font-RobotoMono/sources/RobotoMono-Regular.ufo/glyphs/O_macron.glif

<?xml version='1.0' encoding='UTF-8'?>
<glyph name="Omacron" format="2">
  <advance width="1229"/>
  <unicode hex="014C"/>
  <outline>
    <component base="O"/>
    <component base="macron" xOffset="23" yOffset="351"/>
  </outline>
</glyph>