<div class="_markdown_404681">
  <p>
    #text "Opening line carries math:\n$$a+b\nc+d$$"
  <p>
    #text "Closing fence alone on its own line:\n$$\\theta\n\\varphi\n$$"
  <ul>
    <li>
      #text "list item keeps column-zero display math outside the item\n$$\\psi\n\\omega$$"
