font-RobotoMono/sources/RobotoMono-Regular.ufo/glyphs.background/imacron.glif

<?xml version='1.0' encoding='UTF-8'?>
<glyph name="imacron" format="2">
  <advance width="500"/>
  <unicode hex="012B"/>
  <outline>
    <component base="dotlessi"/>
    <component base="macron" xOffset="56" yOffset="-12"/>
  </outline>
</glyph>