[TASK] Add information about TYPO3 trademark to about+login

Resolves: #108274
Releases: main, 13.4, 12.4
Change-Id: I84b6cccd9b54141fbd18ca4d76afe854df78f627
Reviewed-on: https://review.typo3.org/c/Packages/TYPO3.CMS/+/91836
Tested-by: Sven Liebert <mail@sven-liebert.de>
Tested-by: core-ci <typo3@b13.com>
Tested-by: Oliver Hader <oliver.hader@typo3.org>
Reviewed-by: Oliver Hader <oliver.hader@typo3.org>
Reviewed-by: Sven Liebert <mail@sven-liebert.de>
Reviewed-by: Stefan Bürk <stefan@buerk.tech>
Tested-by: Stefan Bürk <stefan@buerk.tech>

Author: garvinhicking

typo3/sysext/backend/Classes/Controller/AboutController.php

@@ -58,6 +58,7 @@ public function handleRequest(ServerRequestInterface $request): ResponseInterfac
             'typo3Info' => $this->typo3Information,
             'typo3Version' => $this->version,
             'donationUrl' => $this->typo3Information::URL_DONATE,
+            'trademarkUrl' => $this->typo3Information::URL_TRADEMARK,
             'loadedExtensions' => $this->getLoadedExtensions(),
             'messages' => $event->getMessages(),
             'modules' => $this->moduleProvider->getModules($this->getBackendUser()),

typo3/sysext/backend/Resources/Private/Language/locallang_login.xlf

@@ -69,6 +69,9 @@
 			<trans-unit id="extension.copyright">
 				<source>Extensions are copyright of their respective owners.</source>
 			</trans-unit>
+			<trans-unit id="extension.trademark">
+				<source>TYPO3 is a registered %strademark%s.</source>
+			</trans-unit>
 			<trans-unit id="details.link">
 				<source>Go to %s for details.</source>
 			</trans-unit>

typo3/sysext/backend/Resources/Private/Partials/About/About.fluid.html

@@ -2,6 +2,13 @@
     {f:translate(key: 'LLL:EXT:backend/Resources/Private/Language/Modules/about.xlf:cms_description',
         arguments: '{
             0: "© {typo3Info.copyrightYear}",
-            1: "Kasper Skårhøj"
+            1: "Kasper Skårhøj."
+    }') -> f:format.raw()}
+</p>
+<p>
+    {f:translate(key: 'LLL:EXT:backend/Resources/Private/Language/locallang_login.xlf:extension.trademark',
+        arguments: '{
+            0: "<a href=\"{trademarkUrl}\" target=\"_blank\" rel=\"noreferrer\">",
+            1: "</a>"
     }') -> f:format.raw()}
 </p>

typo3/sysext/core/Classes/Information/Typo3Information.php

@@ -30,6 +30,7 @@ class Typo3Information
     public const URL_LICENSE = 'https://typo3.org/project/licenses/';
     public const URL_EXCEPTION = 'https://typo3.org/go/exception/CMS/';
     public const URL_DONATE = 'https://typo3.org/community/contribute/donate/';
+    public const URL_TRADEMARK = 'https://typo3.org/trademark';
     private const URL_DOCS = 'https://docs.typo3.org/permalink/%s@%s';
 
     protected LanguageService $languageService;
@@ -105,6 +106,11 @@ public function getCopyrightNotice(): string
             $this->languageService->sL('LLL:EXT:backend/Resources/Private/Language/locallang_login.xlf:copyright') . ' © '
             . htmlspecialchars($this->getCopyrightYear()) . ' Kasper Skårhøj. ' .
             $this->languageService->sL('LLL:EXT:backend/Resources/Private/Language/locallang_login.xlf:extension.copyright') . ' ' .
+            sprintf(
+                $this->languageService->sL('LLL:EXT:backend/Resources/Private/Language/locallang_login.xlf:extension.trademark'),
+                '<a href="' . htmlspecialchars(static::URL_TRADEMARK) . '" target="_blank" rel="noreferrer">',
+                '</a>'
+            ) . ' ' .
             sprintf(
                 $this->languageService->sL('LLL:EXT:backend/Resources/Private/Language/locallang_login.xlf:details.link'),
                 '<a href="' . htmlspecialchars(static::URL_COMMUNITY) . '" target="_blank" rel="noreferrer">' . htmlspecialchars(static::URL_COMMUNITY) . '</a>'