dnl @ ../doc/m4.texi:5737: 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.
regexp(`GNUs not Unix', `\<[a-z]\w+')
dnl @result{}5
regexp(`GNUs not Unix', `\<Q\w*')
dnl @result{}-1
regexp(`GNUs not Unix', `\w\(\w+\)$', `*** \& *** \1 ***')
dnl @result{}*** Unix *** nix ***
regexp(`GNUs not Unix', `\<Q\w*', `*** \& *** \1 ***')
dnl @result{}