How to pack cron jobs?

[Pavel Alexeev (aka Pahan-Hubbitus)]

Patrice Dumas пишет:
>>> Not in the main package.
>> Not in main package? Is there any subpackage of crontab in Fedora??
>> $ repoquery 'crontab*'
>> crontabs-0:1.10-19.fc9.noarch
>>
>> Or you suppose create new one?
> 
> That's not what I meant. I meant the main cronie and fcron packages
> should not require crontabs.

May be, may be.
But return to initial my question - how I should pack cron jobs 
correctly? If crons independent from crontab, directories layout also 
depend from cron variant...
May be I must "Require /etc/cron.d" directly in my rpm?