$def with (card)
$var breadcrumbs = ("pub", "Content", "cards", "Cards")
$ title = card.get("name", card["nickname"])
$var title: $title[0]
$var subtitle: $card["nickname"][0]

<div id=photos>
<ul>
$for photo in card.get("photo", []):
    <li>$photo</li>
</ul>
</div>

<div id=urls>
<ul>
$for url in card.get("url", []):
    <li>$url</li>
</ul>
</div>

<p><strong>$card["visibility"][0]</strong></p>

<button id=save>Save</button>

<script>
_.load(() => {
  const mp = new _.Micropub('/pub')
  let changes = {add: {}, remove: {}, replace: {}}
  _('#urls').append('<button id=add_url>Add</button>')
  _('#add_url').click(() => {
    const url = prompt('Enter a URL associated with the given card:')
    if (!('url' in changes.add))
      changes.add.url = []
    changes.add.url.push(url)
  })
  _('#photos').append('<button id=add_photo>Add</button>')
  _('#add_photo').click(() => {
    const url = prompt('Enter a URL associated with the given card:')
    if (!('photo' in changes.add))
      changes.add.photo = []
    changes.add.photo.push(url)
  })
  _('#save').click(() => {
    mp.update('pub/cards/$card["nickname"][0]', changes)
  })
})
</script>