Ticket #20897: 20897.2.diff

wp-includes/deprecated.php

@@ -3111 +3111 @@
                 'Status' => $theme->get('Status'),
                 'Tags' => $theme->get('Tags'),
                 'Title' => $theme->get('Name'),
-                'AuthorName' => $theme->display('Author', false, false),
+                'AuthorName' => $theme->get('Author'),
         );
 
+        foreach ( apply_filters( 'extra_theme_headers', array() ) as $extra_header ) {
+                if( in_array( $extra_header, array( 'URI', 'Description', 'Author', 'AuthorURI' ) ) ) continue;
+                $theme_data[ $extra_header ] = $theme->get( $extra_header );
+        }
+
         return $theme_data;
 }