Collapse all whitespace in reference ids (#743)

Previously only newlines preceded by whitespace were collapsed. Fixes #742.

1 files changed, 37 insertions, 0 deletions

diff --git a/tests/test_syntax/inline/test_links.py b/tests/test_syntax/inline/test_links.py
index e147c82..988e041 100644
--- a/tests/test_syntax/inline/test_links.py
+++ b/tests/test_syntax/inline/test_links.py
@@ -134,3 +134,40 @@ class TestAdvancedLinks(TestCase):
             '[title](http://example.com/?a=1&b=2)',
             '<p><a href="http://example.com/?a=1&#x26;b=2">title</a></p>'
         )
+
+    def test_reference_newlines(self):
+        """Test reference id whitespace cleanup."""
+
+        self.assertMarkdownRenders(
+            self.dedent(
+                """
+                Two things:
+
+                 - I would like to tell you about the [code of
+                   conduct][] we are using in this project.
+                 - Only one in fact.
+
+                [code of conduct]: https://github.com/Python-Markdown/markdown/blob/master/CODE_OF_CONDUCT.md
+                """
+            ),
+            '<p>Two things:</p>\n<ul>\n<li>I would like to tell you about the '
+            '<a href="https://github.com/Python-Markdown/markdown/blob/master/CODE_OF_CONDUCT.md">code of\n'
+            '   conduct</a> we are using in this project.</li>\n<li>Only one in fact.</li>\n</ul>'
+        )
+
+    def test_reference_across_blocks(self):
+        """Test references across blocks."""
+
+        self.assertMarkdownRenders(
+            self.dedent(
+                """
+                I would like to tell you about the [code of
+
+                conduct][] we are using in this project.
+
+                [code of conduct]: https://github.com/Python-Markdown/markdown/blob/master/CODE_OF_CONDUCT.md
+                """
+            ),
+            '<p>I would like to tell you about the [code of</p>\n'
+            '<p>conduct][] we are using in this project.</p>'
+        )