1. Turns out the 2 JSON structures enable safe entity expansion just like twitter entities.

    In my reply contexts I am not wanting to embed 3rd party HTML in my site, so I take the p-summary and strip tags. But, I want embedded h-cards to be expanded just like at-mentions on twitter. Pseudocode:

    let h-card = canonical JSON structure for a note, with .summary as a plaintext representation of the content;
    for item in h-card.children:
     if not in_array('h-card', item.type) continue;
     let html = HTML representation of the child from properties.url, name, etc;
     replace item.value in h-card.summary with html

    Example here.

  2. That excellent post of Tantek Çelik’s, like all well–hyperlinked documents, lead me to a whole raft of great resources I hadn’t come across before:

    (In other news: I need to make a “dump tabs into new note dialog” browser )