=====================
No argument [message]
=====================

message()

---

(source_file
 (message_command
  (message)
 )
 )

=================================
No argument with spaces [message]
=================================

message( )

---

(source_file
 (message_command
  (message)
 )
 )

===============================================
Message without argument with newline [message]
===============================================

message(

)

---

(source_file
 (message_command
  (message)
 )
 )