@ -2987,6 +2987,12 @@ https://...</pre>
<li>
<a href="http://ifwiki.org/index.php/Hugor">Hugor</a>
</li>
<a href="http://www.qtrac.eu/diffpdf.html">DiffPDF</a>
<a href="http://pdfgrep.sourceforge.net/">Pdfgrep</a>
</ul>
</div>