When opening a project that references files that no longer exist, a "The specified file was not found on disk." error dialog is displayed for each missing file.
These error should probably be collected into one dialog or displayed in the console.
On a related note, even if you delete the files *before* closing & saving the project, leading to a number of prompts about saving each missing file on project close, you *still* get all the notifications when you open the project again. The files should no longer appear in the project file if they weren't there when it was last saved.
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On a related note, even if you delete the files *before* closing & saving the project, leading to a number of prompts about saving each missing file on project close, you *still* get all the notifications when you open the project again. The files should no longer appear in the project file if they weren't there when it was last saved.
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Fixed in SVN.