--- SourceEditorDocument.m.orig	2006-07-09 16:11:44.000000000 +0200
+++ SourceEditorDocument.m	2008-05-03 08:55:28.000000000 +0200
@@ -33,6 +33,7 @@
 #import <Foundation/NSUserDefaults.h>
 #import <Foundation/NSValue.h>
 
+#import <AppKit/NSAttributedString.h>
 #import <AppKit/NSFont.h>
 #import <AppKit/NSImage.h>
 #import <AppKit/NSLayoutManager.h>