AT&T has an ampersand in their name.

AT&amp;T is another way to write it.

This & that.

4 < 5.

6 > 5.

Here's a [link] [1] with an ampersand in the URL.

Here's a link with an amersand in the link text: [AT&T] [2].

Here's an inline [link](/script?foo=1&bar=2).

Here's an inline [link](</script?foo=1&bar=2>).


[1]: http://example.com/?foo=1&bar=2
[2]: http://att.com/  "AT&T"
