How to use markdown for the video description?

Background

When uploading or editing a video, you can use the markdown language to enhance your video description.

Answer

The video description field supports standard markdown as defined by CommonMark.

The main formatting options are outlined on https://commonmark.org/help/ and include:

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 *italic* or _italic_ **bold** or __bold__ # heading 1 ## heading 2 [Link](http://a.com) * list * list * list 1. numbered list 2. numbered list 3. numbered list --- horizontal rule