dnl @ ../doc/m4.texi:2196: 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. foo bar blah dnl @result{}foo bar blah define(`foo', `some')define(`bar', `other')define(`blah', `text') dnl @result{} foo bar blah dnl @result{}some other text undefine(`foo') dnl @result{} foo bar blah dnl @result{}foo other text undefine(`bar', `blah') dnl @result{} foo bar blah dnl @result{}foo bar blah