Bug in solaris 10 /bin/ksh w.r.t. test -z ")"

[Stefano Lattarini]

Hello autoconfers.

Is anyone aware of this ridicoulous bug of Solaris 10 /bin/ksh?

 $ uname -a
 SunOS ... 5.10 Generic_141445-09 i86pc i386 i86pc
 $ strings /bin/ksh | grep -i version
 @(#)Version M-11/16/88i
 $ /bin/ksh -c 'test -z ")"; echo $?' # ready to laugh or cry?
 0
 $ /bin/sh -c 'test -z ")"; echo $?'  # at least /bin/sh works
 1

I think a patch to the autoconf manual is in order here.  I might try 
to do it, but not soonish.  Maybe someone might beat me ;-)

Regards,
   Stefano