gentoo-overlay/app-editors/gnome-latex/metadata.xml

<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE pkgmetadata SYSTEM "https://www.gentoo.org/dtd/metadata.dtd">
<pkgmetadata>
  <maintainer type="project">
    <email>gnome@gentoo.org</email>
    <name>Gentoo GNOME Desktop</name>
  </maintainer>
  <use>
    <flag name="latexmk">Install <pkg>dev-tex/latexmk</pkg> (used by default for the build tools)</flag>
    <flag name="rubber">Install <pkg>dev-tex/rubber</pkg> (can be used for the build tools)</flag>
  </use>
  <upstream>
    <remote-id type="gnome-gitlab">swilmet/gnome-latex</remote-id>
  </upstream>
</pkgmetadata>