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diff --git a/Build/source/texk/dvisvgm/dvisvgm-1.9.1/src/SVGOutput.h b/Build/source/texk/dvisvgm/dvisvgm-1.9.1/src/SVGOutput.h
new file mode 100644
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+++ b/Build/source/texk/dvisvgm/dvisvgm-1.9.1/src/SVGOutput.h
@@ -0,0 +1,56 @@
+/*************************************************************************
+** SVGOutput.h **
+** **
+** This file is part of dvisvgm -- the DVI to SVG converter **
+** Copyright (C) 2005-2015 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 DVISVGM_SVGOUTPUT_H
+#define DVISVGM_SVGOUTPUT_H
+
+#include <ostream>
+#include <string>
+#include "FilePath.h"
+
+
+struct SVGOutputBase {
+ virtual ~SVGOutputBase () {}
+ virtual std::ostream& getPageStream (int page, int numPages) const =0;
+ virtual std::string filename (int page, int numPages) const =0;
+};
+
+
+class SVGOutput : public SVGOutputBase
+{
+ public:
+ SVGOutput (const char *base=0, std::string pattern="", int zipLevel=0);
+ ~SVGOutput () {delete _os;}
+ std::ostream& getPageStream (int page, int numPages) const;
+ std::string filename (int page, int numPages) const;
+
+ protected:
+ void expandFormatString (std::string &str, int page, int numPages) const;
+
+ private:
+ FilePath _path;
+ std::string _pattern;
+ bool _stdout; ///< write to STDOUT?
+ int _zipLevel; ///< compression level
+ mutable int _page; ///< number of current page being written
+ mutable std::ostream *_os;
+};
+
+#endif