你如何让eclipse使用现有的svn工作副本？

I've got a working copy checked out with svn; furthermore, I've created a new project in Eclipse that has the root of the working copy as the project's location. I want to be able to do stuff like compare versions from Eclipse. I have Subclipse 1.4.8, but that doesn't seem to give me what I want. Am I doing something wrong?I've got a working copy checked out with svn; f