HTML Entities and Unicode
=========================
An & in the Markdown file gets changed into `&` by Markdown.
< and > get changed into `<` and `>`.
You can enter [HTML entities](https://dev.w3.org/html5/html-author/charref)
like `©` and `£` directly into the Markdown:
©, £, §, ¶, ←, →, ♥, etc.
You can also paste unicode characters directly into the Markdown source and
they'll be rendered. Here's a few: ⌘ ⌥ ❄ ★ ☂
🍔
🤷
📚
🎒
✋
👓
🐅.