1 dnl @ ../doc/m4.texi:6366: Origin of test
2 dnl @ expected status: 0
4 dnl @ Copyright (C) 2006, 2007, 2008, 2009 Free Software
6 dnl @ This file is free software; the Free Software Foundation
7 dnl @ gives unlimited permission to copy and/or distribute it
8 dnl @ with or without modifications, as long as this notice
18 eval(index(`Hello world', `llo') >= 0)
20 eval(`0r1:0111 + 0b100 + 0r3:12')
22 define(`square', `eval(`($1) ** 2')')
26 square(square(`5')` + 1')
31 dnl @error{}m4:stdin:11: bad expression in eval: foo / 6