A list item doesn't need to have a nested list item parser, because the

line item parser handles the nested list.

src/MdToHTML.hs

@@ -341,7 +341,7 @@ parseListParaItemCommon = do
 
 -- Parse an unordered list item, which can be a line item or another list.
 parseUListItem :: ReadP MdToken
-parseUListItem = parseUListParaItem <++ parseUListLineItem <++ parseUListNested
+parseUListItem = parseUListParaItem <++ parseUListLineItem
 
 -- Parse an unordered list.
 parseUnorderedList :: ReadP MdToken