Content Access Right checking

Hi all,
I'm willing to get content through content:content and  
content:contentVersion taglibs, but they don't seem to take car of  
access right set in the CMS.
Is there an easy way to do the same as hasPageAccess ?
Why HasContentAccessTag is not available into the tld ? Maybe it's a  
mistake ..
It would be cool to be able to use this taglib or to have a way to do  
it =)
__
Romain

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