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Use case: 1. Create new C++ file, add it to a project. In the Projects view, it shows up green. Same with the editor header tab. 2. Edit it for a while 3. Projects view: Right-click, CVS, Commit. Now it's black in the Projects view, but the editor header tab remains green. Optionally: 4. Close window, open it again. Now the tab is in black.
Believe fixed a while ago. If not, please reopen against CVS subcomponent.