[just-url]: https://example.com
[url-with-short-title]: https://example.com "title"
[url-with-long-title]: https://example.com "a long, long title. It's really really long. Here have words."
[empty-title]: https://example.com "" 

[long]: https://example.com/a-long-url/another-segment/yet-another-segment/a-really-long-file-name.php.aspx 
[long-with-title]: https://example.com/a-long-url/another-segment/yet-another-segment/a-really-long-file-name.php.aspx "look a title!"
[long-with-empty-title]: https://example.com/a-long-url/another-segment/yet-another-segment/a-really-long-file-name.php.aspx ""