consistent li items for loose list

Parsedown.php

@@ -547,6 +547,8 @@ class Parsedown
             {
                 $Block['li']['text'] []= '';
 
+                $Block['loose'] = true;
+
                 unset($Block['interrupted']);
             }
 
@@ -595,6 +597,22 @@ class Parsedown
         }
     }
 
+    protected function blockListComplete(array $Block)
+    {
+        if (isset($Block['loose']))
+        {
+            foreach ($Block['element']['text'] as &$li)
+            {
+                if (end($li['text']) !== '')
+                {
+                    $li['text'] []= '';
+                }
+            }
+        }
+
+        return $Block;
+    }
+
     #
     # Quote