FOP Extensions: Named destination link not working

Summary

Given is a link from Doc A to a named destination in Doc B. Since FOP 2.2 a fox:destination in Doc B does not work anymore as the link target in PDF output using Adobe Acrobat Reader DC. Same issue observed in FOP 2.3.

Observed behavior

When following the link in Doc A, the first page of Doc B is displayed.

Expected behavior

When following the link in Doc A, Doc B is opened at the named destination.

Test documents

Test documents also attached.

Doc A: sourceDoc.fo:

<fo:basic-link
  show-destination="new" text-decoration="underline"
  color="#0099D4"
  external-destination="url(targetDoc.pdf#dest=target)">
  Link to external PDF with anchor
</fo:basic-link>

Doc B: targetDoc.fo

<fo:block id="target"><fox:destination internal-destination="target"/>Target Anchor</fo:block>