![Alt text](/path/to/img.jpg)

![Alt text](/path/to/img.jpg "Optional title")

Inline within a paragraph: [alt text](/url/).

![alt text](/url/  "title preceded by two spaces")

![alt text](/url/  "title has spaces afterward"  )

![alt text](</url/>)

![alt text](</url/> "with a title").

![Empty]()

![this is a stupid URL](http://example.com/(parens).jpg)


![alt text][foo]

  [foo]: /url/

![alt text][bar]

  [bar]: /url/ "Title here"