font-RobotoMono/sources/RobotoMono-BoldItalic.ufo/glyphs.background/umacron.glif

<?xml version='1.0' encoding='UTF-8'?>
<glyph name="umacron" format="2">
  <advance width="500"/>
  <unicode hex="016B"/>
  <outline>
    <component base="u"/>
    <component base="macron" xOffset="-4" yOffset="-20"/>
  </outline>
</glyph>