<svg xmlns="http://www.w3.org/2000/svg">
  <style>
    @font-face {
      font-family: "Liberation";
      src: url(resources/svg.woff);
    }
  </style>
  <mask id="m" x="0" y="0" width="200" height="200">
    <text x="20" y="150" style="font: 100px Liberation">L</text>
  </mask>
  <rect width="200" height="200" mask="url(#m)"/>
</svg>