gentoo-overlay/media-gfx/pstoedit/metadata.xml

<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE pkgmetadata SYSTEM "http://www.gentoo.org/dtd/metadata.dtd">
<pkgmetadata>
  <herd>tex</herd>
  <herd>printing</herd>
  <use>
    <flag name='emf'>Enable <pkg>media-libs/libemf</pkg> support</flag>
    <flag name='flash'>Enable <pkg>media-libs/ming</pkg> SWF support</flag>
    <flag name='pptx'>Enable support for generating PowerPoint pptx files</flag>
  </use>
</pkgmetadata>