Merge branch '3.1' into 5.2

diff --cc wcfsetup/install/lang/de.xml
index eebb3312a379c79ff503300be3cccd3d8d4c3c6b,8d9ef9232c7f399f508cf54487ad40e82490f01e..4186ed79fc92a2d40b8e695bdf922a45e9d9f00a
--- 1/wcfsetup/install/lang/de.xml
--- 2/wcfsetup/install/lang/de.xml
+++ b/wcfsetup/install/lang/de.xml
@@@ -2682,14 -1807,7 +2682,14 @@@ Kein Abschnitt darf leer sein und alle 
                <item name="wcf.acp.sitemap.rebuildTime.description"><![CDATA[Die Zeit nachdem die Sitemap erneuert werden soll.]]></item>
                <item name="wcf.acp.sitemap.isDisabled"><![CDATA[Sitemap deaktivieren]]></item>
                <item name="wcf.acp.sitemap.edit"><![CDATA[Sitemap bearbeiten]]></item>
-               <item name="wcf.acp.sitemap.cliInfo"><![CDATA[Die Sitemap kann auch mittels CLI neu generiert werden. {if LANGUAGE_USE_INFORMAL_VARIANT}Führe{else}Führen Sie{/if} dafür <kbd>worker wcf\system\worker\SitemapRebuildWorker</kbd> in einer CLI Session aus.]]></item>
+               <item name="wcf.acp.sitemap.cliInfo"><![CDATA[Die Sitemap kann auch mittels CLI neu generiert werden. {if LANGUAGE_USE_INFORMAL_VARIANT}Führe{else}Führen Sie{/if} dafür <kbd>worker wcf\\system\\worker\\SitemapRebuildWorker</kbd> in einer CLI Session aus.]]></item>
 +              <item name="wcf.acp.sitemap.submitToSearchEngines"><![CDATA[<p>Die generierte Sitemap muss einmalig bei den gewünschten Suchmaschinen manuell hinterlegt werden, die vollständige Adresse lautet: <kbd>{$__wcf->getPath()}sitemaps/sitemap.xml</kbd>.</p>
 +<p><br></p>
 +<p>Anleitung zum Hinterlegen der XML-Sitemaps:</p>
 +<ul class="nativeList">
 +      <li><a href="https://support.google.com/webmasters/answer/7451001" class="externalURL">Google</a></li>
 +      <li><a href="https://www.bing.com/webmaster/help/how-to-submit-sitemaps-82a15bd4" class="externalURL">Bing</a></li>
 +</ul>]]></item>
                <item name="wcf.acp.sitemap.objectType.com.woltlab.wcf.sitemap.object.user"><![CDATA[Benutzer]]></item>
                <item name="wcf.acp.sitemap.objectType.com.woltlab.wcf.sitemap.object.articleCategory"><![CDATA[Artikel-Kategorien]]></item>
                <item name="wcf.acp.sitemap.objectType.com.woltlab.wcf.sitemap.object.article"><![CDATA[Artikel]]></item>

diff --cc wcfsetup/install/lang/en.xml
index 9c6ae604656c8aca67c8efd35860624190d45d1b,7dcb7ea049d110bd3a46d5fedd5a48759e5683fe..98631d1d522239b2eaba659896a0752f41860a72
--- 1/wcfsetup/install/lang/en.xml
--- 2/wcfsetup/install/lang/en.xml
+++ b/wcfsetup/install/lang/en.xml
@@@ -2609,14 -1750,7 +2609,14 @@@ If you have <strong>already bought the 
                <item name="wcf.acp.sitemap.rebuildTime.description"><![CDATA[Time interval after which the sitemap has to be rebuilt.]]></item>
                <item name="wcf.acp.sitemap.isDisabled"><![CDATA[Disable Sitemap]]></item>
                <item name="wcf.acp.sitemap.edit"><![CDATA[Edit Sitemap]]></item>
-               <item name="wcf.acp.sitemap.cliInfo"><![CDATA[You can rebuild the sitemap using CLI. For that, execute <kbd>worker wcf\system\worker\SitemapRebuildWorker</kbd> in a CLI session.]]></item>
+               <item name="wcf.acp.sitemap.cliInfo"><![CDATA[You can rebuild the sitemap using CLI. For that, execute <kbd>worker wcf\\system\\worker\\SitemapRebuildWorker</kbd> in a CLI session.]]></item>
 +              <item name="wcf.acp.sitemap.submitToSearchEngines"><![CDATA[<p>The generated sitemap needs to be submitted once to the search engines, please provide this link: <kbd>{$__wcf->getPath()}sitemaps/sitemap.xml</kbd>.</p>
 +<p><br></p>
 +<p>Instructions for submitting the sitemap:</p>
 +<ul class="nativeList">
 +      <li><a href="https://support.google.com/webmasters/answer/7451001" class="externalURL">Google</a></li>
 +      <li><a href="https://www.bing.com/webmaster/help/how-to-submit-sitemaps-82a15bd4" class="externalURL">Bing</a></li>
 +</ul>]]></item>
                <item name="wcf.acp.sitemap.objectType.com.woltlab.wcf.sitemap.object.user"><![CDATA[Users]]></item>
                <item name="wcf.acp.sitemap.objectType.com.woltlab.wcf.sitemap.object.articleCategory"><![CDATA[Article categories]]></item>
                <item name="wcf.acp.sitemap.objectType.com.woltlab.wcf.sitemap.object.article"><![CDATA[Articles]]></item>