[CentOS-devel] Does CentOS 6 udev rule format diff from CentOS 5?

Hi,

I've just updated from CentOS 5 to CentOS 6. I have one or my own udev rule in
/etc/udev/rules.d to change permission of a USB device which works on CentOS 5 but is no longer working on CentOS 6. Are there any changes in
CentOS 6 regarding to the udev rule format?

Thank you.

hce