{% props id: String, href: String, label: String, inner_block: Slot %}
{#- A real link (`label` to `href`) whose read-only preview (`inner_block`) opens on hover or focus via `interestfor`. -#}
<a class="ui-hover-trigger" href="{{ href }}" interestfor="{{ id }}">{{ label }}</a>
<div class="ui-hover-card" id="{{ id }}" popover="hint">{{ inner_block }}</div>