vixie-cron not honoring documented options

Am I the only person to find that the vixie-cron included in Oracle Linux 5.7 (with unbreakable kernel) does not honor the DoM or DoW specifications when one or the other is a specified as a range? In many versions of the vixie-cron documentation available on the web there are examples for "second saturday of the month" showing the crontab specification as "m h 8-13 * sat <command>". I  created a line like this and that line executed last night (2nd Tuesday) and will probably run again tonight. It appears that combining DoM and DoW does not work in the