dnl @ ../doc/m4.texinfo:2072: 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{} 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