(Shell Substitutions): Fix typos in yesterday's ZSH_VERSION fixes.

Bug reported by Raja R Harinath.

diff --git a/doc/autoconf.texi b/doc/autoconf.texi
index 31e6d47580fa7c21beffd6ee56c39f8562cd5700..e8a7929d8d7aad67551e261ccfc882cf16cb0c11 100644 (file)
--- a/doc/autoconf.texi
+++ b/doc/autoconf.texi
@@ -8477,7 +8477,7 @@ One workaround relies on Zsh's ``global aliases'' to convert
 @samp{$@{1+"$@@"@}} into @samp{"$@@"} by itself:
 
 @example
-$@{ZSH_VERSION-:@} alias -g '$@{1+"$@@"@}'='"$@@"'
+test "$@{ZSH_VERSION+set@}" = set && alias -g '$@{1+"$@@"@}'='"$@@"'
 @end example
 
 A more conservative workaround is to avoid @samp{"$@@"} if it is