gentoo-overlay/app-doc/psmark/metadata.xml

<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE pkgmetadata SYSTEM "https://www.gentoo.org/dtd/metadata.dtd">
<pkgmetadata>
<!-- maintainer-needed -->
<longdescription>Command-line Postscript watermark tool; simple, but useful 
for things like adding a watermark to outgoing or incoming faxes (eg, use 
with the sendfax command from net-misc/hylafax).
</longdescription>
</pkgmetadata>