Make language spec optional

adamchainz · Aug 1, 2023 · 9e1640b · 9e1640b
1 parent cc80abd
commit 9e1640b
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/src/blacken_docs/__init__.py b/src/blacken_docs/__init__.py
@@ -28,7 +28,7 @@
 )
 MYST_RE = re.compile(
     r"(?P<before>"
-    r"^(?P<indent>\s*)```(\s*{code-cell})?\s*(?P<lang>\w+)"
+    r"^(?P<indent>\s*)```(\s*{code-cell})?\s*(?P<lang>\w+)?"
     r"(?P<yaml>\n---\n.*?\n---)?"
     r"\n)"
     r"(?P<code>.*?)"