font-RobotoMono/sources/RobotoMono-Regular.ufo/glyphs.background/U_macron.smcp.glif

<?xml version='1.0' encoding='UTF-8'?>
<glyph name="Umacron.smcp" format="2">
  <advance width="500"/>
  <outline>
    <component base="U.smcp"/>
    <component base="macron" xOffset="35" yOffset="38"/>
  </outline>
</glyph>