code: function writeNotes() {
    let output = '';
    let compatNotes = collectCompatNotes();
    for (let note of compatNotes) {
      let noteIndex = compatNotes.indexOf(note);
      output += `<p id=compatNote_${noteIndex+1}>${noteIndex+1}. ${note}</p>`;
    }
    return output;
  }
docs: /*
  Write each compat note, with an `id` so it will be linked from the table.