The needs of the user you want to remove the data from the SVN Server create a Web site by users of the Web site is FW + PE/modify by FW is a commit to the SVN server.
The needs of the user. To remove the information from the SVN Server to create a website. Users of the site by FW FW + PE is a commit / modify access the SVN server.
The needs of users, that is, to remove information from SVN Server to build a website by the user of the site is FW PE by. FW is commit / modify in SVN server