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diff --git a/tests/test_syntax/inline/test_emphasis.py b/tests/test_syntax/inline/test_emphasis.py
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+"""
+Python Markdown
+
+A Python implementation of John Gruber's Markdown.
+
+Documentation: https://python-markdown.github.io/
+GitHub: https://github.com/Python-Markdown/markdown/
+PyPI: https://pypi.org/project/Markdown/
+
+Started by Manfred Stienstra (http://www.dwerg.net/).
+Maintained for a few years by Yuri Takhteyev (http://www.freewisdom.org).
+Currently maintained by Waylan Limberg (https://github.com/waylan),
+Dmitry Shachnev (https://github.com/mitya57) and Isaac Muse (https://github.com/facelessuser).
+
+Copyright 2007-2019 The Python Markdown Project (v. 1.7 and later)
+Copyright 2004, 2005, 2006 Yuri Takhteyev (v. 0.2-1.6b)
+Copyright 2004 Manfred Stienstra (the original version)
+
+License: BSD (see LICENSE.md for details).
+"""
+
+from markdown.test_tools import TestCase
+
+
+class TestNotEmphasis(TestCase):
+
+    def test_standalone_asterisk(self):
+        self.assertMarkdownRenders(
+            '*',
+            '<p>*</p>'
+        )
+
+    def test_standalone_understore(self):
+        self.assertMarkdownRenders(
+            '_',
+            '<p>_</p>'
+        )
+
+    def test_standalone_asterisk_in_text(self):
+        self.assertMarkdownRenders(
+            'foo * bar',
+            '<p>foo * bar</p>'
+        )
+
+    def test_standalone_understore_in_text(self):
+        self.assertMarkdownRenders(
+            'foo _ bar',
+            '<p>foo _ bar</p>'
+        )
+
+    def test_standalone_asterisks_in_text(self):
+        self.assertMarkdownRenders(
+            'foo * bar * baz',
+            '<p>foo * bar * baz</p>'
+        )
+
+    def test_standalone_understores_in_text(self):
+        self.assertMarkdownRenders(
+            'foo _ bar _ baz',
+            '<p>foo _ bar _ baz</p>'
+        )
+
+    def test_standalone_asterisks_with_newlines(self):
+        self.assertMarkdownRenders(
+            'foo\n* bar *\nbaz',
+            '<p>foo\n* bar *\nbaz</p>'
+        )
+
+    def test_standalone_understores_with_newlines(self):
+        self.assertMarkdownRenders(
+            'foo\n_ bar _\nbaz',
+            '<p>foo\n_ bar _\nbaz</p>'
+        )
+
+    def test_standalone_asterisks_at_end(self):
+        self.assertMarkdownRenders(
+            'foo * bar *',
+            '<p>foo * bar *</p>'
+        )
+
+    def test_standalone_understores_at_begin_end(self):
+        self.assertMarkdownRenders(
+            '_ bar _',
+            '<p>_ bar _</p>'
+        )
+
+    def test_complex_emphasis_asterisk(self):
+        self.assertMarkdownRenders(
+            'This is text **bold *italic bold*** with more text',
+            '<p>This is text <strong>bold <em>italic bold</em></strong> with more text</p>'
+        )
+
+    def test_complex_emphasis_asterisk_mid_word(self):
+        self.assertMarkdownRenders(
+            'This is text **bold*italic bold*** with more text',
+            '<p>This is text <strong>bold<em>italic bold</em></strong> with more text</p>'
+        )
+
+    def test_complex_emphasis_smart_underscore(self):
+        self.assertMarkdownRenders(
+            'This is text __bold _italic bold___ with more text',
+            '<p>This is text <strong>bold <em>italic bold</em></strong> with more text</p>'
+        )
+
+    def test_complex_emphasis_smart_underscore_mid_word(self):
+        self.assertMarkdownRenders(
+            'This is text __bold_italic bold___ with more text',
+            '<p>This is text __bold_italic bold___ with more text</p>'
+        )
+
+    def test_nested_emphasis(self):
+
+        self.assertMarkdownRenders(
+            'This text is **bold *italic* *italic* bold**',
+            '<p>This text is <strong>bold <em>italic</em> <em>italic</em> bold</strong></p>'
+        )
+
+    def test_complex_multple_emphasis_type(self):
+
+        self.assertMarkdownRenders(
+            'traced ***along*** bla **blocked** if other ***or***',
+            '<p>traced <strong><em>along</em></strong> bla <strong>blocked</strong> if other <strong><em>or</em></strong></p>'  # noqa: E501
+        )
+
+    def test_complex_multple_emphasis_type_variant2(self):
+
+        self.assertMarkdownRenders(
+            'on the **1-4 row** of the AP Combat Table ***and*** receive',
+            '<p>on the <strong>1-4 row</strong> of the AP Combat Table <strong><em>and</em></strong> receive</p>'
+        )