I represent an expression of the form ^expr.

	code generation
	code emitForReturn:on: emitForValue:on: pc sizeForReturn: sizeForValue:

	converting
	asReturnNode

	initialize-release
	expr: expr:encoder:sourceRange:

	printing
	printOn:indent:

	testing
	isReturnSelf isSpecialConstant isVariableReference

	tiles
	asMorphicSyntaxIn: explanation

	C translation	top
	asTranslatorNode

	code generation	top
	code
	emitForReturn:on:
	emitForValue:on:
	pc Used by encoder source mapping.
	sizeForReturn:
	sizeForValue:

	converting	top
	asReturnNode

	initialize-release	top
	expr:
	expr:encoder:sourceRange:

	printing	top
	printOn:indent: If control gets here, avoid recursion loop.

	testing	top
	isReturnSelf
	isSpecialConstant
	isVariableReference

	tiles	top
	asMorphicSyntaxIn: Default for missing implementations
	explanation