If you are using like me svn to manage your website, you certainly notified that all the .svn files are fully readable by everyone in plain text. So here is a fix to deny the acces to those files :
<Directory ~ "\.svn">
Order allow,deny
Deny from all
</Directory>
Solution found at http://alexking.org/blog/2005/04/12/svn-as-a-web-site-maintenence-tool