gentoo-overlay/x11-themes/elementary-xfce-icon-theme/metadata.xml

<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE pkgmetadata SYSTEM "https://www.gentoo.org/dtd/metadata.dtd">
<pkgmetadata>
  <maintainer type="project">
    <email>xfce@gentoo.org</email>
    <name>XFCE Team</name>
  </maintainer>
  <upstream>
    <remote-id type="github">shimmerproject/elementary-xfce</remote-id>
  </upstream>
</pkgmetadata>