fixed subscription table

.venv/lib/python3.12/site-packages/markdown_it/_compat.py

@@ -0,0 +1,11 @@
+from __future__ import annotations
+
+from collections.abc import Mapping
+import sys
+from typing import Any
+
+DATACLASS_KWARGS: Mapping[str, Any]
+if sys.version_info >= (3, 10):
+    DATACLASS_KWARGS = {"slots": True}
+else:
+    DATACLASS_KWARGS = {}