test/common_mark/images.unit

>>> Images - 543
![foo](/url "title")
<<<
<p><img src="/url" alt="foo" title="title" /></p>
>>> Images - 544
![foo *bar*]

[foo *bar*]: train.jpg "train & tracks"
<<<
<p><img src="train.jpg" alt="foo bar" title="train &amp; tracks" /></p>
>>> Images - 545
![foo ![bar](/url)](/url2)
<<<
<p>![foo <img src="/url" alt="bar" />](/url2)</p>
>>> Images - 546
![foo [bar](/url)](/url2)
<<<
<p><img src="/url2" alt="foo bar" /></p>
>>> Images - 547
![foo *bar*][]

[foo *bar*]: train.jpg "train & tracks"
<<<
<p><img src="train.jpg" alt="foo bar" title="train &amp; tracks" /></p>
>>> Images - 548
![foo *bar*][foobar]

[FOOBAR]: train.jpg "train & tracks"
<<<
<p><img src="train.jpg" alt="foo bar" title="train &amp; tracks" /></p>
>>> Images - 549
![foo](train.jpg)
<<<
<p><img src="train.jpg" alt="foo" /></p>
>>> Images - 550
My ![foo bar](/path/to/train.jpg  "title"   )
<<<
<p>My <img src="/path/to/train.jpg" alt="foo bar" title="title" /></p>
>>> Images - 551
![foo](<url>)
<<<
<p><img src="url" alt="foo" /></p>
>>> Images - 552
![](/url)
<<<
<p><img src="/url" alt="" /></p>
>>> Images - 553
![foo][bar]

[bar]: /url
<<<
<p><img src="/url" alt="foo" /></p>
>>> Images - 554
![foo][bar]

[BAR]: /url
<<<
<p><img src="/url" alt="foo" /></p>
>>> Images - 555
![foo][]

[foo]: /url "title"
<<<
<p><img src="/url" alt="foo" title="title" /></p>
>>> Images - 556
![*foo* bar][]

[*foo* bar]: /url "title"
<<<
<p><img src="/url" alt="foo bar" title="title" /></p>
>>> Images - 557
![Foo][]

[foo]: /url "title"
<<<
<p><img src="/url" alt="Foo" title="title" /></p>
>>> Images - 558
![foo] 
[]

[foo]: /url "title"
<<<
<p><img src="/url" alt="foo" title="title" /> 
[]</p>
>>> Images - 559
![foo]

[foo]: /url "title"
<<<
<p><img src="/url" alt="foo" title="title" /></p>
>>> Images - 560
![*foo* bar]

[*foo* bar]: /url "title"
<<<
<p><img src="/url" alt="foo bar" title="title" /></p>
>>> Images - 561
![[foo]]

[[foo]]: /url "title"
<<<
<p>![[foo]]</p>
<p>[[foo]]: /url "title"</p>
>>> Images - 562
![Foo]

[foo]: /url "title"
<<<
<p><img src="/url" alt="Foo" title="title" /></p>
>>> Images - 563
!\[foo]

[foo]: /url "title"
<<<
<p>![foo]</p>
>>> Images - 564
\![foo]

[foo]: /url "title"
<<<
<p>!<a href="/url" title="title">foo</a></p>