dnl @ ../doc/m4.texi:3173: 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.
undivert(`quote.m4')dnl
dnl @result{}divert(`-1')
dnl @result{}# quote(args) - convert args to single-quoted string
dnl @result{}define(`quote', `ifelse(`$#', `0', `', ``$*'')')
dnl @result{}# dquote(args) - convert args to quoted list of quoted strings
dnl @result{}define(`dquote', ``$@'')
dnl @result{}# dquote_elt(args) - convert args to list of double-quoted strings
dnl @result{}define(`dquote_elt', `ifelse(`$#', `0', `', `$#', `1', ```$1''',
dnl @result{}                             ```$1'',$0(shift($@))')')
dnl @result{}divert`'dnl