svn for document backup

hi all,
Does anybody know of a software which uses svn to make backups. Like I
could use it with let's say making my gedit or openoffice.org
documents & then update or delete stuff & svn would help me in seeing
what changes I did, I did come across such a software sometime back
but lost its link, anybody knows? This did it in a sort of automated
way, having some nice GUI, under some free/open source license.
Perhaps I saw it at sourceforge.net or some other site like that. If
anybody does have any idea please lemme know.
         Another one, does anybody know of a blog tool where one could
do the same, do the edits off-line & use svn to see what the edits
are, and then checkout the same.
 Any & all info. encouraged.

Cheers!

-- 
          Shirish Agarwal
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