Coalesced object change notifications

#import <Foundation/Foundation.h>
#import <EOControl/EOControl.h>
 
 
@interface PermanentGlobalID : EOTemporaryGlobalID
@end
 
@implementation PermanentGlobalID : EOTemporaryGlobalID
 
- (BOOL) isTemporary
{
   return( NO);
}
 
@end
 
 
@interface NotificationLogger : NSObject
@end
 
@implementation NotificationLogger
 
+ (void) logNotification:(NSNotification *) notification
{
   NSLog( @"%@", notification);
}
@end
 
 
int main (int argc, const char * argv[])
{
   NSAutoreleasePool   *pool;
   EOEditingContext    *context;
   NSMutableString     *obj;
   NSMutableString     *obj2;
   EOGlobalID          *gid;
 
   pool = [NSAutoreleasePool new];
 
   [[NSNotificationCenter defaultCenter] addObserver:[NotificationLogger class]
                                            selector:@selector( logNotification:)
                                                name:nil
                                              object:nil];
 
   context = [[EOEditingContext new] autorelease];
 
   obj = [[@"VfL Bochum 1848" mutableCopy] autorelease];
   gid = [[PermanentGlobalID new] autorelease];
   [context recordObject:obj
                globalID:gid];
 
   [obj willChange];
   [obj appendString:@"!"];
 
   obj2 = [[@"Mulle kybernetiK" mutableCopy] autorelease];
   [context insertObject:obj2];
   [obj2 willChange];
   [obj2 appendString:@"!"];
 
   NSLog( @"A)");
   [context processRecentChanges];
 
   [pool release];
   return( 0);
}