diff --git a/src/scanner.c b/src/scanner.c
index 13fbfc90..02b93d1b 100644
--- a/src/scanner.c
+++ b/src/scanner.c
@@ -126,19 +126,6 @@ static inline void set_end_character(Delimiter *delimiter, int32_t character) {
     }
 }
 
-static inline const char *delimiter_string(Delimiter *delimiter) {
-    if (delimiter->flags & SingleQuote) {
-        return "\'";
-    }
-    if (delimiter->flags & DoubleQuote) {
-        return "\"";
-    }
-    if (delimiter->flags & BackQuote) {
-        return "`";
-    }
-    return "";
-}
-
 typedef struct {
     uint32_t len;
     uint32_t cap;
diff --git a/test/corpus/expressions.txt b/test/corpus/expressions.txt
index 512880d0..9e1dea7e 100644
--- a/test/corpus/expressions.txt
+++ b/test/corpus/expressions.txt
@@ -95,6 +95,8 @@ Await expressions
 
 await i(j, 5)
 return await i(j, 5)
+async def region_exists(region: str) -> bool:
+    return region in await all_regions()
 
 --------------------------------------------------------------------------------
 
@@ -112,7 +114,24 @@ return await i(j, 5)
         (identifier)
         (argument_list
           (identifier)
-          (integer))))))
+          (integer)))))
+  (function_definition
+    (identifier)
+    (parameters
+      (typed_parameter
+        (identifier)
+        (type
+          (identifier))))
+    (type
+      (identifier))
+    (block
+      (return_statement
+        (comparison_operator
+          (identifier)
+          (await
+            (call
+              (identifier)
+              (argument_list))))))))
 
 ================================================================================
 Call expressions
@@ -918,6 +937,32 @@ Tuples with yield
           (identifier)
           (identifier))))))
 
+================================================================================
+Default Tuple Arguments
+================================================================================
+
+def comp_args((a, b)=(3, 4)):
+    return a, b
+
+--------------------------------------------------------------------------------
+
+(module
+  (function_definition
+    (identifier)
+    (parameters
+      (default_parameter
+        (tuple_pattern
+          (identifier)
+          (identifier))
+        (tuple
+          (integer)
+          (integer))))
+    (block
+      (return_statement
+        (expression_list
+          (identifier)
+        (identifier))))))
+
 ================================================================================
 Conditional if expressions
 ================================================================================
@@ -984,9 +1029,9 @@ async with a as b:
                 left: (identifier)
                 right: (identifier)))))))))
 
-===========================================
+================================================================================
 Arbitrary indentation between brackets
-==========================================
+================================================================================
 
 def a():
     b(
@@ -998,7 +1043,7 @@ def a():
 3
     ]
 
----
+--------------------------------------------------------------------------------
 
 (module
   (function_definition
@@ -1016,3 +1061,36 @@ def a():
           (identifier)
           (list
             (integer)))))))
+
+================================================================================
+Splat Inside of Expression List
+================================================================================
+
+a,c = [1,2],3
+w, x, y, z = 0, *a, c
+
+--------------------------------------------------------------------------------
+
+(module
+  (expression_statement
+    (assignment
+      (pattern_list
+        (identifier)
+        (identifier))
+      (expression_list
+        (list
+          (integer)
+          (integer))
+        (integer))))
+  (expression_statement
+    (assignment
+      (pattern_list
+        (identifier)
+        (identifier)
+        (identifier)
+        (identifier))
+      (expression_list
+        (integer)
+        (list_splat
+          (identifier))
+        (identifier)))))
diff --git a/test/corpus/literals.txt b/test/corpus/literals.txt
index b703f574..7fe7ec8d 100644
--- a/test/corpus/literals.txt
+++ b/test/corpus/literals.txt
@@ -134,6 +134,7 @@ string"
 b"\x12\u12\U12\x13\N{WINKING FACE}"
 "\xab\123\'\"\a\b\f\r\n\t\v\\"
 "\xgh\o123\p\q\c\d\e\u12\U1234"
+f'\N{GREEK CAPITAL LETTER DELTA}'
 
 --------------------------------------------------------------------------------
 
@@ -213,6 +214,12 @@ b"\x12\u12\U12\x13\N{WINKING FACE}"
     (string
       (string_start)
       (string_content)
+      (string_end)))
+  (expression_statement
+    (string
+      (string_start)
+      (string_content
+        (escape_sequence))
       (string_end))))
 
 ================================================================================
@@ -311,6 +318,12 @@ f"a {{b}}"
 f"a {{{b}}}"
 f"{c,}"
 f"{yield d}"
+f"{*a,}"
+
+def function():
+     return f"""
+{"string1" if True else
+ "string2"}"""
 
 --------------------------------------------------------------------------------
 
@@ -395,7 +408,35 @@ f"{yield d}"
       (interpolation
         (yield
           (identifier)))
-      (string_end))))
+      (string_end)))
+  (expression_statement
+    (string
+      (string_start)
+      (interpolation
+        (expression_list
+          (list_splat
+            (identifier))))
+      (string_end)))
+  (function_definition
+    (identifier)
+    (parameters)
+    (block
+      (return_statement
+        (string
+          (string_start)
+          (string_content)
+          (interpolation
+            (conditional_expression
+              (string
+                (string_start)
+                (string_content)
+                (string_end))
+              (true)
+              (string
+                (string_start)
+                (string_content)
+                (string_end))))
+          (string_end))))))
 
 ================================================================================
 Format strings with format specifiers
diff --git a/test/corpus/statements.txt b/test/corpus/statements.txt
index 3c8b2b78..b4f13cba 100644
--- a/test/corpus/statements.txt
+++ b/test/corpus/statements.txt
@@ -124,6 +124,7 @@ print a
 print b, c
 print 0 or 1, 1 or 0,
 print 0 or 1
+print not True
 
 --------------------------------------------------------------------------------
 
@@ -143,7 +144,10 @@ print 0 or 1
   (print_statement
     (boolean_operator
       (integer)
-      (integer))))
+      (integer)))
+  (print_statement
+    (not_operator
+      (true))))
 
 ================================================================================
 Print statements with redirection
@@ -808,6 +812,11 @@ def h(*a):
   i((*a))
   j(((*a)))
 
+def foo():
+    pass \
+\
+\
+
 --------------------------------------------------------------------------------
 
 (module
@@ -889,7 +898,15 @@ def h(*a):
             (parenthesized_expression
               (parenthesized_expression
                 (list_splat
-                  (identifier))))))))))
+                  (identifier)))))))))
+  (function_definition
+    name: (identifier)
+    parameters: (parameters)
+    body: (block
+      (pass_statement)))
+  (line_continuation)
+  (line_continuation)
+  (line_continuation))
 
 ================================================================================
 Empty blocks
@@ -1270,6 +1287,8 @@ Exec statements
 exec '1+1'
 exec 'x+=1' in None
 exec 'x+=1' in a, b
+func = "print"
+exec func in {}
 
 --------------------------------------------------------------------------------
 
@@ -1291,7 +1310,17 @@ exec 'x+=1' in a, b
       (string_content)
       (string_end))
     (identifier)
-    (identifier)))
+    (identifier))
+  (expression_statement
+    (assignment
+      (identifier)
+      (string
+        (string_start)
+        (string_content)
+        (string_end))))
+  (exec_statement
+    (identifier)
+    (dictionary)))
 
 ================================================================================
 Extra newlines