diff -r be944660c56a -r 3d72ae0968f4 wp/wp-includes/Text/Diff.php
--- a/wp/wp-includes/Text/Diff.php	Wed Sep 21 18:19:35 2022 +0200
+++ b/wp/wp-includes/Text/Diff.php	Tue Sep 27 16:37:53 2022 +0200
@@ -260,18 +260,18 @@
     function _check($from_lines, $to_lines)
     {
         if (serialize($from_lines) != serialize($this->getOriginal())) {
-            trigger_error("Reconstructed original doesn't match", E_USER_ERROR);
+            trigger_error("Reconstructed original does not match", E_USER_ERROR);
         }
         if (serialize($to_lines) != serialize($this->getFinal())) {
-            trigger_error("Reconstructed final doesn't match", E_USER_ERROR);
+            trigger_error("Reconstructed final does not match", E_USER_ERROR);
         }
 
         $rev = $this->reverse();
         if (serialize($to_lines) != serialize($rev->getOriginal())) {
-            trigger_error("Reversed original doesn't match", E_USER_ERROR);
+            trigger_error("Reversed original does not match", E_USER_ERROR);
         }
         if (serialize($from_lines) != serialize($rev->getFinal())) {
-            trigger_error("Reversed final doesn't match", E_USER_ERROR);
+            trigger_error("Reversed final does not match", E_USER_ERROR);
         }
 
         $prevtype = null;