================================================================================
Extras: non-breaking space
================================================================================

[[NSDateFormatter alloc] init];
[[NSDateFormatter alloc] init];

--------------------------------------------------------------------------------

(translation_unit
  (expression_statement
    (message_expression
      receiver: (message_expression
        receiver: (type_identifier)
        selector: (identifier))
      selector: (identifier)))
  (expression_statement
    (message_expression
      receiver: (message_expression
        receiver: (type_identifier)
        selector: (identifier))
      selector: (identifier))))

================================================================================
Extras: identifier
================================================================================

extern void OBJC_CLASS_$_f;

--------------------------------------------------------------------------------

(translation_unit
  (declaration
    (storage_class_specifier)
    type: (primitive_type)
    declarator: (identifier)))