ul> </li> <li id="toc-Links" class="vector-toc-list-item vector-toc-level-1 vector-toc-list-item-expanded"> <a class="vector-toc-link" href="#Links"> <div class="vector-toc-text"> <span class="vector-toc-numb">3</span> <span>Links</span> </div> </a> <ul id="toc-Links-sublist" class="vector-toc-list"> </ul> </li> <li id="toc-Help_with_translation" class="vector-toc-list-item vector-toc-level-1 vector-toc-list-item-expanded"> <a class="vector-toc-link" href="#Help_with_translation"> <div class="vector-toc-text"> <span class="vector-toc-numb">4</span> <span>Help with translation</span> </div> </a> <ul id="toc-Help_with_translation-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">Reference Previews</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:Reference_Previews" title="View the help page [c]" accesskey="c"><span>Help</span></a></li><li id="ca-talk" class="vector-tab-noicon mw-list-item"><a href="/wiki/Help_talk:Reference_Previews" rel="discussion" title="Discussion about the content page [t]" accesskey="t"><span>Discussion</span></a></li> </ul> </div> </div> <div id="vector-variants-dropdown" class="vector-dropdown emptyPortlet" > <input type="checkbox" id="vector-variants-dropdown-checkbox" role="button" aria-haspopup="true" data-event-name="ui.dropdown-vector-variants-dropdown" class="vector-dropdown-checkbox " aria-label="Change language variant" > <label id="vector-variants-dropdown-label" for="vector-variants-dropdown-checkbox" class="vector-dropdown-label cdx-button cdx-button--fake-button cdx-button--fake-button--enabled cdx-button--weight-quiet" aria-hidden="true" ><span class="vector-dropdown-label-text">English</span> </label> <div class="vector-dropdown-content"> <div id="p-variants" class="vector-menu mw-portlet mw-portlet-variants emptyPortlet" > <div class="vector-menu-content"> <ul class="vector-menu-content-list"> </ul> </div> </div> </div> </div> </nav> </div> <div id="right-navigation" class="vector-collapsible"> <nav aria-label="Views"> <div id="p-views" class="vector-menu vector-menu-tabs mw-portlet mw-portlet-views" > <div class="vector-menu-content"> <ul class="vector-menu-content-list"> <li id="ca-view" class="selected vector-tab-noicon mw-list-item"><a href="/wiki/Help:Reference_Previews"><span>Read</span></a></li><li id="ca-edit" class="vector-tab-noicon mw-list-item"><a href="/w/index.php?title=Help:Reference_Previews&action=edit" title="Edit the source code of this page [e]" accesskey="e"><span>Edit</span></a></li><li id="ca-history" class="vector-tab-noicon mw-list-item"><a href="/w/index.php?title=Help:Reference_Previews&action=history" title="Past revisions of this page [h]" accesskey="h"><span>View history</span></a></li> </ul> </div> </div> </nav> <nav class="vector-page-tools-landmark" aria-label="Page tools"> <div id="vector-page-tools-dropdown" class="vector-dropdown vector-page-tools-dropdown" > <input type="checkbox" id="vector-page-tools-dropdown-checkbox" role="button" aria-haspopup="true" data-event-name="ui.dropdown-vector-page-tools-dropdown" class="vector-dropdown-checkbox " aria-label="Tools" > <label id="vector-page-tools-dropdown-label" for="vector-page-tools-dropdown-checkbox" class="vector-dropdown-label cdx-button cdx-button--fake-button cdx-button--fake-button--enabled cdx-button--weight-quiet" aria-hidden="true" ><span class="vector-dropdown-label-text">Tools</span> </label> <div class="vector-dropdown-content"> <div id="vector-page-tools-unpinned-container" class="vector-unpinned-container"> <div id="vector-page-tools" class="vector-page-tools vector-pinnable-element"> <div class="vector-pinnable-header vector-page-tools-pinnable-header vector-pinnable-header-unpinned" data-feature-name="page-tools-pinned" data-pinnable-element-id="vector-page-tools" data-pinned-container-id="vector-page-tools-pinned-container" data-unpinned-container-id="vector-page-tools-unpinned-container" > <div class="vector-pinnable-header-label">Tools</div> <button class="vector-pinnable-header-toggle-button vector-pinnable-header-pin-button" data-event-name="pinnable-header.vector-page-tools.pin">move to sidebar</button> <button class="vector-pinnable-header-toggle-button vector-pinnable-header-unpin-button" data-event-name="pinnable-header.vector-page-tools.unpin">hide</button> </div> <div id="p-cactions" class="vector-menu mw-portlet mw-portlet-cactions emptyPortlet vector-has-collapsible-items" title="More options" > <div class="vector-menu-heading"> Actions </div> <div class="vector-menu-content"> <ul class="vector-menu-content-list"> <li id="ca-more-view" class="selected vector-more-collapsible-item mw-list-item"><a href="/wiki/Help:Reference_Previews"><span>Read</span></a></li><li id="ca-more-edit" class="vector-more-collapsible-item mw-list-item"><a href="/w/index.php?title=Help:Reference_Previews&action=edit" title="Edit the source code of this page [e]" accesskey="e"><span>Edit</span></a></li><li id="ca-more-history" class="vector-more-collapsible-item mw-list-item"><a href="/w/index.php?title=Help:Reference_Previews&action=history"><span>View history</span></a></li> </ul> </div> </div> <div id="p-tb" class="vector-menu mw-portlet mw-portlet-tb" > <div class="vector-menu-heading"> General </div> <div class="vector-menu-content"> <ul class="vector-menu-content-list"> <li id="t-whatlinkshere" class="mw-list-item"><a href="/wiki/Special:WhatLinksHere/Help:Reference_Previews" title="A list of all wiki pages that link here [j]" accesskey="j"><span>What links here</span></a></li><li id="t-recentchangeslinked" class="mw-list-item"><a href="/wiki/Special:RecentChangesLinked/Help:Reference_Previews" rel="nofollow" title="Recent changes in pages linked from this page [k]" accesskey="k"><span>Related changes</span></a></li><li id="t-upload" class="mw-list-item"><a href="//commons.wikimedia.org/wiki/Special:UploadWizard" title="Upload files [u]" accesskey="u"><span>Upload file</span></a></li><li id="t-specialpages" class="mw-list-item"><a href="/wiki/Special:SpecialPages" title="A list of all special pages [q]" accesskey="q"><span>Special pages</span></a></li><li id="t-permalink" class="mw-list-item"><a href="/w/index.php?title=Help:Reference_Previews&oldid=6688274" title="Permanent link to this revision of this page"><span>Permanent link</span></a></li><li id="t-info" class="mw-list-item"><a href="/w/index.php?title=Help:Reference_Previews&action=info" title="More information about this page"><span>Page information</span></a></li><li id="t-urlshortener" class="mw-list-item"><a href="/w/index.php?title=Special:UrlShortener&url=https%3A%2F%2Fwww.mediawiki.org%2Fwiki%2FHelp%3AReference_Previews"><span>Get shortened URL</span></a></li><li id="t-urlshortener-qrcode" class="mw-list-item"><a href="/w/index.php?title=Special:QrCode&url=https%3A%2F%2Fwww.mediawiki.org%2Fwiki%2FHelp%3AReference_Previews"><span>Download QR code</span></a></li> </ul> </div> </div> <div id="p-coll-print_export" class="vector-menu mw-portlet mw-portlet-coll-print_export" > <div class="vector-menu-heading"> Print/export </div> <div class="vector-menu-content"> <ul class="vector-menu-content-list"> <li id="coll-create_a_book" class="mw-list-item"><a href="/w/index.php?title=Special:Book&bookcmd=book_creator&referer=Help%3AReference+Previews"><span>Create a book</span></a></li><li id="coll-download-as-rl" class="mw-list-item"><a href="/w/index.php?title=Special:DownloadAsPdf&page=Help%3AReference_Previews&action=show-download-screen"><span>Download as PDF</span></a></li><li id="t-print" class="mw-list-item"><a href="/w/index.php?title=Help:Reference_Previews&printable=yes" title="Printable version of this page [p]" accesskey="p"><span>Printable version</span></a></li> </ul> </div> </div> <div id="p-wikibase-otherprojects" class="vector-menu mw-portlet mw-portlet-wikibase-otherprojects emptyPortlet" > <div class="vector-menu-heading"> In other projects </div> <div class="vector-menu-content"> <ul class="vector-menu-content-list"> </ul> </div> </div> </div> </div> </div> </div> </nav> </div> </div> </div> <div class="vector-column-end"> <div class="vector-sticky-pinned-container"> <nav class="vector-page-tools-landmark" aria-label="Page tools"> <div id="vector-page-tools-pinned-container" class="vector-pinned-container"> </div> </nav> <nav class="vector-appearance-landmark" aria-label="Appearance"> <div id="vector-appearance-pinned-container" class="vector-pinned-container"> <div id="vector-appearance" class="vector-appearance vector-pinnable-element"> <div class="vector-pinnable-header vector-appearance-pinnable-header vector-pinnable-header-pinned" data-feature-name="appearance-pinned" data-pinnable-element-id="vector-appearance" data-pinned-container-id="vector-appearance-pinned-container" data-unpinned-container-id="vector-appearance-unpinned-container" > <div class="vector-pinnable-header-label">Appearance</div> <button class="vector-pinnable-header-toggle-button vector-pinnable-header-pin-button" data-event-name="pinnable-header.vector-appearance.pin">move to sidebar</button> <button class="vector-pinnable-header-toggle-button vector-pinnable-header-unpin-button" data-event-name="pinnable-header.vector-appearance.unpin">hide</button> </div> </div> </div> </nav> </div> </div> <div id="bodyContent" class="vector-body" aria-labelledby="firstHeading" data-mw-ve-target-container> <div class="vector-body-before-content"> <div id="siteSub" class="noprint">From mediawiki.org</div> </div> <div id="contentSub"><div id="mw-content-subtitle"></div></div> <div id="mw-content-text" class="mw-body-content"><div class="mw-pt-translate-header noprint nomobile" dir="ltr" lang="en"><a href="/w/index.php?title=Special:Translate&group=page-Help%3AReference+Previews&action=page&filter=&action_source=translate_page" title="Special:Translate">Translate this page</a></div><div class="mw-content-ltr mw-parser-output" lang="en" dir="ltr"><div class="mw-pt-languages noprint navigation-not-searchable" lang="en" dir="ltr"><div class="mw-pt-languages-label">Languages:</div><ul class="mw-pt-languages-list"><li><a href="/wiki/Help:Reference_Previews/id" class="mw-pt-progress mw-pt-progress--high" title="Bantuan:Pratayang Referensi (94% translated)" lang="id" dir="ltr">Bahasa Indonesia</a></li> <li><a href="/wiki/Help:Reference_Previews/cy" class="mw-pt-progress mw-pt-progress--low" title="Cymorth:Rhagweld Ffynonellau (10% translated)" lang="cy" dir="ltr">Cymraeg</a></li> <li><a href="/wiki/Help:Reference_Previews/de" class="mw-pt-progress mw-pt-progress--low" title="Help:Reference Previews/de (10% translated)" lang="de" dir="ltr">Deutsch</a></li> <li><span class="mw-pt-languages-ui mw-pt-languages-selected mw-pt-progress mw-pt-progress--complete" lang="en" dir="ltr">English</span></li> <li><a href="/wiki/Help:Reference_Previews/vi" class="mw-pt-progress mw-pt-progress--high" title="Trợ giúp:Xem trước chú thích (88% translated)" lang="vi" dir="ltr">Tiếng Việt</a></li> <li><a href="/wiki/Help:Reference_Previews/tr" class="mw-pt-progress mw-pt-progress--low" title="Yardım:Referans Önizlemeleri (2% translated)" lang="tr" dir="ltr">Türkçe</a></li> <li><a href="/wiki/Help:Reference_Previews/yo" class="mw-pt-progress mw-pt-progress--low" title="Help:Reference Previews/yo (2% translated)" lang="yo" dir="ltr">Yorùbá</a></li> <li><a href="/wiki/Help:Reference_Previews/es" class="mw-pt-progress mw-pt-progress--med" title="Ayuda:Previsualizaciones de referencias (17% translated)" lang="es" dir="ltr">español</a></li> <li><a href="/wiki/Help:Reference_Previews/fr" class="mw-pt-progress mw-pt-progress--complete" title="Aide:Prévisualisation de référence (100% translated)" lang="fr" dir="ltr">français</a></li> <li><a href="/wiki/Help:Reference_Previews/nb" class="mw-pt-progress mw-pt-progress--med" title="Help:Referanseforhåndsvisning (15% translated)" lang="nb" dir="ltr">norsk bokmål</a></li> <li><a href="/wiki/Help:Reference_Previews/nn" class="mw-pt-progress mw-pt-progress--med" title="Help:Referanseførehandvising (15% translated)" lang="nn" dir="ltr">norsk nynorsk</a></li> <li><a href="/wiki/Help:Reference_Previews/pt-br" class="mw-pt-progress mw-pt-progress--high" title="Ajuda:Pré-visualizações de referência (73% translated)" lang="pt-BR" dir="ltr">português do Brasil</a></li> <li><a href="/wiki/Help:Reference_Previews/sv" class="mw-pt-progress mw-pt-progress--complete" title="Hjälp:Förhandsvisningar av referenser (100% translated)" lang="sv" dir="ltr">svenska</a></li> <li><a href="/wiki/Help:Reference_Previews/be" class="mw-pt-progress mw-pt-progress--high" title="Даведка: Папярэдні прагляд спасылак (88% translated)" lang="be" dir="ltr">беларуская</a></li> <li><a href="/wiki/Help:Reference_Previews/ru" class="mw-pt-progress mw-pt-progress--med" title="Помощь:Предпросмотры сносок (15% translated)" lang="ru" dir="ltr">русский</a></li> <li><a href="/wiki/Help:Reference_Previews/ar" class="mw-pt-progress mw-pt-progress--med" title="مساعدة:بيان المراجع (25% translated)" lang="ar" dir="rtl">العربية</a></li> <li><a href="/wiki/Help:Reference_Previews/fa" class="mw-pt-progress mw-pt-progress--med" title="Help:پیشنمایشهای ارجاع (40% translated)" lang="fa" dir="rtl">فارسی</a></li> <li><a href="/wiki/Help:Reference_Previews/zh" class="mw-pt-progress mw-pt-progress--med" title="帮助:参考文献预览 (46% translated)" lang="zh" dir="ltr">中文</a></li> <li><a href="/wiki/Help:Reference_Previews/ja" class="mw-pt-progress mw-pt-progress--complete" title="Help:参考資料プレビュー (100% translated)" lang="ja" dir="ltr">日本語</a></li> <li><a href="/wiki/Help:Reference_Previews/ko" class="mw-pt-progress mw-pt-progress--med" title="도움말:각주 미리 보기 (40% translated)" lang="ko" dir="ltr">한국어</a></li></ul></div> <style data-mw-deduplicate="TemplateStyles:r6776268">.mw-parser-output .template-pd-help-page{color:var(--color-emphasized,#101418);border:solid 1px var(--border-color-base,#a2a9b1);padding:0.5em;margin:0.5em 0;background-color:var(--background-color-base,#ffffff);font-size:95%;vertical-align:middle;width:100%;box-sizing:border-box}.mw-parser-output .template-pd-help-page .icon-cell{padding:0 1em;width:30px}</style><table class="template-pd-help-page"><tbody><tr> <td class="icon-cell"><span typeof="mw:File"><span><img alt="PD" src="//upload.wikimedia.org/wikipedia/commons/thumb/6/62/PD-icon.svg/30px-PD-icon.svg.png" decoding="async" width="30" height="30" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/6/62/PD-icon.svg/45px-PD-icon.svg.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/6/62/PD-icon.svg/60px-PD-icon.svg.png 2x" data-file-width="196" data-file-height="196"/></span></span></td> <td><b>Note:</b> When you edit this page, you agree to release your contribution under the <a rel="nofollow" class="external text" href="https://creativecommons.org/publicdomain/zero/1.0/">CC0</a>. See <a href="/wiki/Special:MyLanguage/Project:PD_help" title="Special:MyLanguage/Project:PD help">Public Domain Help Pages</a> for more info. </td> <td class="icon-cell"><span typeof="mw:File"><span><img alt="PD" src="//upload.wikimedia.org/wikipedia/commons/thumb/6/62/PD-icon.svg/30px-PD-icon.svg.png" decoding="async" width="30" height="30" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/6/62/PD-icon.svg/45px-PD-icon.svg.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/6/62/PD-icon.svg/60px-PD-icon.svg.png 2x" data-file-width="196" data-file-height="196"/></span></span></td> </tr></tbody></table> <figure class="mw-halign-right" typeof="mw:File"><a href="/wiki/File:Example_of_a_Reference_Preview.png" class="mw-file-description"><img src="//upload.wikimedia.org/wikipedia/commons/thumb/9/9c/Example_of_a_Reference_Preview.png/300px-Example_of_a_Reference_Preview.png" decoding="async" width="300" height="160" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/9/9c/Example_of_a_Reference_Preview.png/450px-Example_of_a_Reference_Preview.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/9/9c/Example_of_a_Reference_Preview.png/600px-Example_of_a_Reference_Preview.png 2x" data-file-width="770" data-file-height="410"/></a><figcaption></figcaption></figure> <p>The <b>Reference Previews</b> feature shows a preview of a footnote when you hover over its footnote marker. This feature is part of the MediaWiki extension <a href="/wiki/Special:MyLanguage/Extension:Popups" title="Special:MyLanguage/Extension:Popups">Popups</a><span style="display:none"><a href="/wiki/Extension:Popups" title="Extension:Popups"> </a></span>, which is used for <a href="/wiki/Special:MyLanguage/Page_Previews" title="Special:MyLanguage/Page Previews">Page Previews</a><span style="display:none"><a href="/wiki/Page_Previews" title="Page Previews"> </a></span>. </p> <meta property="mw:PageProp/toc"/> <div class="mw-heading mw-heading2 ext-discussiontools-init-section"><h2 id="Background" data-mw-thread-id="h-Background"><span data-mw-comment-start="" id="h-Background"></span>Background<span data-mw-comment-end="h-Background"></span></h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Help:Reference_Previews&action=edit&section=1" title="Edit section: Background"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span><!--__DTELLIPSISBUTTON__{"threadItem":{"headingLevel":2,"name":"h-","type":"heading","level":0,"id":"h-Background","replies":["h-Overview-Background","h-Opt-out_feature-Background","h-Exposed_reference_types-Background","h-How_to_assign_a_reference_type_to_your_reference-Background"]}}--></div> <p>The Reference Previews feature aims to fulfill a wish from the German-speaking community's Technical Wishlist and is developed by WMDE's Tech team, with support from the WMF’s Web team. The design for this feature has been developed by the WMF. More information can be found on the <a href="https://meta.wikimedia.org/wiki/WMDE_Technical_Wishes/ReferencePreviews" class="extiw" title="m:WMDE Technical Wishes/ReferencePreviews">main project page on Meta</a>. </p> <div class="mw-heading mw-heading3"><h3 id="Overview" data-mw-thread-id="h-Overview-Background"><span data-mw-comment-start="" id="h-Overview-Background"></span>Overview<span data-mw-comment-end="h-Overview-Background"></span></h3><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Help:Reference_Previews&action=edit&section=2" title="Edit section: Overview"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <p>Reference Previews display a preview of the footnote as it appears at the bottom of the page. Within the preview, any and all footnote content (text, images, tables, …) can be displayed. At the top of the pop-up, the reference type is displayed. Reference Previews were designed to create an experience <b>consistent with</b> <a href="/wiki/Page_Previews" title="Page Previews"><b>Page Previews</b></a>, so that all pop-ups have the same design, regardless of whether you are hovering over a page link or a footnote marker. </p> <figure typeof="mw:File/Thumb"><a href="/wiki/File:Page_Previews_and_Reference_Previews.png" class="mw-file-description"><img src="//upload.wikimedia.org/wikipedia/commons/thumb/d/d3/Page_Previews_and_Reference_Previews.png/400px-Page_Previews_and_Reference_Previews.png" decoding="async" width="400" height="251" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/d/d3/Page_Previews_and_Reference_Previews.png/600px-Page_Previews_and_Reference_Previews.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/d/d3/Page_Previews_and_Reference_Previews.png/800px-Page_Previews_and_Reference_Previews.png 2x" data-file-width="1248" data-file-height="784"/></a><figcaption>Reference Previews and Page Previews next to each other.</figcaption></figure> <p><b>Interactions</b> </p> <ul><li>Hover over a footnote marker to open the pop-up.</li> <li>Click on a footnote marker to jump to the References section (as you would do if there weren't any pop-ups).</li> <li>For shorter references, the pop-up window adjusts to a smaller size.</li> <li>If the reference size exceeds the maximum pop-up, you can scroll within the preview window.</li> <li>External links inside a reference open in a new tab.</li></ul> <p>The preview functionality relies on JavaScript. If you don't have JavaScript activated, there is no hover effect, and footnote markers remain simple jump marks. </p> <div class="mw-heading mw-heading3"><h3 id="Opt-out_feature" data-mw-thread-id="h-Opt-out_feature-Background"><span data-mw-comment-start="" id="h-Opt-out_feature-Background"></span>Opt-out feature<span data-mw-comment-end="h-Opt-out_feature-Background"></span></h3><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Help:Reference_Previews&action=edit&section=3" title="Edit section: Opt-out feature"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <p>Reference Previews will be <b>activated by default for everyone</b> (logged-in users, logged-out/anonymous users, readers of a wiki). </p> <ul><li>You can toggle them off under the Appearance tab in your preferences.</li> <li>You can also open this preference tab directly by clicking on the cog wheel in the pop-up.</li> <li><b>Anonymous users/logged-out users/readers</b> can turn the previews off by clicking the cog wheel and toggling the setting. This saves the preference via a cookie. They can be turned back on using the “Edit preview settings” link in the website footer.</li></ul> <p>Please note: If you use the Reference Tooltips or Navigation Popups <b>gadget</b> – either because it’s a default gadget on your wiki or because you enabled it individually – you won’t see Reference Previews. If you disable the gadget, you can see Reference Previews. </p> <div class="mw-heading mw-heading3"><h3 id="Exposed_reference_types" data-mw-thread-id="h-Exposed_reference_types-Background"><span data-mw-comment-start="" id="h-Exposed_reference_types-Background"></span>Exposed reference types<span data-mw-comment-end="h-Exposed_reference_types-Background"></span></h3><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Help:Reference_Previews&action=edit&section=4" title="Edit section: Exposed reference types"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <p>At the top of each pop-up, Reference Previews prominently indicate what kind of source is being referenced. We currently define six reference types: </p> <ul><li>Reference (generic)</li> <li>Web reference</li> <li>Journal reference</li> <li>Book reference</li> <li>News reference</li> <li>Note</li></ul> <div class="mw-heading mw-heading3"><h3 id="How_to_assign_a_reference_type_to_your_reference" data-mw-thread-id="h-How_to_assign_a_reference_type_to_your_reference-Background"><span data-mw-comment-start="" id="h-How_to_assign_a_reference_type_to_your_reference-Background"></span>How to assign a reference type to your reference<span data-mw-comment-end="h-How_to_assign_a_reference_type_to_your_reference-Background"></span></h3><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Help:Reference_Previews&action=edit&section=5" title="Edit section: How to assign a reference type to your reference"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <p>Each reference is defined by CSS classes, e.g., <code class="mw-highlight mw-highlight-lang-html mw-content-ltr" dir="ltr"><span class="p"><</span><span class="nt">cite</span> <span class="na">class</span><span class="o">=</span><span class="s">"journal"</span><span class="p">></span></code> for journal references. These classes are set in the <code class="mw-highlight" style="white-space:nowrap"><span class="p"><</span><span class="nt">cite</span><span class="p">></span></code> element in a reference's content. References without cite tags and classes (e.g., plain <code class="mw-highlight" style="white-space:nowrap"><span class="p"><</span><span class="nt">ref</span><span class="p">></span></code> tags) are displayed as "Reference". </p><p>To assign a reference type: </p> <ul><li>The <b>easiest way</b> is to use a citation template that includes the <code>cite</code> class. The English <code>cite</code> templates, for <a href="https://en.wikipedia.org/wiki/Template:Cite_web" class="extiw" title="en:Template:Cite web">example this one</a>, specify the <code>cite</code> class already, and derivations of these templates are used in many wikis. Other templates can also be updated to do so.</li> <li>If you're not using templates to add references, another option is to add a <code class="mw-highlight" style="white-space:nowrap"><span class="p"><</span><span class="nt">cite</span><span class="p">></span></code> class directly into a <code class="mw-highlight" style="white-space:nowrap"><span class="p"><</span><span class="nt">cite</span><span class="p">></span></code> tag, like so: <code><ref><cite class="book">reference content</cite></ref></code>.</li></ul> <div class="mw-heading mw-heading2 ext-discussiontools-init-section"><h2 id="Deployment_roadmap" data-mw-thread-id="h-Deployment_roadmap"><span data-mw-comment-start="" id="h-Deployment_roadmap"></span>Deployment roadmap<span data-mw-comment-end="h-Deployment_roadmap"></span></h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Help:Reference_Previews&action=edit&section=6" title="Edit section: Deployment roadmap"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span><!--__DTELLIPSISBUTTON__{"threadItem":{"headingLevel":2,"name":"h-","type":"heading","level":0,"id":"h-Deployment_roadmap","replies":[]}}--></div> <ul><li><span typeof="mw:File"><span><img alt="Yes" src="//upload.wikimedia.org/wikipedia/commons/thumb/f/f6/OOjs_UI_icon_check-constructive.svg/20px-OOjs_UI_icon_check-constructive.svg.png" decoding="async" width="20" height="20" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/f/f6/OOjs_UI_icon_check-constructive.svg/30px-OOjs_UI_icon_check-constructive.svg.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/f/f6/OOjs_UI_icon_check-constructive.svg/40px-OOjs_UI_icon_check-constructive.svg.png 2x" data-file-width="20" data-file-height="20"/></span></span> test.wikipedia.org (<code>testwiki</code>): <time datetime="2019-2-28">28 February 2019</time></li> <li><b>beta feature on:</b> <ul><li><span typeof="mw:File"><span><img alt="Yes" src="//upload.wikimedia.org/wikipedia/commons/thumb/f/f6/OOjs_UI_icon_check-constructive.svg/20px-OOjs_UI_icon_check-constructive.svg.png" decoding="async" width="20" height="20" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/f/f6/OOjs_UI_icon_check-constructive.svg/30px-OOjs_UI_icon_check-constructive.svg.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/f/f6/OOjs_UI_icon_check-constructive.svg/40px-OOjs_UI_icon_check-constructive.svg.png 2x" data-file-width="20" data-file-height="20"/></span></span> German Wikipedia: <time datetime="2019-4-4">4 April 2019</time></li> <li><span typeof="mw:File"><span><img alt="Yes" src="//upload.wikimedia.org/wikipedia/commons/thumb/f/f6/OOjs_UI_icon_check-constructive.svg/20px-OOjs_UI_icon_check-constructive.svg.png" decoding="async" width="20" height="20" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/f/f6/OOjs_UI_icon_check-constructive.svg/30px-OOjs_UI_icon_check-constructive.svg.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/f/f6/OOjs_UI_icon_check-constructive.svg/40px-OOjs_UI_icon_check-constructive.svg.png 2x" data-file-width="20" data-file-height="20"/></span></span> Arabic Wikipedia: <time datetime="2019-4-4">4 April 2019</time></li> <li>all wikis that use the <a href="/wiki/Extension:Popups" title="Extension:Popups">Popups</a> extension (all Wikipedias & en, he and zh Wikivoyages): <time datetime="2019-10-24">24 October 2019</time></li></ul></li> <li><b>default feature:</b> <ul><li><span typeof="mw:File"><span><img alt="Yes" src="//upload.wikimedia.org/wikipedia/commons/thumb/f/f6/OOjs_UI_icon_check-constructive.svg/20px-OOjs_UI_icon_check-constructive.svg.png" decoding="async" width="20" height="20" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/f/f6/OOjs_UI_icon_check-constructive.svg/30px-OOjs_UI_icon_check-constructive.svg.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/f/f6/OOjs_UI_icon_check-constructive.svg/40px-OOjs_UI_icon_check-constructive.svg.png 2x" data-file-width="20" data-file-height="20"/></span></span> German Wikipedia, Romanian Wikipedia, Estonian Wikipedia, Basque Wikipedia, Arabic Wikipedia, Hebrew Wikipedia, Gujarati Wikipedia, Finnish Wikipedia: <time datetime="2021-5-6">6 May 2021</time></li> <li><span typeof="mw:File"><span><img alt="Yes" src="//upload.wikimedia.org/wikipedia/commons/thumb/f/f6/OOjs_UI_icon_check-constructive.svg/20px-OOjs_UI_icon_check-constructive.svg.png" decoding="async" width="20" height="20" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/f/f6/OOjs_UI_icon_check-constructive.svg/30px-OOjs_UI_icon_check-constructive.svg.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/f/f6/OOjs_UI_icon_check-constructive.svg/40px-OOjs_UI_icon_check-constructive.svg.png 2x" data-file-width="20" data-file-height="20"/></span></span> Marathi Wikipedia: <time datetime="2021-5-10">10 May 2021</time></li> <li><span typeof="mw:File"><span><img alt="Yes" src="//upload.wikimedia.org/wikipedia/commons/thumb/f/f6/OOjs_UI_icon_check-constructive.svg/20px-OOjs_UI_icon_check-constructive.svg.png" decoding="async" width="20" height="20" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/f/f6/OOjs_UI_icon_check-constructive.svg/30px-OOjs_UI_icon_check-constructive.svg.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/f/f6/OOjs_UI_icon_check-constructive.svg/40px-OOjs_UI_icon_check-constructive.svg.png 2x" data-file-width="20" data-file-height="20"/></span></span> German Wikivoyage: <time datetime="2021-8-21">21 August 2021</time></li> <li><span typeof="mw:File"><span><img alt="Yes" src="//upload.wikimedia.org/wikipedia/commons/thumb/f/f6/OOjs_UI_icon_check-constructive.svg/20px-OOjs_UI_icon_check-constructive.svg.png" decoding="async" width="20" height="20" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/f/f6/OOjs_UI_icon_check-constructive.svg/30px-OOjs_UI_icon_check-constructive.svg.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/f/f6/OOjs_UI_icon_check-constructive.svg/40px-OOjs_UI_icon_check-constructive.svg.png 2x" data-file-width="20" data-file-height="20"/></span></span> all other wikis which use the <a href="/wiki/Extension:Popups" title="Extension:Popups">Popups</a> extension (all Wikipedias & en, he and zh Wikivoyages): <time datetime="2023-11-21">21 November 2023</time></li></ul></li></ul> <div class="mw-heading mw-heading2 ext-discussiontools-init-section"><h2 id="Links" data-mw-thread-id="h-Links"><span data-mw-comment-start="" id="h-Links"></span>Links<span data-mw-comment-end="h-Links"></span></h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Help:Reference_Previews&action=edit&section=7" title="Edit section: Links"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span><!--__DTELLIPSISBUTTON__{"threadItem":{"headingLevel":2,"name":"h-","type":"heading","level":0,"id":"h-Links","replies":[]}}--></div> <ul><li><a href="/wiki/Special:MyLanguage/Extension:Cite" title="Special:MyLanguage/Extension:Cite">Extension:Cite</a><span style="display:none"><a href="/wiki/Extension:Cite" title="Extension:Cite"> </a></span> enables <code class="mw-highlight" style="white-space:nowrap"><span class="p"><</span><span class="nt">ref</span><span class="p">></span></code> and <code class="mw-highlight" style="white-space:nowrap"><span class="p"><</span><span class="nt">references</span> <span class="p">/></span></code> tags</li> <li><a href="/wiki/Special:MyLanguage/Extension:Popups" title="Special:MyLanguage/Extension:Popups">Extension:Popups</a><span style="display:none"><a href="/wiki/Extension:Popups" title="Extension:Popups"> </a></span></li></ul> <p>Reference Previews </p> <ul><li><a class="external text" href="https://phabricator.wikimedia.org/tag/reference_previews/">project board on Phabricator</a></li> <li><a href="https://meta.wikimedia.org/wiki/WMDE_Technical_Wishes/ReferencePreviews" class="extiw" title="m:WMDE Technical Wishes/ReferencePreviews">main project page on Meta</a></li> <li><a href="/wiki/Help_talk:Reference_Previews" title="Help talk:Reference Previews">central feedback page on MediaWiki.org</a></li></ul> <p>Page Previews </p> <ul><li><a href="/wiki/Page_Previews" title="Page Previews">main project page on MediaWiki.org</a></li> <li><a href="/wiki/Talk:Page_Previews" title="Talk:Page Previews">central feedback page on MediaWiki.org</a></li></ul> <div class="mw-heading mw-heading2 ext-discussiontools-init-section"><h2 id="Help_with_translation" data-mw-thread-id="h-Help_with_translation"><span data-mw-comment-start="" id="h-Help_with_translation"></span>Help with translation<span data-mw-comment-end="h-Help_with_translation"></span></h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Help:Reference_Previews&action=edit&section=8" title="Edit section: Help with translation"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span><!--__DTELLIPSISBUTTON__{"threadItem":{"headingLevel":2,"name":"h-","type":"heading","level":0,"id":"h-Help_with_translation","replies":[]}}--></div> <p>The <a href="https://translatewiki.net/wiki/Special:Translate/ext-popups" class="extiw" title="translatewiki:Special:Translate/ext-popups">software messages for this feature</a> can be translated on translatewiki.net. Any help is much appreciated! </p> <!-- NewPP limit report Parsed by mw‐web.eqiad.main‐745f94f9f8‐ctwph Cached time: 20241120083616 Cache expiry: 2592000 Reduced expiry: false Complications: [show‐toc] DiscussionTools time usage: 0.010 seconds CPU time usage: 0.223 seconds Real time usage: 0.336 seconds Preprocessor visited node count: 2419/1000000 Post‐expand include size: 8999/2097152 bytes Template argument size: 1685/2097152 bytes Highest expansion depth: 13/100 Expensive parser function count: 12/500 Unstrip recursion depth: 0/20 Unstrip post‐expand size: 4803/5000000 bytes Lua time usage: 0.031/10.000 seconds Lua memory usage: 1066779/52428800 bytes Number of Wikibase entities loaded: 0/400 --> <!-- Transclusion expansion time report (%,ms,calls,template) 100.00% 119.829 1 -total 35.43% 42.460 4 Template:Ll 25.83% 30.951 1 Template:PD_Help_Page 23.59% 28.266 8 Template:Ymd 16.13% 19.331 20 Template:Int 12.68% 15.198 8 Template:I18n_month 10.48% 12.558 8 Template:Translatable 7.71% 9.244 3 Template:TNTN 5.76% 6.903 4 Template:Pagelang 3.87% 4.640 1 Translations:Page_Previews/Page_display_title/en --> <!-- Saved in parser cache with key mediawikiwiki:pcache:idhash:882914-0!canonical and timestamp 20241120083616 and revision id 6688274. 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