dnl @ ../doc/m4.texi:4373: 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(`lquo', `ifelse(`$#', `0', ``$0'', `changequote(`[', `]')`dnl'
changequote([`], ['])')')
dnl @result{}
define(`rquo', `ifelse(`$#', `0', ``$0'', `changequote(`[', `]')dnl`
'changequote([`], ['])')')
dnl @result{}
Quotes in reverse: rquo:rquo() lquo:lquo()
dnl @result{}Quotes in reverse: rquo:' lquo:`
define(`hi', `HELLO')dnl
lquo()hi`'rquo()
dnl @result{}`HELLO'
substr(`-hi-', 1, 2) substr(`-`hi'-', `1', `4')
dnl @result{}HELLO hi
substr(`-'lquo()`hi'rquo()`-', `1', `4')
dnl @result{}hi
substr(`-'lquo()hi`'rquo()`-', `1', `2')rquo()'
dnl @result{}Hrquo()