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[o]" accesskey="o"><span class="vector-icon mw-ui-icon-logIn mw-ui-icon-wikimedia-logIn"></span> <span>Log på</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 id="mw-dismissablenotice-anonplace"></div><script>(function(){var node=document.getElementById("mw-dismissablenotice-anonplace");if(node){node.outerHTML="\u003Cdiv class=\"mw-dismissable-notice\"\u003E\u003Cdiv class=\"mw-dismissable-notice-close\"\u003E[\u003Ca tabindex=\"0\" role=\"button\"\u003ELuk\u003C/a\u003E]\u003C/div\u003E\u003Cdiv class=\"mw-dismissable-notice-body\"\u003E\u003C!-- CentralNotice --\u003E\u003Cdiv id=\"localNotice\" data-nosnippet=\"\"\u003E\u003Cdiv class=\"sitenotice\" lang=\"da\" dir=\"ltr\"\u003E\u003Cp\u003EDu kan være med til at gøre Wikipedia bedre – \u003Ca href=\"/wiki/Hj%C3%A6lp:Du_kan_v%C3%A6re_med_til_at_g%C3%B8re_Wikipedia_bedre!\" title=\"Hjælp:Du kan være med til at gøre Wikipedia bedre!\"\u003Elæs her hvordan!\u003C/a\u003E\u003Cbr /\u003E \u003C/p\u003E\u003Cdiv class=\"vis-for-autopatrol\"\u003EDansk Wikipedia har en Discord-server, hvor du kan chatte. Se mere på \u003Ca href=\"/wiki/Wikipedia:Discord\" title=\"Wikipedia:Discord\"\u003EWikipedia:Discord\u003C/a\u003E\u003C/div\u003E\u003Cp\u003E\u003Ci\u003E\u003Csmall\u003E(\u003Ca href=\"/wiki/Hj%C3%A6lp:Sitenotice\" title=\"Hjælp:Sitenotice\"\u003ELæs her om sitenotice\u003C/a\u003E)\u003C/small\u003E\u003C/i\u003E\u003C/p\u003E\u003C/div\u003E\u003C/div\u003E\u003C/div\u003E\u003C/div\u003E";}}());</script></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="Websted"> <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="Indhold" 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">Indhold</h2> <button class="vector-pinnable-header-toggle-button vector-pinnable-header-pin-button" data-event-name="pinnable-header.vector-toc.pin">flyt til sidebjælken</button> <button class="vector-pinnable-header-toggle-button vector-pinnable-header-unpin-button" data-event-name="pinnable-header.vector-toc.unpin">skjul</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">Indledning</div> </a> </li> <li id="toc-Tidligere_brug_til_understregning" class="vector-toc-list-item vector-toc-level-1 vector-toc-list-item-expanded"> <a class="vector-toc-link" href="#Tidligere_brug_til_understregning"> <div class="vector-toc-text"> <span class="vector-toc-numb">1</span> <span>Tidligere brug til understregning</span> </div> </a> <ul id="toc-Tidligere_brug_til_understregning-sublist" class="vector-toc-list"> </ul> </li> <li id="toc-Brug_i_dag" class="vector-toc-list-item vector-toc-level-1 vector-toc-list-item-expanded"> <a class="vector-toc-link" href="#Brug_i_dag"> <div class="vector-toc-text"> <span class="vector-toc-numb">2</span> <span>Brug i dag</span> </div> </a> <ul id="toc-Brug_i_dag-sublist" class="vector-toc-list"> </ul> </li> <li id="toc-I_datalogi" class="vector-toc-list-item vector-toc-level-1 vector-toc-list-item-expanded"> <a class="vector-toc-link" href="#I_datalogi"> <div class="vector-toc-text"> <span class="vector-toc-numb">3</span> <span>I datalogi</span> </div> </a> <ul id="toc-I_datalogi-sublist" class="vector-toc-list"> </ul> </li> <li id="toc-Referencer" class="vector-toc-list-item vector-toc-level-1 vector-toc-list-item-expanded"> <a class="vector-toc-link" href="#Referencer"> <div class="vector-toc-text"> <span class="vector-toc-numb">4</span> <span>Referencer</span> </div> </a> <ul id="toc-Referencer-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="Indhold" 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="Vis/skjul indholdsfortegnelsen" > <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">Vis/skjul indholdsfortegnelsen</span> </label> <div class="vector-dropdown-content"> <div id="vector-page-titlebar-toc-unpinned-container" class="vector-unpinned-container"> </div> </div> </div> </nav> <h1 id="firstHeading" class="firstHeading mw-first-heading"><span class="mw-page-title-main">Bundstreg</span></h1> <div id="p-lang-btn" class="vector-dropdown mw-portlet mw-portlet-lang" > <input type="checkbox" id="p-lang-btn-checkbox" role="button" aria-haspopup="true" data-event-name="ui.dropdown-p-lang-btn" class="vector-dropdown-checkbox mw-interlanguage-selector" aria-label="Gå til en artikel på et andet sprog. Tilgængelig på 28 sprog" > <label id="p-lang-btn-label" for="p-lang-btn-checkbox" class="vector-dropdown-label cdx-button cdx-button--fake-button cdx-button--fake-button--enabled cdx-button--weight-quiet cdx-button--action-progressive mw-portlet-lang-heading-28" aria-hidden="true" ><span class="vector-icon mw-ui-icon-language-progressive mw-ui-icon-wikimedia-language-progressive"></span> <span class="vector-dropdown-label-text">28 sprog</span> </label> <div class="vector-dropdown-content"> <div class="vector-menu-content"> <ul class="vector-menu-content-list"> <li class="interlanguage-link interwiki-ar mw-list-item"><a href="https://ar.wikipedia.org/wiki/%D8%B4%D8%B1%D8%B7%D8%A9_%D8%B3%D9%81%D9%84%D9%8A%D8%A9" title="شرطة سفلية – arabisk" lang="ar" hreflang="ar" data-title="شرطة سفلية" data-language-autonym="العربية" data-language-local-name="arabisk" class="interlanguage-link-target"><span>العربية</span></a></li><li class="interlanguage-link interwiki-ca mw-list-item"><a href="https://ca.wikipedia.org/wiki/Gui%C3%B3_baix" title="Guió baix – catalansk" lang="ca" hreflang="ca" data-title="Guió baix" data-language-autonym="Català" data-language-local-name="catalansk" 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/Podtr%C5%BE%C3%ADtko" title="Podtržítko – tjekkisk" lang="cs" hreflang="cs" data-title="Podtržítko" data-language-autonym="Čeština" data-language-local-name="tjekkisk" class="interlanguage-link-target"><span>Čeština</span></a></li><li class="interlanguage-link interwiki-de mw-list-item"><a href="https://de.wikipedia.org/wiki/Unterstrich" title="Unterstrich – tysk" lang="de" hreflang="de" data-title="Unterstrich" data-language-autonym="Deutsch" data-language-local-name="tysk" class="interlanguage-link-target"><span>Deutsch</span></a></li><li class="interlanguage-link interwiki-en mw-list-item"><a href="https://en.wikipedia.org/wiki/Underscore" title="Underscore – engelsk" lang="en" hreflang="en" data-title="Underscore" data-language-autonym="English" data-language-local-name="engelsk" 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/Substreko" title="Substreko – esperanto" lang="eo" hreflang="eo" data-title="Substreko" 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/Guion_bajo" title="Guion bajo – spansk" lang="es" hreflang="es" data-title="Guion bajo" data-language-autonym="Español" data-language-local-name="spansk" 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%B2%DB%8C%D8%B1%D8%AE%D8%B7" title="زیرخط – persisk" lang="fa" hreflang="fa" data-title="زیرخط" data-language-autonym="فارسی" data-language-local-name="persisk" 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/Tiret_bas" title="Tiret bas – fransk" lang="fr" hreflang="fr" data-title="Tiret bas" data-language-autonym="Français" data-language-local-name="fransk" 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/Trazo_baixo" title="Trazo baixo – galicisk" lang="gl" hreflang="gl" data-title="Trazo baixo" data-language-autonym="Galego" data-language-local-name="galicisk" class="interlanguage-link-target"><span>Galego</span></a></li><li class="interlanguage-link interwiki-he mw-list-item"><a href="https://he.wikipedia.org/wiki/%D7%A7%D7%95_%D7%AA%D7%97%D7%AA%D7%95%D7%9F" title="קו תחתון – hebraisk" lang="he" hreflang="he" data-title="קו תחתון" data-language-autonym="עברית" data-language-local-name="hebraisk" class="interlanguage-link-target"><span>עברית</span></a></li><li class="interlanguage-link interwiki-hu mw-list-item"><a href="https://hu.wikipedia.org/wiki/Als%C3%B3k%C3%B6t%C5%91jel" title="Alsókötőjel – ungarsk" lang="hu" hreflang="hu" data-title="Alsókötőjel" data-language-autonym="Magyar" data-language-local-name="ungarsk" 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/Garis_bawah" title="Garis bawah – indonesisk" lang="id" hreflang="id" data-title="Garis bawah" data-language-autonym="Bahasa Indonesia" data-language-local-name="indonesisk" class="interlanguage-link-target"><span>Bahasa Indonesia</span></a></li><li class="interlanguage-link interwiki-it mw-list-item"><a href="https://it.wikipedia.org/wiki/Trattino_basso" title="Trattino basso – italiensk" lang="it" hreflang="it" data-title="Trattino basso" data-language-autonym="Italiano" data-language-local-name="italiensk" 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/%E3%82%A2%E3%83%B3%E3%83%80%E3%83%BC%E3%82%B9%E3%82%B3%E3%82%A2" title="アンダースコア – japansk" lang="ja" hreflang="ja" data-title="アンダースコア" data-language-autonym="日本語" data-language-local-name="japansk" class="interlanguage-link-target"><span>日本語</span></a></li><li class="interlanguage-link interwiki-ko mw-list-item"><a href="https://ko.wikipedia.org/wiki/%EB%B0%91%EC%A4%84_%EB%AC%B8%EC%9E%90" title="밑줄 문자 – koreansk" lang="ko" hreflang="ko" data-title="밑줄 문자" data-language-autonym="한국어" data-language-local-name="koreansk" class="interlanguage-link-target"><span>한국어</span></a></li><li class="interlanguage-link interwiki-nl mw-list-item"><a href="https://nl.wikipedia.org/wiki/Underscore" title="Underscore – nederlandsk" lang="nl" hreflang="nl" data-title="Underscore" data-language-autonym="Nederlands" data-language-local-name="nederlandsk" class="interlanguage-link-target"><span>Nederlands</span></a></li><li class="interlanguage-link interwiki-pl mw-list-item"><a href="https://pl.wikipedia.org/wiki/Znak_podkre%C5%9Blenia" title="Znak podkreślenia – polsk" lang="pl" hreflang="pl" data-title="Znak podkreślenia" data-language-autonym="Polski" data-language-local-name="polsk" class="interlanguage-link-target"><span>Polski</span></a></li><li class="interlanguage-link interwiki-pt mw-list-item"><a href="https://pt.wikipedia.org/wiki/Subtra%C3%A7o" title="Subtraço – portugisisk" lang="pt" hreflang="pt" data-title="Subtraço" data-language-autonym="Português" data-language-local-name="portugisisk" class="interlanguage-link-target"><span>Português</span></a></li><li class="interlanguage-link interwiki-ro mw-list-item"><a href="https://ro.wikipedia.org/wiki/Underscore" title="Underscore – rumænsk" lang="ro" hreflang="ro" data-title="Underscore" data-language-autonym="Română" data-language-local-name="rumænsk" class="interlanguage-link-target"><span>Română</span></a></li><li class="interlanguage-link interwiki-ru mw-list-item"><a href="https://ru.wikipedia.org/wiki/%D0%9F%D0%BE%D0%B4%D1%87%D1%91%D1%80%D0%BA%D0%B8%D0%B2%D0%B0%D0%BD%D0%B8%D0%B5" title="Подчёркивание – russisk" lang="ru" hreflang="ru" data-title="Подчёркивание" data-language-autonym="Русский" data-language-local-name="russisk" class="interlanguage-link-target"><span>Русский</span></a></li><li class="interlanguage-link interwiki-sl mw-list-item"><a href="https://sl.wikipedia.org/wiki/Pod%C4%8Drtaj" title="Podčrtaj – slovensk" lang="sl" hreflang="sl" data-title="Podčrtaj" data-language-autonym="Slovenščina" data-language-local-name="slovensk" class="interlanguage-link-target"><span>Slovenščina</span></a></li><li class="interlanguage-link interwiki-sv mw-list-item"><a href="https://sv.wikipedia.org/wiki/Understreck" title="Understreck – svensk" lang="sv" hreflang="sv" data-title="Understreck" data-language-autonym="Svenska" data-language-local-name="svensk" class="interlanguage-link-target"><span>Svenska</span></a></li><li class="interlanguage-link interwiki-ta mw-list-item"><a href="https://ta.wikipedia.org/wiki/%E0%AE%85%E0%AE%9F%E0%AE%BF%E0%AE%95%E0%AF%8D%E0%AE%95%E0%AF%8B%E0%AE%9F%E0%AF%81_(%E0%AE%A4%E0%AE%AE%E0%AE%BF%E0%AE%B4%E0%AF%8D_%E0%AE%A8%E0%AE%9F%E0%AF%88)" title="அடிக்கோடு (தமிழ் நடை) – tamil" lang="ta" hreflang="ta" data-title="அடிக்கோடு (தமிழ் நடை)" data-language-autonym="தமிழ்" data-language-local-name="tamil" class="interlanguage-link-target"><span>தமிழ்</span></a></li><li class="interlanguage-link interwiki-tr mw-list-item"><a href="https://tr.wikipedia.org/wiki/Alt_%C3%A7izgi" title="Alt çizgi – tyrkisk" lang="tr" hreflang="tr" data-title="Alt çizgi" data-language-autonym="Türkçe" data-language-local-name="tyrkisk" 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%97%D0%BD%D0%B0%D0%BA_%D0%BF%D1%96%D0%B4%D0%BA%D1%80%D0%B5%D1%81%D0%BB%D0%B5%D0%BD%D0%BD%D1%8F" title="Знак підкреслення – ukrainsk" lang="uk" hreflang="uk" data-title="Знак підкреслення" data-language-autonym="Українська" data-language-local-name="ukrainsk" class="interlanguage-link-target"><span>Українська</span></a></li><li class="interlanguage-link interwiki-xal mw-list-item"><a href="https://xal.wikipedia.org/wiki/%D0%9E%D0%BD%D0%BB%D1%83%D1%85_%D1%82%D0%B5%D0%BC%D0%B4%D0%B5%D0%B3" title="Онлух темдег – kalmyk" lang="xal" hreflang="xal" data-title="Онлух темдег" data-language-autonym="Хальмг" data-language-local-name="kalmyk" class="interlanguage-link-target"><span>Хальмг</span></a></li><li class="interlanguage-link interwiki-zh mw-list-item"><a href="https://zh.wikipedia.org/wiki/%E4%B8%8B%E6%A9%AB%E7%B7%9A" title="下橫線 – kinesisk" lang="zh" hreflang="zh" data-title="下橫線" data-language-autonym="中文" data-language-local-name="kinesisk" class="interlanguage-link-target"><span>中文</span></a></li> </ul> <div class="after-portlet after-portlet-lang"><span class="wb-langlinks-edit wb-langlinks-link"><a href="https://www.wikidata.org/wiki/Special:EntityPage/Q11199#sitelinks-wikipedia" title="Redigér sproglinks" class="wbc-editpage">Redigér links</a></span></div> </div> </div> </div> </header> <div class="vector-page-toolbar"> <div class="vector-page-toolbar-container"> <div id="left-navigation"> <nav aria-label="Navnerum"> <div id="p-associated-pages" class="vector-menu vector-menu-tabs mw-portlet mw-portlet-associated-pages" > <div class="vector-menu-content"> <ul class="vector-menu-content-list"> <li id="ca-nstab-main" class="selected vector-tab-noicon mw-list-item"><a href="/wiki/Bundstreg" title="Se indholdssiden [c]" accesskey="c"><span>Artikel</span></a></li><li id="ca-talk" class="new vector-tab-noicon mw-list-item"><a href="/w/index.php?title=Diskussion:Bundstreg&action=edit&redlink=1" rel="discussion" class="new" title="Diskussion om indholdet på siden (ikke skrevet endnu) [t]" accesskey="t"><span>Diskussion</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="Ændr sprogvariant" > <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">dansk</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="Visninger"> <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/Bundstreg"><span>Læs</span></a></li><li id="ca-ve-edit" class="vector-tab-noicon mw-list-item"><a href="/w/index.php?title=Bundstreg&veaction=edit" title="Redigér denne side [v]" accesskey="v"><span>Redigér</span></a></li><li id="ca-edit" class="collapsible vector-tab-noicon mw-list-item"><a href="/w/index.php?title=Bundstreg&action=edit" title="Rediger kildekoden for denne side [e]" accesskey="e"><span>Rediger kildekode</span></a></li><li id="ca-history" class="vector-tab-noicon mw-list-item"><a href="/w/index.php?title=Bundstreg&action=history" title="Tidligere versioner af denne side [h]" accesskey="h"><span>Se historik</span></a></li> </ul> </div> </div> </nav> <nav class="vector-page-tools-landmark" aria-label="Sideværktøjer"> <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="Værktøjer" > <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">Værktøjer</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">Værktøjer</div> <button class="vector-pinnable-header-toggle-button vector-pinnable-header-pin-button" data-event-name="pinnable-header.vector-page-tools.pin">flyt til sidebjælken</button> <button class="vector-pinnable-header-toggle-button vector-pinnable-header-unpin-button" data-event-name="pinnable-header.vector-page-tools.unpin">skjul</button> </div> <div id="p-cactions" class="vector-menu mw-portlet mw-portlet-cactions emptyPortlet vector-has-collapsible-items" title="Flere muligheder" > <div class="vector-menu-heading"> Handlinger </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/Bundstreg"><span>Læs</span></a></li><li id="ca-more-ve-edit" class="vector-more-collapsible-item mw-list-item"><a href="/w/index.php?title=Bundstreg&veaction=edit" title="Redigér denne side [v]" accesskey="v"><span>Redigér</span></a></li><li id="ca-more-edit" class="collapsible vector-more-collapsible-item mw-list-item"><a href="/w/index.php?title=Bundstreg&action=edit" title="Rediger kildekoden for denne side [e]" accesskey="e"><span>Rediger kildekode</span></a></li><li id="ca-more-history" class="vector-more-collapsible-item mw-list-item"><a href="/w/index.php?title=Bundstreg&action=history"><span>Se historik</span></a></li> </ul> </div> </div> <div id="p-tb" class="vector-menu mw-portlet mw-portlet-tb" > <div class="vector-menu-heading"> Generelt </div> <div class="vector-menu-content"> <ul class="vector-menu-content-list"> <li id="t-whatlinkshere" class="mw-list-item"><a href="/wiki/Speciel:Hvad_linker_hertil/Bundstreg" title="Liste med alle sider som henviser hertil [j]" accesskey="j"><span>Hvad henviser hertil</span></a></li><li id="t-recentchangeslinked" class="mw-list-item"><a href="/wiki/Speciel:Relaterede_%C3%A6ndringer/Bundstreg" rel="nofollow" title="Seneste ændringer af sider som denne side henviser til [k]" accesskey="k"><span>Beslægtede ændringer</span></a></li><li id="t-upload" class="mw-list-item"><a href="//commons.wikimedia.org/wiki/Special:UploadWizard?uselang=da&campaign=dk" title="Upload filer [u]" accesskey="u"><span>Upload fil</span></a></li><li id="t-specialpages" class="mw-list-item"><a href="/wiki/Speciel:Specialsider" title="Liste over alle specialsider [q]" accesskey="q"><span>Specialsider</span></a></li><li id="t-permalink" class="mw-list-item"><a href="/w/index.php?title=Bundstreg&oldid=10281559" title="Permanent link til denne version af denne side"><span>Permanent link</span></a></li><li id="t-info" class="mw-list-item"><a href="/w/index.php?title=Bundstreg&action=info" title="Yderligere oplysninger om denne side"><span>Sideinformation</span></a></li><li id="t-cite" class="mw-list-item"><a href="/w/index.php?title=Speciel:Citer&page=Bundstreg&id=10281559&wpFormIdentifier=titleform" title="Information om, hvordan man kan citere denne side"><span>Referer til denne side</span></a></li><li id="t-urlshortener" class="mw-list-item"><a href="/w/index.php?title=Speciel:UrlShortener&url=https%3A%2F%2Fda.wikipedia.org%2Fwiki%2FBundstreg"><span>Hent forkortet URL</span></a></li><li id="t-urlshortener-qrcode" class="mw-list-item"><a href="/w/index.php?title=Speciel:QrCode&url=https%3A%2F%2Fda.wikipedia.org%2Fwiki%2FBundstreg"><span>Download QR-kode</span></a></li> </ul> </div> </div> <div id="p-Organisation" class="vector-menu mw-portlet mw-portlet-Organisation" > <div class="vector-menu-heading"> Organisation </div> <div class="vector-menu-content"> <ul class="vector-menu-content-list"> <li id="n-contact" class="mw-list-item"><a href="/wiki/Wikipedia:Kontakt_Wikipedia"><span>Kontakt Wikipedia</span></a></li><li id="n-Wikimedia-Danmark" class="mw-list-item"><a href="https://dk.wikimedia.org/wiki/"><span>Wikimedia Danmark</span></a></li><li id="n-GLAM" class="mw-list-item"><a href="/wiki/Wikipedia:GLAM"><span>GLAM</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"> Udskriv/eksportér </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=Speciel:Bog&bookcmd=book_creator&referer=Bundstreg"><span>Lav en bog</span></a></li><li id="coll-download-as-rl" class="mw-list-item"><a href="/w/index.php?title=Speciel:DownloadAsPdf&page=Bundstreg&action=show-download-screen"><span>Download som PDF</span></a></li><li id="t-print" class="mw-list-item"><a href="/w/index.php?title=Bundstreg&printable=yes" title="Printervenlig udgave af denne side [p]" accesskey="p"><span>Udskriftsvenlig udgave</span></a></li> </ul> </div> </div> <div id="p-wikibase-otherprojects" class="vector-menu mw-portlet mw-portlet-wikibase-otherprojects" > <div class="vector-menu-heading"> I andre projekter </div> <div class="vector-menu-content"> <ul class="vector-menu-content-list"> <li class="wb-otherproject-link wb-otherproject-commons mw-list-item"><a href="https://commons.wikimedia.org/wiki/Category:Underscore" hreflang="en"><span>Wikimedia Commons</span></a></li><li id="t-wikibase" class="wb-otherproject-link wb-otherproject-wikibase-dataitem mw-list-item"><a href="https://www.wikidata.org/wiki/Special:EntityPage/Q11199" title="Link til tilknyttet emne i Wikidata [g]" accesskey="g"><span>Wikidata-element</span></a></li> </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="Sideværktøjer"> <div id="vector-page-tools-pinned-container" class="vector-pinned-container"> </div> </nav> <nav class="vector-appearance-landmark" aria-label="Udseende"> <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">Udseende</div> <button class="vector-pinnable-header-toggle-button vector-pinnable-header-pin-button" data-event-name="pinnable-header.vector-appearance.pin">flyt til sidebjælken</button> <button class="vector-pinnable-header-toggle-button vector-pinnable-header-unpin-button" data-event-name="pinnable-header.vector-appearance.unpin">skjul</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 class="mw-indicators"> </div> <div id="siteSub" class="noprint">Fra Wikipedia, den frie encyklopædi</div> </div> <div id="contentSub"><div id="mw-content-subtitle"></div></div> <div id="mw-content-text" class="mw-body-content"><div class="mw-content-ltr mw-parser-output" lang="da" dir="ltr"><table border="2" cellpadding="4" cellspacing="0" style="margin:0 0 1em 1em; background:#f8f8f8; border:1px solid #aaa; border-collapse:collapse; font-size:smaller; float:right;"> <tbody><tr> <th style="font-size:larger; background: #ccc;"><a href="/wiki/Tegns%C3%A6tning" title="Tegnsætning">Tegnsætning</a> </th></tr> <tr> <td> <p><a href="/wiki/Apostrof" title="Apostrof">apostrof</a> ( ' ) ( <b>’</b> )<br /> <a href="/wiki/Bindestreg" title="Bindestreg">bindestreg</a> ( <b>-</b> ) ( <b>‐</b> )<br /> <a href="/wiki/Citationstegn" title="Citationstegn">citationstegn</a> ( <b>‘ ’</b> ) ( <b>“ ”</b> ) m.fl.<br /> <a href="/wiki/Kolon" title="Kolon">kolon</a> ( <b>:</b> )<br /> <a href="/wiki/Komma" title="Komma">komma</a> ( <b>,</b> )<br /> <a href="/wiki/Mellemrum" title="Mellemrum">mellemrum</a> (   )<br /> <a href="/wiki/Parentes" title="Parentes">parenteser</a> ( <b>( )</b> ) ( <b>[ ]</b> ) ( <b>{ }</b> ) ( <b>〈 〉</b> )<br /> <a href="/wiki/Punktum" title="Punktum">punktum</a> ( <b>.</b> )<br /> <a href="/wiki/Semikolon" title="Semikolon">semikolon</a> ( <b>;</b> )<br /> <a href="/wiki/Skr%C3%A5streg" title="Skråstreg">skråstreg</a> ( <b>/</b> ) <br /> <a href="/wiki/Sp%C3%B8rgsm%C3%A5lstegn" title="Spørgsmålstegn">spørgsmålstegn</a> ( <b>?</b> )<br /> <a href="/wiki/Tankestreg" title="Tankestreg">tankestreg</a> ( <b>‒</b> ) ( <b>–</b> ) ( <b>—</b> ) ( <b>―</b> )<br /> <a href="/wiki/Udeladelsesprikker" title="Udeladelsesprikker">udeladelsesprikker</a> ( <b>…</b> ) ( <b>...</b> )<br /> <a href="/wiki/Udr%C3%A5bstegn" title="Udråbstegn">udråbstegn</a> ( <b>!</b> ) </p> </td></tr> <tr> <th style="background: #ccc;">Andre <a href="/wiki/Typografi" title="Typografi">typografiske</a> tegn </th></tr> <tr> <td> <p><a href="/wiki/Asterisk" title="Asterisk">asterisk</a> ( <b>*</b> )<br /> <a class="mw-selflink selflink">bundstreg</a> ( <b>_</b> )<br /> <a href="/wiki/Obelisk_(typografi)" title="Obelisk (typografi)">obelisk</a> ( <b>† ‡</b> )<br /> <a href="/wiki/Gradtegn" title="Gradtegn">gradtegn</a> ( <b>°</b> )<br /> <a href="/wiki/Lighedstegn" title="Lighedstegn">lighedstegn</a> ( <b>=</b> )<br /> <a href="/wiki/Lodret_streg" title="Lodret streg">lodret streg</a> ( <b>|</b> )<br /> <a href="/wiki/Mindre_end-tegn" title="Mindre end-tegn">mindre end-tegn</a> ( <b><</b> )<br /> <a href="/wiki/Nummertegn" title="Nummertegn">nummertegn</a> ( <b>#</b> )<br /> <a href="/wiki/Og-tegn" title="Og-tegn">og-tegn</a> ( <b>&</b> )<br /> <a href="/wiki/Omvendt_skr%C3%A5streg" title="Omvendt skråstreg">omvendt skråstreg</a> ( <b>\</b> )<br /> <a href="/wiki/Primtegn" title="Primtegn">primtegn</a> ( <b>′</b> )<br /> <a href="/wiki/Listepunkt" title="Listepunkt">punkt</a> ( <b>•</b> med mere )<br /> <a href="/wiki/Snabel-a" title="Snabel-a">snabel-a</a> ( <b>@</b> )<br /> <a href="/wiki/St%C3%B8rre_end-tegn" title="Større end-tegn">større end-tegn</a> ( <b>></b> )<br /> <a href="/wiki/Tilde" title="Tilde">tilde</a> ( <b>~</b> ) </p> </td></tr> <tr> <th style="background: #ccc;">Andre specialtegn </th></tr> <tr> <td> <p><a href="/wiki/Afsnitstegn" title="Afsnitstegn">afsnitstegn</a> ( <b>¶</b> )<br /> <a href="/wiki/Cirkumfleks" title="Cirkumfleks">cirkumfleks</a> ( <b>^</b> )<br /> <a href="/wiki/Copyrightm%C3%A6rket" title="Copyrightmærket">copyrightmærket</a> ( <b>©</b> )<br /> <a href="/wiki/Dollartegn" title="Dollartegn">dollartegn</a> ( <b>$</b> )<br /> <a href="/wiki/Eurosymbol" title="Eurosymbol">eurosymbol</a> ( <b>€</b> )<br /> <a href="/wiki/Forklaringstegn" title="Forklaringstegn">forklaringstegn</a> ( <b>ɔ:</b> )<br /> <a href="/wiki/Generisk_valutategn" title="Generisk valutategn">generisk valutategn</a> ( <b>¤</b> )<br /> <a href="/wiki/Paragraftegn" title="Paragraftegn">paragraftegn</a> ( <b>§</b> )<br /> <a href="/wiki/Procenttegn" title="Procenttegn">procenttegn</a> ( <b>%</b> ) <br /> <a href="/wiki/Pundtegn" title="Pundtegn">pundtegn</a> ( <b>£</b> )<br /> <a href="/wiki/Varem%C3%A6rke" title="Varemærke">varemærke</a> ( <b>®</b> ) (<b>™</b>) </p> </td></tr></tbody></table> <p><b>Bundstregen</b> ( <b>_</b> ) – også kaldet <b>understreg</b>, <b>understregningstegn</b> eller (fra <a href="/wiki/Engelsk_(sprog)" title="Engelsk (sprog)">engelsk</a>) <b>underscore</b><sup id="cite_ref-1" class="reference"><a href="#cite_note-1"><span class="cite-bracket">[</span>1<span class="cite-bracket">]</span></a></sup> – er et symbol, der siden indførelsen af moderne <a href="/wiki/Tekstbehandling" title="Tekstbehandling">tekstbehandling</a> som erstatning for <a href="/wiki/Skrivemaskine" title="Skrivemaskine">skrivemaskinen</a> har overlevet sin egen primære betydning og anvendelse. I dag bruges det i en række datalogiske sammenhænge samt til accenter på nogle afrikanske og indfødt amerikanske sprog. </p> <meta property="mw:PageProp/toc" /> <div class="mw-heading mw-heading2"><h2 id="Tidligere_brug_til_understregning">Tidligere brug til understregning</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Bundstreg&veaction=edit&section=1" title="Redigér afsnit: Tidligere brug til understregning" class="mw-editsection-visualeditor"><span>redigér</span></a><span class="mw-editsection-divider"> | </span><a href="/w/index.php?title=Bundstreg&action=edit&section=1" title="Edit section's source code: Tidligere brug til understregning"><span>rediger kildetekst</span></a><span class="mw-editsection-bracket">]</span></span></div> <p>Det blev tidligere brugt som understregningstegn på skrivemaskiner. Dette foregik ved, at man først skrev et ord, derefter flyttede man skrivemaskinehovedet tilbage til starten af ordet, og så skrev man en bundstreg for hver bogstav i ordet – hvorved en vandret streg opstod under samtlige bogstaver i ordet, og ordet dermed blev understreget. </p> <div class="mw-heading mw-heading2"><h2 id="Brug_i_dag">Brug i dag</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Bundstreg&veaction=edit&section=2" title="Redigér afsnit: Brug i dag" class="mw-editsection-visualeditor"><span>redigér</span></a><span class="mw-editsection-divider"> | </span><a href="/w/index.php?title=Bundstreg&action=edit&section=2" title="Edit section's source code: Brug i dag"><span>rediger kildetekst</span></a><span class="mw-editsection-bracket">]</span></span></div> <p>I dag bliver bundstregen i mange sammenhænge brugt i filnavne og <a href="/wiki/URL" class="mw-redirect" title="URL">URL</a>'er (for eksempel her i denne <a href="/wiki/Wiki" title="Wiki">wiki</a>) til at erstatte <a href="/wiki/Mellemrum" title="Mellemrum">mellemrum</a>. Tilsvarende i e-mail-adresser, hvor almindelige mellemrum ikke er tilladt. </p><p>Man kan – om man ikke har bedre midler til rådighed – bruge bundstregen til at lave et felt, der skal udfyldes i en formular (ved gentagne bundstreger som: ____), eller som en vandret linje i et dokument ved at bruge bundstreger hele vejen hen over siden. </p><p>I nogle <a href="/wiki/Chat" title="Chat">chat</a>- og <a href="/wiki/E-mail" title="E-mail">e-mail</a>-programmer vil et ord omkranset af bundstreg selv blive understreget. Således vil <code>jeg er _ikke_ fra Jylland</code> blive vist som <code>jeg er <u> ikke </u> fra Jylland</code>. I <a href="/wiki/Microsoft_Word" title="Microsoft Word">Microsoft Word</a> (og andre tilsvarende <a href="/wiki/Tekstbehandlingsprogram" class="mw-redirect" title="Tekstbehandlingsprogram">tekstbehandlingsprogrammer</a>) derimod, vil et ord omkranset af bundstreger automatisk blive skrevet i <a href="/wiki/Kursiv" title="Kursiv">kursiv</a> og bundstregerne fjernes – tilsvarende sætter en <a href="/wiki/Asterisk" title="Asterisk">asterisk</a> ( <b>*</b> ) et ord i <a href="/w/index.php?title=Fed_(typografi)&action=edit&redlink=1" class="new" title="Fed (typografi) (ikke skrevet endnu)">fed</a>. </p> <div class="mw-heading mw-heading2"><h2 id="I_datalogi">I datalogi</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Bundstreg&veaction=edit&section=3" title="Redigér afsnit: I datalogi" class="mw-editsection-visualeditor"><span>redigér</span></a><span class="mw-editsection-divider"> | </span><a href="/w/index.php?title=Bundstreg&action=edit&section=3" title="Edit section's source code: I datalogi"><span>rediger kildetekst</span></a><span class="mw-editsection-bracket">]</span></span></div> <p>Bundstregen findes i <a href="/wiki/ASCII" title="ASCII">ASCII</a>-<a href="/wiki/Tegns%C3%A6t" title="Tegnsæt">tegnsættet</a> som tegn nummer 95 og repræsenteres i <a href="/wiki/Unicode" title="Unicode">Unicode</a> som U+005F. </p> <div class="mw-heading mw-heading2"><h2 id="Referencer">Referencer</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Bundstreg&veaction=edit&section=4" title="Redigér afsnit: Referencer" class="mw-editsection-visualeditor"><span>redigér</span></a><span class="mw-editsection-divider"> | </span><a href="/w/index.php?title=Bundstreg&action=edit&section=4" title="Edit section's source code: Referencer"><span>rediger kildetekst</span></a><span class="mw-editsection-bracket">]</span></span></div> <style data-mw-deduplicate="TemplateStyles:r11780210">.mw-parser-output .reflist{font-size:90%;margin-bottom:0.5em;list-style-type:decimal}.mw-parser-output .reflist .references{font-size:100%;margin-bottom:0;list-style-type:inherit}.mw-parser-output .reflist-columns-2{column-width:30em}.mw-parser-output .reflist-columns-3{column-width:25em}.mw-parser-output .reflist-columns{margin-top:0.3em}.mw-parser-output .reflist-columns ol{margin-top:0}.mw-parser-output .reflist-columns li{page-break-inside:avoid;break-inside:avoid-column}.mw-parser-output .reflist-upper-alpha{list-style-type:upper-alpha}.mw-parser-output .reflist-upper-roman{list-style-type:upper-roman}.mw-parser-output .reflist-lower-alpha{list-style-type:lower-alpha}.mw-parser-output .reflist-lower-greek{list-style-type:lower-greek}.mw-parser-output .reflist-lower-roman{list-style-type:lower-roman}</style><div class="reflist"> <div class="mw-references-wrap"><ol class="references"> <li id="cite_note-1"><span class="mw-cite-backlink"><a href="#cite_ref-1">^</a></span> <span class="reference-text"><a rel="nofollow" class="external text" href="https://sproget.dk/lookup?SearchableText=underscore">underscore — sproget.dk</a></span> </li> </ol></div></div>    </div><noscript><img src="https://login.wikimedia.org/wiki/Special:CentralAutoLogin/start?type=1x1" alt="" width="1" height="1" style="border: none; position: absolute;"></noscript> <div class="printfooter" data-nosnippet="">Hentet fra "<a dir="ltr" href="https://da.wikipedia.org/w/index.php?title=Bundstreg&oldid=10281559">https://da.wikipedia.org/w/index.php?title=Bundstreg&oldid=10281559</a>"</div></div> <div id="catlinks" class="catlinks" data-mw="interface"><div id="mw-normal-catlinks" class="mw-normal-catlinks"><a href="/wiki/Speciel:Kategorier" title="Speciel:Kategorier">Kategorier</a>: <ul><li><a href="/wiki/Kategori:Tegns%C3%A6tning" title="Kategori:Tegnsætning">Tegnsætning</a></li><li><a href="/wiki/Kategori:Typografi" title="Kategori:Typografi">Typografi</a></li></ul></div></div> </div> </main> </div> <div class="mw-footer-container"> <footer id="footer" class="mw-footer" > <ul id="footer-info"> <li id="footer-info-lastmod"> Denne side blev senest ændret den 16. marts 2020 kl. 09:41.</li> <li id="footer-info-copyright">Tekst er tilgængelig under <a rel="nofollow" class="external text" href="//creativecommons.org/licenses/by-sa/4.0/deed.da">Creative Commons Navngivelse/Del på samme vilkår 4.0</a>; yderligere betingelser kan være gældende. 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