[BUGFIX] Remove outdated comment regarding `capitalWords` in `f:format.case`

Resolves: #103142
Releases: main, 12.4, 11.5
Change-Id: I31e5af71aa0e1a9104f8c154a6f0e34f29c90a77
Reviewed-on: https://review.typo3.org/c/Packages/TYPO3.CMS/+/83034


Reviewed-by: Benjamin Franzke <ben@bnf.dev>
Tested-by: Guido Schmechel <guido.schmechel@brandung.de>
Reviewed-by: Andreas Kienast <a.fernandez@scripting-base.de>
Reviewed-by: Guido Schmechel <guido.schmechel@brandung.de>
Reviewed-by: Torben Hansen <derhansen@gmail.com>
Tested-by: core-ci <typo3@b13.com>
Tested-by: Torben Hansen <derhansen@gmail.com>
Tested-by: Benjamin Franzke <ben@bnf.dev>
Tested-by: Andreas Kienast <a.fernandez@scripting-base.de>

typo3/sysext/fluid/Classes/ViewHelpers/Format/CaseViewHelper.php

@@ -41,7 +41,7 @@ use TYPO3Fluid\Fluid\Core\ViewHelper\Traits\CompileWithRenderStatic;
  *   Transforms the input string to its first letter lower-cased, i.e. uncapitalization
  *
  * ``capitalWords``
- *   Not supported yet: Transforms the input string to each containing word being capitalized
+ *   Transforms the input string to each containing word being capitalized
  *
  * Note that the behavior will be the same as in the appropriate PHP function `mb_convert_case`_;
  * especially regarding locale and multibyte behavior.

typo3/sysext/fluid/Tests/Functional/ViewHelpers/Format/CaseViewHelperTest.php

@@ -57,6 +57,10 @@ final class CaseViewHelperTest extends FunctionalTestCase
                 '<f:format.case value="FOO Bar" mode="uncapital" />',
                 'fOO Bar',
             ],
+            'mode capital words' => [
+                '<f:format.case value="foo bar baz" mode="capitalWords" />',
+                'Foo Bar Baz',
+            ],
             'special chars 1' => [
                 '<f:format.case value="smørrebrød" mode="upper" />',
                 'SMØRREBRØD',