Hi Pilou,

> What is the difference with * and the the Alert message
> when quit the program?
> "The file has changed" Save, Discard change, Cancel

They are similar, however the * gives you a very quick way to see if your file has been saved or not just by looking at the corner of the screen.

The "This file has changed" dialog only shows up if you try to exit the program or try to open another file.

- Michael