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

<?xml version='1.0' encoding='UTF-8'?>
<glyph name="Omicrontonos" format="2">
  <advance width="1229"/>
  <unicode hex="038C"/>
  <outline>
    <component base="O" xOffset="10"/>
    <component base="tonos" xOffset="-554"/>
  </outline>
</glyph>