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dnl @ ../doc/m4.texi:3825: Origin of test
dnl @ expected status: 0
dnl @ extra options: 
dnl @ Copyright (C) 2006, 2007, 2008, 2009 Free Software
dnl @ Foundation, Inc.
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{}
define(`echo', `$@')
dnl @result{}
traceon(`foo', `echo')
dnl @result{}
foo
dnl @error{}m4trace: -1- foo -> `Hello World.'
dnl @result{}Hello World.
echo(`gnus', `and gnats')
dnl @error{}m4trace: -1- echo(`gnus', `and gnats') -> ``gnus',`and gnats''
dnl @result{}gnus,and gnats