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Dit is echter niet verplicht."><span class="vector-icon mw-ui-icon-userAdd mw-ui-icon-wikimedia-userAdd"></span> <span>Account aanmaken</span></a></li><li id="pt-login" class="user-links-collapsible-item mw-list-item"><a href="/w/index.php?title=Speciaal:Aanmelden&returnto=PL%2F1&returntoquery=veaction%3Dedit%26redirect%3Dno" title="U wordt van harte uitgenodigd om aan te melden, maar dit is niet verplicht [o]" accesskey="o"><span class="vector-icon mw-ui-icon-logIn mw-ui-icon-wikimedia-logIn"></span> <span>Aanmelden</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"> Pagina's voor uitgelogde redacteuren <a href="/wiki/Help:Inleiding" aria-label="Meer leren over bewerken"><span>meer lezen</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/Speciaal:MijnBijdragen" title="Bijdragen IP-adres [y]" accesskey="y"><span>Bijdragen</span></a></li><li id="pt-anontalk" class="mw-list-item"><a href="/wiki/Speciaal:MijnOverleg" title="Overlegpagina van de anonieme gebruiker van dit IP-adres [n]" accesskey="n"><span>Overleg</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="Inhoud" 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">Inhoud</h2> <button class="vector-pinnable-header-toggle-button vector-pinnable-header-pin-button" data-event-name="pinnable-header.vector-toc.pin">naar zijbalk verplaatsen</button> <button class="vector-pinnable-header-toggle-button vector-pinnable-header-unpin-button" data-event-name="pinnable-header.vector-toc.unpin">verbergen</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">Top</div> </a> </li> <li id="toc-Externe_link" class="vector-toc-list-item vector-toc-level-1 vector-toc-list-item-expanded"> <a class="vector-toc-link" href="#Externe_link"> <div class="vector-toc-text"> <span class="vector-toc-numb">1</span> <span>Externe link</span> </div> </a> <ul id="toc-Externe_link-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="Inhoud" 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="Inhoudsopgave omschakelen" > <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">Inhoudsopgave omschakelen</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">PL/1</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="Ga naar een artikel in een andere taal. Beschikbaar in 35 talen" > <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-35" 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">35 talen</span> </label> <div class="vector-dropdown-content"> <div class="vector-menu-content"> <ul class="vector-menu-content-list"> <li class="interlanguage-link interwiki-be mw-list-item"><a href="https://be.wikipedia.org/wiki/%D0%9F%D0%9B/1" title="ПЛ/1 – Belarussisch" lang="be" hreflang="be" data-title="ПЛ/1" data-language-autonym="Беларуская" data-language-local-name="Belarussisch" class="interlanguage-link-target"><span>Беларуская</span></a></li><li class="interlanguage-link interwiki-bg mw-list-item"><a href="https://bg.wikipedia.org/wiki/PL/I" title="PL/I – Bulgaars" lang="bg" hreflang="bg" data-title="PL/I" data-language-autonym="Български" data-language-local-name="Bulgaars" class="interlanguage-link-target"><span>Български</span></a></li><li class="interlanguage-link interwiki-bn mw-list-item"><a href="https://bn.wikipedia.org/wiki/%E0%A6%AA%E0%A6%BF%E0%A6%8F%E0%A6%B2/%E0%A6%93%E0%A6%AF%E0%A6%BC%E0%A6%BE%E0%A6%A8" title="পিএল/ওয়ান – Bengaals" lang="bn" hreflang="bn" data-title="পিএল/ওয়ান" data-language-autonym="বাংলা" data-language-local-name="Bengaals" class="interlanguage-link-target"><span>বাংলা</span></a></li><li class="interlanguage-link interwiki-bs mw-list-item"><a href="https://bs.wikipedia.org/wiki/PL/I" title="PL/I – Bosnisch" lang="bs" hreflang="bs" data-title="PL/I" data-language-autonym="Bosanski" data-language-local-name="Bosnisch" class="interlanguage-link-target"><span>Bosanski</span></a></li><li class="interlanguage-link interwiki-ca mw-list-item"><a href="https://ca.wikipedia.org/wiki/PL/I" title="PL/I – Catalaans" lang="ca" hreflang="ca" data-title="PL/I" data-language-autonym="Català" data-language-local-name="Catalaans" 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/PL/I" title="PL/I – Tsjechisch" lang="cs" hreflang="cs" data-title="PL/I" data-language-autonym="Čeština" data-language-local-name="Tsjechisch" class="interlanguage-link-target"><span>Čeština</span></a></li><li class="interlanguage-link interwiki-da mw-list-item"><a href="https://da.wikipedia.org/wiki/PL/I" title="PL/I – Deens" lang="da" hreflang="da" data-title="PL/I" data-language-autonym="Dansk" data-language-local-name="Deens" class="interlanguage-link-target"><span>Dansk</span></a></li><li class="interlanguage-link interwiki-de mw-list-item"><a href="https://de.wikipedia.org/wiki/PL/I" title="PL/I – Duits" lang="de" hreflang="de" data-title="PL/I" data-language-autonym="Deutsch" data-language-local-name="Duits" 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/PL/I" title="PL/I – Engels" lang="en" hreflang="en" data-title="PL/I" data-language-autonym="English" data-language-local-name="Engels" class="interlanguage-link-target"><span>English</span></a></li><li class="interlanguage-link interwiki-es mw-list-item"><a href="https://es.wikipedia.org/wiki/PL/1" title="PL/1 – Spaans" lang="es" hreflang="es" data-title="PL/1" data-language-autonym="Español" data-language-local-name="Spaans" class="interlanguage-link-target"><span>Español</span></a></li><li class="interlanguage-link interwiki-et mw-list-item"><a href="https://et.wikipedia.org/wiki/PL/I" title="PL/I – Estisch" lang="et" hreflang="et" data-title="PL/I" data-language-autonym="Eesti" data-language-local-name="Estisch" class="interlanguage-link-target"><span>Eesti</span></a></li><li class="interlanguage-link interwiki-fa mw-list-item"><a href="https://fa.wikipedia.org/wiki/%D9%BE%DB%8C%E2%80%8C%D8%A7%D9%84/%DB%B1" title="پی‌ال/۱ – Perzisch" lang="fa" hreflang="fa" data-title="پی‌ال/۱" data-language-autonym="فارسی" data-language-local-name="Perzisch" class="interlanguage-link-target"><span>فارسی</span></a></li><li class="interlanguage-link interwiki-fi mw-list-item"><a href="https://fi.wikipedia.org/wiki/PL/I" title="PL/I – Fins" lang="fi" hreflang="fi" data-title="PL/I" data-language-autonym="Suomi" data-language-local-name="Fins" class="interlanguage-link-target"><span>Suomi</span></a></li><li class="interlanguage-link interwiki-fr mw-list-item"><a href="https://fr.wikipedia.org/wiki/PL/I" title="PL/I – Frans" lang="fr" hreflang="fr" data-title="PL/I" data-language-autonym="Français" data-language-local-name="Frans" 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/PL/1" title="PL/1 – Galicisch" lang="gl" hreflang="gl" data-title="PL/1" data-language-autonym="Galego" data-language-local-name="Galicisch" 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/PL/I" title="PL/I – Hebreeuws" lang="he" hreflang="he" data-title="PL/I" data-language-autonym="עברית" data-language-local-name="Hebreeuws" class="interlanguage-link-target"><span>עברית</span></a></li><li class="interlanguage-link interwiki-hr mw-list-item"><a href="https://hr.wikipedia.org/wiki/PL/1" title="PL/1 – Kroatisch" lang="hr" hreflang="hr" data-title="PL/1" data-language-autonym="Hrvatski" data-language-local-name="Kroatisch" class="interlanguage-link-target"><span>Hrvatski</span></a></li><li class="interlanguage-link interwiki-hu mw-list-item"><a href="https://hu.wikipedia.org/wiki/PL/I" title="PL/I – Hongaars" lang="hu" hreflang="hu" data-title="PL/I" data-language-autonym="Magyar" data-language-local-name="Hongaars" class="interlanguage-link-target"><span>Magyar</span></a></li><li class="interlanguage-link interwiki-io mw-list-item"><a href="https://io.wikipedia.org/wiki/PL/I" title="PL/I – Ido" lang="io" hreflang="io" data-title="PL/I" data-language-autonym="Ido" data-language-local-name="Ido" class="interlanguage-link-target"><span>Ido</span></a></li><li class="interlanguage-link interwiki-it mw-list-item"><a href="https://it.wikipedia.org/wiki/PL/I" title="PL/I – Italiaans" lang="it" hreflang="it" data-title="PL/I" data-language-autonym="Italiano" data-language-local-name="Italiaans" 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/PL/I" title="PL/I – Japans" lang="ja" hreflang="ja" data-title="PL/I" data-language-autonym="日本語" data-language-local-name="Japans" 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/PL/I" title="PL/I – Koreaans" lang="ko" hreflang="ko" data-title="PL/I" data-language-autonym="한국어" data-language-local-name="Koreaans" class="interlanguage-link-target"><span>한국어</span></a></li><li class="interlanguage-link interwiki-ml mw-list-item"><a href="https://ml.wikipedia.org/wiki/%E0%B4%AA%E0%B4%BF%E0%B4%8E%E0%B5%BD/%E0%B4%90" title="പിഎൽ/ഐ – Malayalam" lang="ml" hreflang="ml" data-title="പിഎൽ/ഐ" data-language-autonym="മലയാളം" data-language-local-name="Malayalam" class="interlanguage-link-target"><span>മലയാളം</span></a></li><li class="interlanguage-link interwiki-ms mw-list-item"><a href="https://ms.wikipedia.org/wiki/Bahasa_pengaturcaraan_PL/I" title="Bahasa pengaturcaraan PL/I – Maleis" lang="ms" hreflang="ms" data-title="Bahasa pengaturcaraan PL/I" data-language-autonym="Bahasa Melayu" data-language-local-name="Maleis" 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/PL/I" title="PL/I – Noors - Bokmål" lang="nb" hreflang="nb" data-title="PL/I" data-language-autonym="Norsk bokmål" data-language-local-name="Noors - Bokmål" class="interlanguage-link-target"><span>Norsk bokmål</span></a></li><li class="interlanguage-link interwiki-pl mw-list-item"><a href="https://pl.wikipedia.org/wiki/PL/I" title="PL/I – Pools" lang="pl" hreflang="pl" data-title="PL/I" data-language-autonym="Polski" data-language-local-name="Pools" 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/PL/I" title="PL/I – Portugees" lang="pt" hreflang="pt" data-title="PL/I" data-language-autonym="Português" data-language-local-name="Portugees" 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%9F%D0%9B/1" title="ПЛ/1 – Russisch" lang="ru" hreflang="ru" data-title="ПЛ/1" data-language-autonym="Русский" data-language-local-name="Russisch" class="interlanguage-link-target"><span>Русский</span></a></li><li class="interlanguage-link interwiki-sh mw-list-item"><a href="https://sh.wikipedia.org/wiki/PL/I" title="PL/I – Servo-Kroatisch" lang="sh" hreflang="sh" data-title="PL/I" data-language-autonym="Srpskohrvatski / српскохрватски" data-language-local-name="Servo-Kroatisch" class="interlanguage-link-target"><span>Srpskohrvatski / српскохрватски</span></a></li><li class="interlanguage-link interwiki-sk mw-list-item"><a href="https://sk.wikipedia.org/wiki/PL/I" title="PL/I – Slowaaks" lang="sk" hreflang="sk" data-title="PL/I" data-language-autonym="Slovenčina" data-language-local-name="Slowaaks" class="interlanguage-link-target"><span>Slovenčina</span></a></li><li class="interlanguage-link interwiki-sv mw-list-item"><a href="https://sv.wikipedia.org/wiki/PL/1" title="PL/1 – Zweeds" lang="sv" hreflang="sv" data-title="PL/1" data-language-autonym="Svenska" data-language-local-name="Zweeds" class="interlanguage-link-target"><span>Svenska</span></a></li><li class="interlanguage-link interwiki-tg mw-list-item"><a href="https://tg.wikipedia.org/wiki/%D0%9F%D0%9B/1" title="ПЛ/1 – Tadzjieks" lang="tg" hreflang="tg" data-title="ПЛ/1" data-language-autonym="Тоҷикӣ" data-language-local-name="Tadzjieks" class="interlanguage-link-target"><span>Тоҷикӣ</span></a></li><li class="interlanguage-link interwiki-uk mw-list-item"><a href="https://uk.wikipedia.org/wiki/PL/I" title="PL/I – Oekraïens" lang="uk" hreflang="uk" data-title="PL/I" data-language-autonym="Українська" data-language-local-name="Oekraïens" 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/PL/I" title="PL/I – Chinees" lang="zh" hreflang="zh" data-title="PL/I" data-language-autonym="中文" data-language-local-name="Chinees" class="interlanguage-link-target"><span>中文</span></a></li><li class="interlanguage-link interwiki-zh-yue mw-list-item"><a href="https://zh-yue.wikipedia.org/wiki/PL/1" title="PL/1 – Kantonees" lang="yue" hreflang="yue" data-title="PL/1" data-language-autonym="粵語" data-language-local-name="Kantonees" class="interlanguage-link-target"><span>粵語</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/Q223433#sitelinks-wikipedia" title="Taalkoppelingen bewerken" class="wbc-editpage">Koppelingen bewerken</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="Naamruimten"> <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/PL/1" title="Inhoudspagina bekijken [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=Overleg:PL/1&action=edit&redlink=1" rel="discussion" class="new" title="Overleg over deze pagina (de pagina bestaat niet) [t]" accesskey="t"><span>Overleg</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="Taalvariant wijzigen" > <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">Nederlands</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="Weergaven"> <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/PL/1"><span>Lezen</span></a></li><li id="ca-ve-edit" class="vector-tab-noicon mw-list-item"><a href="/w/index.php?title=PL/1&veaction=edit" title="Deze pagina bewerken [v]" accesskey="v"><span>Bewerken</span></a></li><li id="ca-edit" class="collapsible vector-tab-noicon mw-list-item"><a href="/w/index.php?title=PL/1&action=edit" title="Broncode van deze pagina bewerken [e]" accesskey="e"><span>Brontekst bewerken</span></a></li><li id="ca-history" class="vector-tab-noicon mw-list-item"><a href="/w/index.php?title=PL/1&action=history" title="Eerdere versies van deze pagina [h]" accesskey="h"><span>Geschiedenis weergeven</span></a></li> </ul> </div> </div> </nav> <nav class="vector-page-tools-landmark" aria-label="Paginahulpmiddelen"> <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="Hulpmiddelen" > <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">Hulpmiddelen</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">Hulpmiddelen</div> <button class="vector-pinnable-header-toggle-button vector-pinnable-header-pin-button" data-event-name="pinnable-header.vector-page-tools.pin">naar zijbalk verplaatsen</button> <button class="vector-pinnable-header-toggle-button vector-pinnable-header-unpin-button" data-event-name="pinnable-header.vector-page-tools.unpin">verbergen</button> </div> <div id="p-cactions" class="vector-menu mw-portlet mw-portlet-cactions emptyPortlet vector-has-collapsible-items" title="Meer opties" > <div class="vector-menu-heading"> Handelingen </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/PL/1"><span>Lezen</span></a></li><li id="ca-more-ve-edit" class="vector-more-collapsible-item mw-list-item"><a href="/w/index.php?title=PL/1&veaction=edit" title="Deze pagina bewerken [v]" accesskey="v"><span>Bewerken</span></a></li><li id="ca-more-edit" class="collapsible vector-more-collapsible-item mw-list-item"><a href="/w/index.php?title=PL/1&action=edit" title="Broncode van deze pagina bewerken [e]" accesskey="e"><span>Brontekst bewerken</span></a></li><li id="ca-more-history" class="vector-more-collapsible-item mw-list-item"><a href="/w/index.php?title=PL/1&action=history"><span>Geschiedenis weergeven</span></a></li> </ul> </div> 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href="/w/index.php?title=Speciaal:QrCode&url=https%3A%2F%2Fnl.wikipedia.org%2Fw%2Findex.php%3Ftitle%3DPL%2F1%26veaction%3Dedit"><span>QR-code downloaden</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"> Afdrukken/exporteren </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=Speciaal:Boek&bookcmd=book_creator&referer=PL%2F1"><span>Boek aanmaken</span></a></li><li id="coll-download-as-rl" class="mw-list-item"><a href="/w/index.php?title=Speciaal:DownloadAsPdf&page=PL%2F1&action=show-download-screen"><span>Downloaden als PDF</span></a></li><li id="t-print" class="mw-list-item"><a href="/w/index.php?title=PL/1&printable=yes" title="Printvriendelijke versie van deze pagina [p]" accesskey="p"><span>Afdrukversie</span></a></li> </ul> </div> </div> <div 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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">Uiterlijk</div> <button class="vector-pinnable-header-toggle-button vector-pinnable-header-pin-button" data-event-name="pinnable-header.vector-appearance.pin">naar zijbalk verplaatsen</button> <button class="vector-pinnable-header-toggle-button vector-pinnable-header-unpin-button" data-event-name="pinnable-header.vector-appearance.unpin">verbergen</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">Uit Wikipedia, de vrije encyclopedie</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="nl" dir="ltr"><table class="infobox" cellpadding="1" cellspacing="1"> <tbody><tr> <th class="infobox-kop notheme" style="background-color:beige; color:inherit; text-align:center; font-size:120%;" colspan="3">PL/1 </th></tr> <tr> <th><a href="/wiki/Programmeerparadigma" title="Programmeerparadigma">Paradigma</a> </th> <td colspan="2"><a href="/wiki/Imperatief_programmeren" title="Imperatief programmeren">imperatief</a>, <a href="/wiki/Gestructureerd_programmeren" title="Gestructureerd programmeren">gestructureerd</a> </td></tr> <tr> <th>Verschenen </th> <td colspan="2">1964 </td></tr> <tr> <th><span class="nowrap">Ontworpen door</span> </th> <td colspan="2">Hursley Laboratories (<a href="/wiki/IBM" title="IBM">IBM</a>) </td></tr> <tr> <th><span class="nowrap">Ontwikkeld door</span> </th> <td colspan="2"><a href="/wiki/IBM" title="IBM">IBM</a> </td></tr> <tr> <th>Dialecten </th> <td colspan="2"><a href="/wiki/PL/M" title="PL/M">PL/M</a>, <a href="/w/index.php?title=PL/MP&action=edit&redlink=1" class="new" title="PL/MP (de pagina bestaat niet)">PL/MP</a>, XPL, PL/P, PL/C, PL/S, PL/AS, PL/X, PL/8, EPL </td></tr> <tr> <th><span class="nowrap">Beïnvloed door</span> </th> <td colspan="2"><a href="/wiki/COBOL" title="COBOL">COBOL</a>, <a href="/wiki/Fortran" title="Fortran">Fortran</a>, <a href="/wiki/Algol_(programmeertaal)" title="Algol (programmeertaal)">Algol</a> </td></tr> <tr> <th><a href="/wiki/Besturingssysteem" title="Besturingssysteem">Besturingssysteem</a> </th> <td colspan="2"><a href="/wiki/IBM" title="IBM">IBM</a>-<a href="/wiki/Mainframe" title="Mainframe">mainframes</a> </td></tr> <tr> <th><a href="/wiki/Website" title="Website">Website</a> </th> <td colspan="2"><style data-mw-deduplicate="TemplateStyles:r67679320">.mw-parser-output .taalaanduiding{font-family:sans-serif;font-size:85%;cursor:help;color:var(--color-subtle,#555)}.mw-parser-output .taalaanduiding span{border-bottom:1px dotted var(--color-subtle,#555)}</style><span class="taalaanduiding" title="Taal: Engels">(<span>en</span>) </span><a rel="nofollow" class="external text" href="http://www-306.ibm.com/software/awdtools/pli/">Officiële website</a> </td></tr> <tr> <td class="infobox-kop notheme center" style="background-color:beige; color:inherit;" colspan="3"> <table cellspacing="0" cellpadding="0"> <tbody><tr> <td style="vertical-align:middle;"><b>Portaal</b>  <span class="noviewer" typeof="mw:File"><a href="/wiki/Bestand:Portal.svg" class="mw-file-description" title="Portaalicoon"><img alt="Portaalicoon" src="//upload.wikimedia.org/wikipedia/commons/thumb/c/c9/Portal.svg/22px-Portal.svg.png" decoding="async" width="22" height="20" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/c/c9/Portal.svg/33px-Portal.svg.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/c/c9/Portal.svg/44px-Portal.svg.png 2x" data-file-width="36" data-file-height="32" /></a></span>   </td> <td class="ta-left"><b><a href="/wiki/Portaal:Informatica" title="Portaal:Informatica">Informatica</a> </b> </td></tr></tbody></table> </td></tr> </tbody></table> <p><b>PL/1</b> of <b>PL/I</b>, de afkorting van <b>Programming Language 1</b>, is een <a href="/wiki/Programmeertaal" title="Programmeertaal">programmeertaal</a> die door <a href="/wiki/IBM" title="IBM">IBM</a> is ontworpen en wordt ondersteund op haar <a href="/wiki/Mainframe" title="Mainframe">mainframes</a>. Het was de bedoeling om <a href="/wiki/COBOL" title="COBOL">COBOL</a> uit de <a href="/wiki/Zakenwereld" class="mw-redirect" title="Zakenwereld">zakenwereld</a> en <a href="/wiki/FORTRAN" class="mw-redirect" title="FORTRAN">FORTRAN</a> uit de <a href="/wiki/Wetenschappelijke" class="mw-redirect" title="Wetenschappelijke">wetenschappelijke</a> wereld samen te brengen. Intern gebruikt(e) IBM een aanverwante taal (PL/S) voor het ontwikkelen van haar <a href="/wiki/Mainframe" title="Mainframe">mainframe</a>-systeemsoftware. </p><p>De scripttaal <a href="/wiki/Rexx" title="Rexx">Rexx</a> heeft een aan PL/1 verwante <a href="/wiki/Syntaxis_(informatica)" title="Syntaxis (informatica)">syntaxis</a>, maar zonder de strikte datatypes die PL/1 wel heeft. </p> <div class="mw-heading mw-heading2"><h2 id="Externe_link">Externe link</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=PL/1&veaction=edit&section=1" title="Bewerk dit kopje: Externe link" class="mw-editsection-visualeditor"><span>bewerken</span></a><span class="mw-editsection-divider"> | </span><a href="/w/index.php?title=PL/1&action=edit&section=1" title="De broncode bewerken van de sectie: Externe link"><span>brontekst bewerken</span></a><span class="mw-editsection-bracket">]</span></span></div> <ul><li><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r67679320"><span class="taalaanduiding" title="Taal: Engels">(<span>en</span>) </span><a rel="nofollow" class="external text" href="https://web.archive.org/web/20080622220338/http://www-306.ibm.com/software/awdtools/pli/">Officiële website</a></li></ul> <div class="interProject wikibooks mw-list-item" style="display:none;"><a href="https://nl.wikibooks.org/wiki/Programmeren_in_PL/1" class="extiw" title="b:Programmeren in PL/1">Wikibooks</a></div> <div class="interProjectTemplate interProject-groot toccolours" style="display:flex; gap:1em; align-items:center; clear:both; margin:1em 0 -0.5em 0;"> <div style="min-width:max-content;"><span class="noviewer noresize" typeof="mw:File"><a href="/wiki/Bestand:Wikibooks-logo.svg" class="mw-file-description"><img alt="" src="//upload.wikimedia.org/wikipedia/commons/thumb/f/fa/Wikibooks-logo.svg/25px-Wikibooks-logo.svg.png" decoding="async" width="25" height="25" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/f/fa/Wikibooks-logo.svg/38px-Wikibooks-logo.svg.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/f/fa/Wikibooks-logo.svg/50px-Wikibooks-logo.svg.png 2x" data-file-width="300" data-file-height="300" /></a></span></div> <div><a href="/wiki/Wikibooks" title="Wikibooks">Wikibooks</a> heeft meer over dit onderwerp: <i><b><a href="https://nl.wikibooks.org/wiki/Programmeren_in_PL/1" class="extiw" title="b:Programmeren in PL/1">Cursus programmeren in PL/1</a></b></i>.</div> </div> <style data-mw-deduplicate="TemplateStyles:r67837862">.mw-parser-output .navigatie{position:relative;clear:both;overflow:auto;margin:1em auto -0.5em;padding:2px;background-color:var(--background-color-neutral-subtle,#f8f9fa);border:1px solid var(--border-color-base,#a2a9b1);text-align:center;font-size:87%}.mw-parser-output .navigatie-bewerken{margin-left:0.5em}.mw-parser-output .navigatie-bewerken 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src="//upload.wikimedia.org/wikipedia/commons/thumb/4/40/OOjs_UI_icon_speechBubbles-ltr.svg/16px-OOjs_UI_icon_speechBubbles-ltr.svg.png" decoding="async" width="16" height="16" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/4/40/OOjs_UI_icon_speechBubbles-ltr.svg/24px-OOjs_UI_icon_speechBubbles-ltr.svg.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/4/40/OOjs_UI_icon_speechBubbles-ltr.svg/32px-OOjs_UI_icon_speechBubbles-ltr.svg.png 2x" data-file-width="20" data-file-height="20" /></a></span> · <span typeof="mw:File"><a href="//nl.wikipedia.org/w/index.php?title=Sjabloon:Navigatie_programmeertalen&action=edit" title="Sjabloon bewerken"><img alt="Sjabloon bewerken" src="//upload.wikimedia.org/wikipedia/commons/thumb/8/8a/OOjs_UI_icon_edit-ltr.svg/16px-OOjs_UI_icon_edit-ltr.svg.png" decoding="async" width="16" height="16" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/8/8a/OOjs_UI_icon_edit-ltr.svg/24px-OOjs_UI_icon_edit-ltr.svg.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/8/8a/OOjs_UI_icon_edit-ltr.svg/32px-OOjs_UI_icon_edit-ltr.svg.png 2x" data-file-width="20" data-file-height="20" /></a></span></span></div></div> <div id="Programmeertalen" class="navigatie-titel"><a href="/wiki/Programmeertaal" title="Programmeertaal">Programmeertalen</a></div> <div class="navigatie-inhoud"> <p><a href="/wiki/ABAP" title="ABAP">ABAP</a> · <a href="/wiki/ABC_(programmeertaal)" title="ABC (programmeertaal)">ABC</a> · <a href="/wiki/ActionScript" title="ActionScript">ActionScript</a> · <a href="/wiki/Ada_(programmeertaal)" title="Ada (programmeertaal)">Ada</a> · <a href="/wiki/Algol_(programmeertaal)" title="Algol (programmeertaal)">Algol</a> · <a href="/wiki/APL_(programmeertaal)" title="APL (programmeertaal)">APL</a> · <a href="/wiki/Assembleertaal" title="Assembleertaal">assembleertalen</a> · <a href="/wiki/AWK" title="AWK">AWK</a> · <a href="/wiki/B_(programmeertaal)" title="B (programmeertaal)">B</a> · <a href="/wiki/BASIC" title="BASIC">BASIC</a> · <a href="/wiki/BCPL" title="BCPL">BCPL</a> · <a href="/wiki/C_(programmeertaal)" title="C (programmeertaal)">C</a> · <a href="/wiki/C%2B%2B" title="C++">C++</a> · <a href="/wiki/C_Sharp" title="C Sharp">C#</a> · <a href="/wiki/Clean_(programmeertaal)" title="Clean (programmeertaal)">Clean</a> · <a href="/wiki/Clipper_(programmeertaal)" title="Clipper (programmeertaal)">Clipper</a> · <a href="/wiki/COBOL" title="COBOL">COBOL</a> · <a href="/wiki/COMAL" title="COMAL">COMAL</a> · <a href="/wiki/Curry_(programmeertaal)" title="Curry (programmeertaal)">Curry</a> · <a href="/wiki/D_(programmeertaal)" title="D (programmeertaal)">D</a> · <a href="/wiki/Eiffel_(programmeertaal)" title="Eiffel (programmeertaal)">Eiffel</a> · <a href="/wiki/Erlang_(programmeertaal)" title="Erlang (programmeertaal)">Erlang</a> · <a href="/wiki/F_Sharp" title="F Sharp">F#</a> · <a href="/wiki/Forth_(programmeertaal)" title="Forth (programmeertaal)">Forth</a> · <a href="/wiki/Fortran" title="Fortran">Fortran</a> · <a href="/wiki/Go_(programmeertaal)" title="Go (programmeertaal)">Go</a> · <a href="/wiki/Haskell_(programmeertaal)" title="Haskell (programmeertaal)">Haskell</a> · <a href="/wiki/Icon_(programmeertaal)" title="Icon (programmeertaal)">Icon</a> · <a href="/wiki/J_Sharp" title="J Sharp">J#</a> · <a href="/wiki/Java_(programmeertaal)" title="Java (programmeertaal)">Java</a> · <a href="/wiki/Julia_(programmeertaal)" title="Julia (programmeertaal)">Julia</a> · <a href="/wiki/Kotlin_(programmeertaal)" title="Kotlin (programmeertaal)">Kotlin</a> · <a href="/wiki/Lisp_(programmeertaal)" title="Lisp (programmeertaal)">Lisp</a> · <a href="/wiki/Logo_(programmeertaal)" title="Logo (programmeertaal)">Logo</a> · <a href="/wiki/Lua_(programmeertaal)" title="Lua (programmeertaal)">Lua</a> · <a href="/wiki/M4_(programmeertaal)" title="M4 (programmeertaal)">m4</a> · <a href="/wiki/ML_(programmeertaal)" title="ML (programmeertaal)">ML</a> · <a href="/wiki/Modula-2" title="Modula-2">Modula-2</a> · <a href="/wiki/Oberon_(programmeertaal)" title="Oberon (programmeertaal)">Oberon</a> · <a href="/wiki/Object_Pascal" title="Object Pascal">Object Pascal</a> · <a href="/wiki/Objective-C" title="Objective-C">Objective-C</a> · <a href="/wiki/Ocaml" title="Ocaml">Ocaml</a> · <a href="/wiki/Oz_(programmeertaal)" title="Oz (programmeertaal)">Oz</a> · <a href="/wiki/Pascal_(programmeertaal)" title="Pascal (programmeertaal)">Pascal</a> · <a href="/wiki/Perl_(programmeertaal)" title="Perl (programmeertaal)">Perl</a> · <a href="/wiki/PHP" title="PHP">PHP</a> · <a class="mw-selflink selflink">PL/I</a> · <a href="/wiki/PL/SQL" title="PL/SQL">PL/SQL</a> · <a href="/wiki/Prolog" title="Prolog">Prolog</a> · <a href="/wiki/Prova_(programmeertaal)" title="Prova (programmeertaal)">Prova</a> · <a href="/wiki/Python_(programmeertaal)" title="Python (programmeertaal)">Python</a> · <a href="/wiki/Rexx" title="Rexx">Rexx</a> · <a href="/wiki/RPG_(programmeertaal)" title="RPG (programmeertaal)">RPG</a> · <a href="/wiki/Ruby_(programmeertaal)" title="Ruby (programmeertaal)">Ruby</a> · <a href="/wiki/Rust_(programmeertaal)" title="Rust (programmeertaal)">Rust</a> · <a href="/wiki/SAS_(programmeertaal)" title="SAS (programmeertaal)">SAS</a> · <a href="/wiki/Scala_(programmeertaal)" title="Scala (programmeertaal)">Scala</a> · <a href="/wiki/Scheme" title="Scheme">Scheme</a> · <a href="/wiki/Self_(programmeertaal)" title="Self (programmeertaal)">Self</a> · <a href="/wiki/Simula" title="Simula">Simula</a> · <a href="/wiki/Smalltalk_(programmeertaal)" title="Smalltalk (programmeertaal)">Smalltalk</a> · <a href="/wiki/Swift_(programmeertaal)" title="Swift (programmeertaal)">Swift</a> · <a href="/wiki/Tcl_(programmeertaal)" title="Tcl (programmeertaal)">TCL</a> · <a href="/wiki/TypeScript" title="TypeScript">TypeScript</a> · <a 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