From 7908fee6a73bcd6f44ae495f2a1a268778605219 Mon Sep 17 00:00:00 2001
From: liuhui <hliu@yipitdata.com>
Date: Mon, 16 May 2022 16:12:40 +0800
Subject: [PATCH] let the DTTextAttachment be a subclass of the
 NSTextAttachment

---
 Core/Source/DTTextAttachment.h | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/Core/Source/DTTextAttachment.h b/Core/Source/DTTextAttachment.h
index 47d172af3..fb4520d1b 100644
--- a/Core/Source/DTTextAttachment.h
+++ b/Core/Source/DTTextAttachment.h
@@ -75,7 +75,7 @@ typedef NS_ENUM(NSUInteger, DTTextAttachmentVerticalAlignment)
 /**
  An object to represent an attachment in an HTML/rich text view.  
  */
-@interface DTTextAttachment : NSObject <NSCoding>
+@interface DTTextAttachment : NSTextAttachment
 {
 	CGSize _displaySize;  // the display dimensions of the attachment
 	CGSize _originalSize; // the original dimensions of the attachment