Help:Pre-save transform

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vector-toc-level-1 vector-toc-list-item-expanded"><a class="vector-toc-link" href="https://www-mediawiki-org.translate.goog/wiki/Special:MyLanguage/Help:Pre-save_transform?_x_tr_sl=auto&_x_tr_tl=te&_x_tr_hl=te#Limits"> <div class="vector-toc-text"><span class="vector-toc-numb">2</span> <span>Limits</span> </div></a> <ul id="toc-Limits-sublist" class="vector-toc-list"> </ul></li> <li id="toc-References" class="vector-toc-list-item vector-toc-level-1 vector-toc-list-item-expanded"><a class="vector-toc-link" href="https://www-mediawiki-org.translate.goog/wiki/Special:MyLanguage/Help:Pre-save_transform?_x_tr_sl=auto&_x_tr_tl=te&_x_tr_hl=te#References"> <div class="vector-toc-text"><span class="vector-toc-numb">3</span> <span>References</span> </div></a> <ul id="toc-References-sublist" class="vector-toc-list"> </ul></li> <li id="toc-See_also" class="vector-toc-list-item vector-toc-level-1 vector-toc-list-item-expanded"><a class="vector-toc-link" href="https://www-mediawiki-org.translate.goog/wiki/Special:MyLanguage/Help:Pre-save_transform?_x_tr_sl=auto&_x_tr_tl=te&_x_tr_hl=te#See_also"> <div class="vector-toc-text"><span class="vector-toc-numb">4</span> <span>See also</span> </div></a> <ul id="toc-See_also-sublist" class="vector-toc-list"> </ul></li> </ul> </div> </div> </nav> </div> </div> <div class="mw-content-container"> <main id="content" class="mw-body"> <header class="mw-body-header vector-page-titlebar"> <nav aria-label="Contents" class="vector-toc-landmark"> <div id="vector-page-titlebar-toc" class="vector-dropdown vector-page-titlebar-toc vector-button-flush-left"><input type="checkbox" id="vector-page-titlebar-toc-checkbox" role="button" aria-haspopup="true" data-event-name="ui.dropdown-vector-page-titlebar-toc" class="vector-dropdown-checkbox " aria-label="Toggle the table of contents"> <label id="vector-page-titlebar-toc-label" for="vector-page-titlebar-toc-checkbox" class="vector-dropdown-label cdx-button cdx-button--fake-button cdx-button--fake-button--enabled cdx-button--weight-quiet cdx-button--icon-only " aria-hidden="true"><span class="vector-icon mw-ui-icon-listBullet mw-ui-icon-wikimedia-listBullet"></span> <span class="vector-dropdown-label-text">Toggle the table of contents</span> </label> <div class="vector-dropdown-content"> <div id="vector-page-titlebar-toc-unpinned-container" class="vector-unpinned-container"> </div> </div> </div> </nav> <h1 id="firstHeading" class="firstHeading mw-first-heading"><span class="mw-page-title-namespace">Help</span><span class="mw-page-title-separator">:</span><span class="mw-page-title-main">Pre-save transform</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 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class="mw-content-ltr mw-parser-output" lang="en" dir="ltr"> <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="https://translate.google.com/website?sl=auto&tl=te&hl=te&u=https://upload.wikimedia.org/wikipedia/commons/thumb/6/62/PD-icon.svg/45px-PD-icon.svg.png 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See <a href="https://www-mediawiki-org.translate.goog/wiki/Special:MyLanguage/Project:PD_help?_x_tr_sl=auto&_x_tr_tl=te&_x_tr_hl=te" 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="https://translate.google.com/website?sl=auto&tl=te&hl=te&u=https://upload.wikimedia.org/wikipedia/commons/thumb/6/62/PD-icon.svg/45px-PD-icon.svg.png 1.5x,https://translate.google.com/website?sl=auto&tl=te&hl=te&u=https://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> <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><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="https://www-mediawiki-org.translate.goog/wiki/Help:Pre-save_transform/ha?_x_tr_sl=auto&_x_tr_tl=te&_x_tr_hl=te" class="mw-pt-progress mw-pt-progress--complete" title="Taimako:Tsarin adana canji (100% translated)" lang="ha" dir="ltr">Hausa</a></li> <li><a href="https://www-mediawiki-org.translate.goog/wiki/Help:Pre-save_transform/diq?_x_tr_sl=auto&_x_tr_tl=te&_x_tr_hl=te" class="mw-pt-progress mw-pt-progress--med" title="Help:Pre-save transform/diq (17% translated)" lang="diq" dir="ltr">Zazaki</a></li> <li><a href="https://www-mediawiki-org.translate.goog/wiki/Help:Pre-save_transform/fr?_x_tr_sl=auto&_x_tr_tl=te&_x_tr_hl=te" class="mw-pt-progress mw-pt-progress--low" title="Aide:Transformations avant enregistrement (4% translated)" lang="fr" dir="ltr">français</a></li> <li><a href="https://www-mediawiki-org.translate.goog/wiki/Help:Pre-save_transform/pl?_x_tr_sl=auto&_x_tr_tl=te&_x_tr_hl=te" class="mw-pt-progress mw-pt-progress--low" title="Help:Pre-save transform/pl (4% translated)" lang="pl" dir="ltr">polski</a></li> </ul> </div> <p>When you finish editing a page on MediaWiki and click on the <code>Publish changes</code> button, the <a href="https://www-mediawiki-org.translate.goog/wiki/Special:MyLanguage/wikitext?_x_tr_sl=auto&_x_tr_tl=te&_x_tr_hl=te" title="Special:MyLanguage/wikitext">wikitext</a><span style="display:none"><a href="https://www-mediawiki-org.translate.goog/wiki/Wikitext?_x_tr_sl=auto&_x_tr_tl=te&_x_tr_hl=te" title="Wikitext"> </a></span> you enter may be automatically modified before it is saved. This process is called a <b>pre-save transform (PST)</b>, and it is visible when you click on the <code>Show changes</code> button. The visual rendering of the PST is shown when you click on the <code><a href="https://www-mediawiki-org.translate.goog/wiki/Special:MyLanguage/Help:Preview?_x_tr_sl=auto&_x_tr_tl=te&_x_tr_hl=te" title="Special:MyLanguage/Help:Preview">Show preview</a></code> button. The modified wikitext won't appear in the edit box immediately. To see the changes in the wikitext, you need to save and then press "Edit" again.</p> <meta property="mw:PageProp/toc"> <div class="mw-heading mw-heading2 ext-discussiontools-init-section"> <h2 id="Examples" data-mw-thread-id="h-Examples"><span data-mw-comment-start="" id="h-Examples"></span>Examples<span data-mw-comment-end="h-Examples"></span></h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="https://www-mediawiki-org.translate.goog/w/index.php?title=Help:Pre-save_transform&action=edit&section=1&_x_tr_sl=auto&_x_tr_tl=te&_x_tr_hl=te" title="Edit section: Examples"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span> </div> <p>The instances in which wikitext is automatically transformed include:</p> <ul> <li><a href="https://www-mediawiki-org.translate.goog/wiki/Special:MyLanguage/Help:Substitution?_x_tr_sl=auto&_x_tr_tl=te&_x_tr_hl=te" title="Special:MyLanguage/Help:Substitution">Substitution</a><span style="display:none"><a href="https://www-mediawiki-org.translate.goog/wiki/Help:Substitution?_x_tr_sl=auto&_x_tr_tl=te&_x_tr_hl=te" title="Help:Substitution"> </a></span></li> <li>Tildes: <ul> <li><code>~~~</code> creates a <a href="https://www-mediawiki-org.translate.goog/wiki/Special:MyLanguage/Help:Preferences?_x_tr_sl=auto&_x_tr_tl=te&_x_tr_hl=te#Signature" title="Special:MyLanguage/Help:Preferences">signature</a><span style="display:none"><a href="https://www-mediawiki-org.translate.goog/wiki/Help:Preferences?_x_tr_sl=auto&_x_tr_tl=te&_x_tr_hl=te#Signature" title="Help:Preferences"> </a></span> without including the time or date.</li> <li><code>~~~~~</code> provides the time and date information, such as <code>08:56, 2 July 2024 (UTC)</code></li> <li><code>~~~~</code> creates a complete signature, combining <code>~~~</code> and <code>~~~~~</code></li> </ul></li> <li><a href="https://www-mediawiki-org.translate.goog/wiki/Special:MyLanguage/Help:Links?_x_tr_sl=auto&_x_tr_tl=te&_x_tr_hl=te#Pipe_trick" title="Special:MyLanguage/Help:Links">Pipe trick</a><span style="display:none"><a href="https://www-mediawiki-org.translate.goog/wiki/Help:Links?_x_tr_sl=auto&_x_tr_tl=te&_x_tr_hl=te#Pipe_trick" title="Help:Links"> </a></span></li> </ul> <p>When you add this code to a template, please make sure it doesn't convert wikitext too soon, like when saving the template. One way to do this is by enclosing the split code within the template's parameters. For example:</p> <ul> <li><code>{{{{{|safesubst:}}}CURRENTTIME}}</code></li> <li><code>{{{|~~}}}~~</code></li> <li><code><nowiki>~~</nowiki>~~</code></li> <li><code>[[abc (def)|{{{|}}}]]</code></li> </ul> <p>The last example isn't very helpful, it's just there to show how it's similar to the other three examples.</p> <p>Another way is using the <code class="mw-highlight" style="white-space:nowrap"><span class="p">‎<</span><span class="nt">includeonly</span> <span class="p">/></span></code> tags.</p> <p>You can also use a template parameter to decide when to apply the conversion during template substitution. For example, <code>{{{{{subst1|}}}CURRENTTIME}}</code> converts if the <code>subst1</code> parameter equals <code>subst:</code> or <code>safesubst:</code>, otherwise, it doesn't if the parameter is empty or undefined.</p> <div class="mw-heading mw-heading2 ext-discussiontools-init-section"> <h2 id="Limits" data-mw-thread-id="h-Limits"><span data-mw-comment-start="" id="h-Limits"></span>Limits<span data-mw-comment-end="h-Limits"></span></h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="https://www-mediawiki-org.translate.goog/w/index.php?title=Help:Pre-save_transform&action=edit&section=2&_x_tr_sl=auto&_x_tr_tl=te&_x_tr_hl=te" title="Edit section: Limits"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span> </div> <p>Automatic conversions of wikitext won't happen in <code class="mw-highlight" style="white-space:nowrap"><span class="p">‎<</span><span class="nt">ref</span><span class="p">></span>...<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">gallery</span><span class="p">></span>...<span class="p">‎</</span><span class="nt">gallery</span><span class="p">></span></code> tags.<sup id="cite_ref-1" class="reference"><a href="https://www-mediawiki-org.translate.goog/wiki/Special:MyLanguage/Help:Pre-save_transform?_x_tr_sl=auto&_x_tr_tl=te&_x_tr_hl=te#cite_note-1"><span class="cite-bracket">[</span>1<span class="cite-bracket">]</span></a></sup></p> <div class="mw-heading mw-heading2 ext-discussiontools-init-section"> <h2 id="References" data-mw-thread-id="h-References"><span data-mw-comment-start="" id="h-References"></span>References<span data-mw-comment-end="h-References"></span></h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="https://www-mediawiki-org.translate.goog/w/index.php?title=Help:Pre-save_transform&action=edit&section=3&_x_tr_sl=auto&_x_tr_tl=te&_x_tr_hl=te" title="Edit section: References"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span> </div> <div class="mw-references-wrap"> <ol class="references"> <li id="cite_note-1"><span class="mw-cite-backlink"><a href="https://www-mediawiki-org.translate.goog/wiki/Special:MyLanguage/Help:Pre-save_transform?_x_tr_sl=auto&_x_tr_tl=te&_x_tr_hl=te#cite_ref-1">↑</a></span> <span class="reference-text"> <a href="https://translate.google.com/website?sl=auto&tl=te&hl=te&u=https://phabricator.wikimedia.org/T4700" class="extiw" title="phab:T4700">Pre-save transform skips extensions using wikitext (gallery, references, footnotes, Cite, status indicators, pipe trick, subst, signatures) (T4700)</a></span></li> </ol> </div> <div class="mw-heading mw-heading2 ext-discussiontools-init-section"> <h2 id="See_also" data-mw-thread-id="h-See_also"><span data-mw-comment-start="" id="h-See_also"></span>See also<span data-mw-comment-end="h-See_also"></span></h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="https://www-mediawiki-org.translate.goog/w/index.php?title=Help:Pre-save_transform&action=edit&section=4&_x_tr_sl=auto&_x_tr_tl=te&_x_tr_hl=te" title="Edit section: See also"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span> </div> <ul> <li><a href="https://www-mediawiki-org.translate.goog/wiki/Manual:Recursive_conversion_of_wikitext?_x_tr_sl=auto&_x_tr_tl=te&_x_tr_hl=te" title="Manual:Recursive conversion of wikitext">Help about recursive conversion of wikitext</a></li> </ul>   </div> <noscript> <img src="https://login.wikimedia.org/wiki/Special:CentralAutoLogin/start?type=1x1" alt="" width="1" height="1" style="border: none; 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