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diff --git a/tikzit-1/src/osx/Graph+Coder.m b/tikzit-1/src/osx/Graph+Coder.m
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+++ b/tikzit-1/src/osx/Graph+Coder.m
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+//
+//  Graph+Coder.m
+//  TikZiT
+//
+//  Created by Aleks Kissinger on 27/04/2010.
+//  Copyright 2010 __MyCompanyName__. All rights reserved.
+//
+
+#import "Graph+Coder.h"
+#import "TikzGraphAssembler.h"
+
+@implementation Graph(Coder)
+
+- (id)initWithCoder:(NSCoder*)coder {
+	NSString *tikz = [coder decodeObject];
+        [TikzGraphAssembler parseTikz:tikz forGraph:self];
+	return self;
+}
+
+- (void)encodeWithCoder:(NSCoder*)coder {
+	[coder encodeObject:[self tikz]];
+}
+
+@end