<p>inside of brackets [<ahref="http://example.com">http://example.com</a>], inside of braces {<ahref="http://example.com">http://example.com</a>}, inside of parentheses (<ahref="http://example.com">http://example.com</a>)</p>
<p>trailing slash <ahref="http://example.com/">http://example.com/</a> and <ahref="http://example.com/path/">http://example.com/path/</a></p>