Log Message:
Update to 2.043

Upstream changes:
2.043     2021-12-07

    - Restores backward compatibility (with a warning) when the deprecated
      $pdf->pageLabel is given an invalid -style option starting with \ 
"a" or
      "r" (report by Johan Vromans).

    - Fix incorrect default in documentation for annotation borders (report and
      patch by Johan Vromans).