feat: add new-tab links and removable media previews (1.7.3)

src/Content/RichText.php

@@ -21,7 +21,7 @@ final class RichText
         'strong' => [], 'b' => [], 'em' => [], 'i' => [], 'u' => [], 's' => [],
         'code' => [], 'mark' => [], 'sup' => [], 'sub' => [],
         'ul' => [], 'ol' => [], 'li' => [],
-        'a' => ['href'],
+        'a' => ['href', 'target'],
     ];
     /** Tags whose content is dropped along with them; unwrapping them would leak code as text. */
     private const DROP_ENTIRELY = ['script', 'style', 'iframe', 'object', 'embed', 'template', 'noscript', 'svg', 'math'];
@@ -121,7 +121,10 @@ final class RichText
                     continue;
                 }
                 $child->setAttribute('href', $href);
-                if (str_starts_with($href, 'https://')) {
+                if ('_blank' !== $child->getAttribute('target')) {
+                    $child->removeAttribute('target');
+                }
+                if ('_blank' === $child->getAttribute('target') || str_starts_with($href, 'https://')) {
                     $child->setAttribute('rel', 'noopener');
                 }
             }