code: def test_misc_ref(self):
      self.assertMarkdownRenders(
          self.dedent(
              """
                  ![Poster][]
  
                  [Poster]:http://humane_man.jpg "The most humane man."
                  """
          ),
          self.dedent(
              """
                  <p><img alt="Poster" src="http://humane_man.jpg" title="The most humane man." /></p>
                  """
          ),
      )
  
imports: from markdown.test_tools import TestCase
label_desc: Use image node_id 17 for calling the TestAdvancedImages obj's underlying member method code with example usage: obj.test_misc_ref() without return types