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diff --git a/Build/source/texk/dvisvgm/dvisvgm-1.2.2/src/StreamWriter.h b/Build/source/texk/dvisvgm/dvisvgm-1.2.2/src/StreamWriter.h
new file mode 100644
index 00000000000..6217800dae6
--- /dev/null
+++ b/Build/source/texk/dvisvgm/dvisvgm-1.2.2/src/StreamWriter.h
@@ -0,0 +1,46 @@
+/*************************************************************************
+** StreamWriter.h **
+** **
+** This file is part of dvisvgm -- the DVI to SVG converter **
+** Copyright (C) 2005-2013 Martin Gieseking <martin.gieseking@uos.de> **
+** **
+** This program is free software; you can redistribute it and/or **
+** modify it under the terms of the GNU General Public License as **
+** published by the Free Software Foundation; either version 3 of **
+** the License, or (at your option) any later version. **
+** **
+** This program is distributed in the hope that it will be useful, but **
+** WITHOUT ANY WARRANTY; without even the implied warranty of **
+** MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the **
+** GNU General Public License for more details. **
+** **
+** You should have received a copy of the GNU General Public License **
+** along with this program; if not, see <http://www.gnu.org/licenses/>. **
+*************************************************************************/
+
+#ifndef STREAMWRITER_H
+#define STREAMWRITER_H
+
+#include <ostream>
+#include "types.h"
+
+
+class CRC32;
+
+class StreamWriter
+{
+ public:
+ StreamWriter (std::ostream &os) : _os(os) {}
+ virtual ~StreamWriter () {}
+ void writeUnsigned (UInt32 val, int n);
+ void writeSigned (Int32 val, int n);
+ void writeString (const std::string &str, bool finalZero=false);
+ void writeUnsigned (UInt32 val, int n, CRC32 &crc32);
+ void writeSigned (Int32 val, int n, CRC32 &crc32);
+ void writeString (const std::string &str, CRC32 &crc32, bool finalZero=false);
+
+ private:
+ std::ostream &_os;
+};
+
+#endif