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<!DOCTYPE html>
<meta charset="utf-8">
<link rel="author" title="Ting-Yu Lin" href="mailto:tlin@mozilla.com">
<link rel="author" title="Mozilla" href="https://www.mozilla.org/">
<div style="columns: 2;">
<div style="display: flex;">
<textarea></textarea>
<input>
</div>
</div>