# bad shell option names
set -o trackall # bash is not ksh
+# problem with versions through bash-4.2
+readonly xx=5
+echo $((xx=5))
+echo $?
+
+${THIS_SH} ./errors1.sub
+${THIS_SH} ./errors2.sub
+${THIS_SH} ./errors3.sub
+
# this must be last!
# in posix mode, a function name must be a valid identifier
# this can't go in posix2.tests, since it causes the shell to exit