<svg xmlns="http://www.w3.org/2000/svg" width="198" height="100">
<style>
<![CDATA[@font-face{font-family:"ahem-data"; src:url('data:font/ttf;base64,invalidAsDataURL@');}]]>
</style>
<text x="50" y="50" font-family="ahem-data" font-size="16">Hello, World</text>
</svg>