Hello,
I found a bug. When you have opened file and you rename folder in which is that file, it cannot be saved, because Sublime Text does not change path of opened file.

Sublime Text 2.01 (2217)
Windows 7 Proffesional

Steps to reproduce:

1. Open file in a folder.
2. Rename that folder.
3. Change something in file and try to save it.
4. Look at alert box:
   
   

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