dnl @ ../doc/m4.texi:8142: 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.
include(`foreach2.m4')
dnl @result{}
undivert(`foreach2.m4')dnl
dnl @result{}include(`quote.m4')dnl
dnl @result{}divert(`-1')
dnl @result{}# foreach(x, (item_1, item_2, ..., item_n), stmt)
dnl @result{}#   parenthesized list, improved version
dnl @result{}define(`foreach', `pushdef(`$1')_$0(`$1',
dnl @result{}  (dquote(dquote_elt$2)), `$3')popdef(`$1')')
dnl @result{}define(`_arg1', `$1')
dnl @result{}define(`_foreach', `ifelse(`$2', `(`')', `',
dnl @result{}  `define(`$1', _arg1$2)$3`'$0(`$1', (dquote(shift$2)), `$3')')')
dnl @result{}divert`'dnl
traceon(`shift')debugmode(`aq')
dnl @result{}
foreach(`x', `(`1', `2', `3', `4')', `x
')dnl
dnl @error{}m4trace: -4- shift(`1', `2', `3', `4')
dnl @error{}m4trace: -4- shift(`2', `3', `4')
dnl @error{}m4trace: -4- shift(`3', `4')
dnl @result{}1
dnl @error{}m4trace: -3- shift(``1'', ``2'', ``3'', ``4'')
dnl @result{}2
dnl @error{}m4trace: -3- shift(``2'', ``3'', ``4'')
dnl @result{}3
dnl @error{}m4trace: -3- shift(``3'', ``4'')
dnl @result{}4
dnl @error{}m4trace: -3- shift(``4'')