test/complexTextNames.wast - external/github.com/WebAssembly/binaryen - Git at Google

 (module
   (func $foo\20\28.bar\29)
   (func "$zoo (.bar)" (call $foo\20\28.bar\29))
 )
	(module
	(func $foo\20\28.bar\29)
	(func "$zoo (.bar)" (call $foo\20\28.bar\29))
	)