dnl @ ../doc/m4.texinfo:1494: Origin of test
dnl @ Copyright (C) 2006 Free Software Foundation
dnl @ This file is free software; the Free Software Foundation
dnl @ gives unlimited permission to copy and/or distribute it
dnl @ with or without modifications, as long as this notice
dnl @ is preserved.
define(`foo', `This is `$0'')
dnl @result{}
define(`bar', defn(`foo'))
dnl @result{}
bar
dnl @result{}This is bar