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You know what the questions mean when you close a project or quit KOSMA.
KOSMA saves every change after about a second. KOSMA asks about unsaved changes only if you close or quit within that second.
If you close a project window right after a change, KOSMA opens **Close project**. **Save**, **Don't Save** and **Cancel** apply to this one project only. If the dialog appears although you wanted to quit KOSMA, you have closed only one project window.
If you quit KOSMA or close the Project Manager, KOSMA asks once for all open projects. The **Unsaved changes** dialog lists every project with unsaved changes. **Save All**, **Discard All** and **Cancel** apply to all these projects at once.
The buttons **Don't Save** and **Discard All** and the command **Discard** in the **Project** menu discard only what KOSMA has not saved yet, usually little or nothing. They do not take back saved changes. A cell can still show the discarded value for a moment, then it shows the saved one.
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