re: bug#563. checking in some commented out trace code and a fix so that the in testalpha.c the background only flashes when alpha == 255. The problem that is being fixed is caused by clearing SDL_COPY_RLE_COLORKEY without setting SDL_COPY_RLE_DESIRED in SDL_UnRELSurface.

//
//  MyCustomView.h
//  SDL Custom View App
//
//  Created by Darrell Walisser on Fri Jul 18 2003.
//  Copyright (c) 2003 __MyCompanyName__. All rights reserved.
//

#import <AppKit/AppKit.h>


@interface MyCustomView : NSQuickDrawView
{
}

@end