code: def test_abbr_multiple(self):
      self.assertMarkdownRenders(
          self.dedent(
              """
                  The HTML specification
                  is maintained by the W3C.
  
                  *[HTML]: Hyper Text Markup Language
                  *[W3C]:  World Wide Web Consortium
                  """
          ),
          self.dedent(
              """
                  <p>The <abbr title="Hyper Text Markup Language">HTML</abbr> specification
                  is maintained by the <abbr title="World Wide Web Consortium">W3C</abbr>.</p>
                  """
          ),
      )
  
file_path: markdown/tests/test_syntax/extensions/test_abbr.py
imports: from markdown.test_tools import TestCase
label_desc: Use image node_id 3 for calling the TestAbbr obj's underlying member method code with example usage: obj.test_abbr_multiple() without return types