======
Simple
======

a { out "%c" }

---

(source_file
 (function
  (function_name)
  (command
   (command_name)
   (string
	(quoted_literal
	 (format_converter))))))

====
Enum
====

a { out "%{OFF|ON}" }

---

(source_file
 (function
  (function_name)
  (command
   (command_name)
   (string
	(quoted_literal
	 (format_converter
	  (format_enum
	   (enum_specifier (enum_constant))
	   (enum_specifier (enum_constant)))))))))

==============
Numerical enum
==============

a { out "%{0|1}" }

---

(source_file
 (function
  (function_name)
  (command
   (command_name)
   (string
	(quoted_literal
	 (format_converter
	  (format_enum
	   (enum_specifier (enum_constant))
	   (enum_specifier (enum_constant)))))))))
