Lion Time Machine backup

Richard Peskin <[email protected]>
Newsgroups gmane.comp.macosx.admin
Message-ID <[email protected]> 
Does Time Machine under Lion use more backup disk space than under Leopard (assuming the same size of backup files)? My casual observation  is that ™ under Lion is using a lot more disk space than I would have expected. Are features such as save and restore of application windows, revert to prior versions of documents, etc. impacting  disk space requirements?
--dick peskin
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