<p><img src="/path/to/img.jpg" alt="Alt text" title="" /></p>

<p><img src="/path/to/img.jpg" alt="Alt text" title="Optional title" /></p>

<p>Inline within a paragraph: <a href="/url/">alt text</a>.</p>

<p><img src="/url/" alt="alt text" title="title preceded by two spaces" /></p>

<p><img src="/url/" alt="alt text" title="title has spaces afterward" /></p>

<p><img src="/url/" alt="alt text" title="" /></p>

<p><img src="/url/" alt="alt text" title="with a title" />.</p>

<p><img src="" alt="Empty" title="" /></p>

<p><img src="http://example.com/(parens).jpg" alt="this is a stupid URL" title="" /></p>

<p><img src="/url/" alt="alt text" /></p>

<p><img src="/url/" alt="alt text" title="Title here" /></p>