dnl @ ../doc/m4.texinfo:2284: 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', a'a) dnl @result{} define(`a', `A') dnl @result{} define(`echo', `$@') dnl @result{} foo dnl @result{}A'A defn(`foo') dnl @result{}aA' echo(foo) dnl @result{}AA'