AT&T has an ampersand in their name.

AT&T is another way to write it.

This & that.

4 < 5 and 6 > 5.

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

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

[1]: http://example.com/?foo=1&bar=2

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Based on [the original](http://daringfireball.net/projects/downloads/MarkdownTest_1.0.zip) test suite.