--- ProjectDocument.m.orig 2007-06-17 12:28:19.000000000 -0400
+++ ProjectDocument.m 2007-06-17 12:24:14.000000000 -0400
#import <Foundation/NSDictionary.h>
#import <Foundation/NSUserDefaults.h>
#import <Foundation/NSProcessInfo.h>
+#import <Foundation/NSError.h>
#import <AppKit/NSWorkspace.h>
#import <AppKit/NSDocumentController.h>