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diff --git a/Src/id3v2/id3_header.h b/Src/id3v2/id3_header.h
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+// The authors have released ID3Lib as Public Domain (PD) and claim no copyright,
+// patent or other intellectual property protection in this work. This means that
+// it may be modified, redistributed and used in commercial and non-commercial
+// software and hardware without restrictions. ID3Lib is distributed on an "AS IS"
+// basis, WITHOUT WARRANTY OF ANY KIND, either express or implied.
+// 
+// The ID3Lib authors encourage improvements and optimisations to be sent to the
+// ID3Lib coordinator, currently Dirk Mahoney (dirk@id3.org). Approved
+// submissions may be altered, and will be included and released under these terms.
+// 
+// Mon Nov 23 18:34:01 1998
+
+
+#ifndef ID3LIB_HEADER_H
+#define ID3LIB_HEADER_H
+
+#include "id3_types.h"
+
+#define MIN_ID3_TAGVERSION 2
+#define MAX_ID3_TAGVERSION 4
+#define ID3_TAGVERSION (3)
+#define ID3_TAGREVISION (0)
+
+struct ID3_HeaderInfo
+{
+  unsigned __int8 version;
+  unsigned __int8 revision;
+  unsigned __int8 frameIDBytes;
+  unsigned __int8 frameSizeBytes;
+  unsigned __int8 frameFlagsBytes;
+  bool hasExtHeader;
+  luint extHeaderBytes;
+  bool setExpBit;
+};
+
+struct ID3_Quirks
+{
+	ID3_Quirks() : id3v2_4_itunes_bug(false) {}
+	bool id3v2_4_itunes_bug;  // itunes doesn't write syncsafe values for 2.4
+};
+
+class ID3_Header
+{
+public:
+  ID3_Header (void);
+
+  void SetVersion(uchar ver, uchar rev);
+  void SetDataSize(luint newSize);
+  void SetFlags(luint newFlags);
+	void SetQuirks(ID3_Quirks &_quirks)
+	{
+		quirks=_quirks;
+	}
+
+	ID3_Quirks &GetQuirks()
+	{
+		return quirks;
+	}
+	
+  virtual luint Size(void) = 0;
+  virtual luint Render(unsigned __int8 *buffer) = 0;
+
+  // *** PRIVATE INTERNAL DATA - DO NOT USE *** PRIVATE INTERNAL DATA - DO NOT USE ***
+
+protected:
+  unsigned __int8 version; // which version?
+  unsigned __int8 revision; // which revision?
+  luint dataSize; // how big is the data?
+  luint flags; // tag flags
+  ID3_HeaderInfo *info; // the info about this version of the headers
+	ID3_Quirks quirks;
+};
+
+
+ID3_HeaderInfo *ID3_LookupHeaderInfo (uchar ver, uchar rev);
+
+
+#endif
+
+