| dnl @ ../doc/m4.texi:2216: 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(`f', ``$0':$1') | |
| dnl @result{} | |
| f(f(f(undefine(`f')`hello world'))) | |
| dnl @result{}f:f:f:hello world | |
| f(`bye') | |
| dnl @result{}f(bye) |