fix: Recognize links with multi-line text

Issue #31: #31
PR #32: #32

src/mkdocs_autorefs/references.py

@@ -18,6 +18,7 @@
 AUTO_REF_RE = re.compile(
     r"<span data-(?P<kind>autorefs-identifier|autorefs-optional|autorefs-optional-hover)="
     r'("?)(?P<identifier>[^"<>]*)\2>(?P<title>.*?)</span>',
+    flags=re.DOTALL,
 )
 """A regular expression to match mkdocs-autorefs' special reference markers
 in the [`on_post_page` hook][mkdocs_autorefs.plugin.AutorefsPlugin.on_post_page].

tests/test_references.py

@@ -111,6 +111,15 @@ def test_reference_to_relative_path() -> None:
     )
 
 
+def test_multiline_links() -> None:
+    """Check that links with multiline text are recognized."""
+    run_references_test(
+        url_map={"foo-bar": "foo.html#bar"},
+        source="This [Foo\nbar][foo-bar].",
+        output='<p>This <a class="autorefs autorefs-internal" href="foo.html#bar">Foo\nbar</a>.</p>',
+    )
+
+
 def test_no_reference_with_space() -> None:
     """Check that references with spaces are not fixed."""
     run_references_test(