Handle empty list item

graham-cmb · graham-cmb · commit 8a66fe6dfd20 · 2023-03-18T16:40:28.000-04:00
diff --git a/src/mistune/renderers/_list.py b/src/mistune/renderers/_list.py
@@ -28,7 +28,7 @@ def _render_list_item(renderer, parent, item, state):
         text += renderer.render_token(tok, state)
 
     lines = text.splitlines()
-    text = lines[0] + '\n'
+    text = (lines[0] if lines else '') + '\n'
     prefix = ' ' * len(leading)
     for line in lines[1:]:
         if line:
diff --git a/tests/fixtures/renderer_markdown.txt b/tests/fixtures/renderer_markdown.txt
@@ -277,3 +277,11 @@ hello
 
   2. item 2
 ````````````````````````````````
+
+```````````````````````````````` example
+- list
+- 
+.
+- list
+- 
+````````````````````````````````
