add gewo

src/paragraph/parser/mod.rs

@@ -179,7 +179,11 @@ impl Listelem {
 
         let symbol = Symbol::parse(c.next().unwrap());
 
-        let text = c.next().unwrap().text().unwrap().into();
+        let text = if let Some(c) = c.next() {
+            c.text().unwrap().into()
+        } else {
+            String::new()
+        };
 
         Expect::empty(c.next());