dnl @ ../doc/m4.texi:3200: 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(`argn', `ifelse(`$1', 1, ``$2'', `argn(decr(`$1'), shift(shift($@)))')') dnl @result{} argn(`1', `a') dnl @result{}a define(`foo', `argn(`11', $@)') dnl @result{} foo(`a', `b', `c', `d', `e', `f', `g', `h', `i', `j', `k', `l') dnl @result{}k