@card-list.html
No prose in this file.
<!-- Reads data/cards.json, which its data attribute names. It writes a key-word of its own, which
renders like any other. -->
<template>
<ul>
${attrs.data.map((card) => html`<li><key-word>${card.name}</key-word>: ${card.about}</li>`)}
</ul>
</template>