cat <<EOF
<blockquote class="post">
	<div class="meta">
		<span class="username">$1</span
		><span class="at">@</span
		><span class="instance"><a href="https://$2/" target="_blank">$2</a></span>
		at
		<span class="timestamp date date-rfc3339">$3</span>
	</div>
	<div class="contents">$4</div>
</blockquote>
EOF