if test "x$apr_ste_save_$1" = "x$$1"; then
$2$1=
else
$2$1=`echo $$1 | sed -e "s%${apr_ste_save_$1}%%"`
$2$1=`echo $$1 | sed -e "s%^.\\{${#apr_ste_save_$1}\\}%%"`
$1="$apr_ste_save_$1"
fi