dnl @ ../doc/m4.texinfo:2018: 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', `Hello world.')
dnl @result{}
dumpdef(`foo')
dnl @error{}foo: `Hello world.'
dnl @result{}
dumpdef(`define')
dnl @error{}define: <define>
dnl @result{}