It isn't about limiting scope, it's about parsing and understanding the language. A refactor can change every file in your project (for example, renaming a glo

It isn't about limiting scope, it's about parsing and understanding the language. A refactor can change every file in your project (for example, renaming a global variable named 'i'). And, yes, it is very nice. Eclipse comes close with Java but, last I tried Vim and Emacs refactoring plugins, they were nowhere near as good or even very discoverable/usable).