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diff --git a/Build/source/texk/dvisvgm/dvisvgm-1.9.2/src/GlyphTracerMessages.h b/Build/source/texk/dvisvgm/dvisvgm-1.9.2/src/GlyphTracerMessages.h
new file mode 100644
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+++ b/Build/source/texk/dvisvgm/dvisvgm-1.9.2/src/GlyphTracerMessages.h
@@ -0,0 +1,74 @@
+/*************************************************************************
+** GlyphTracerMessages.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_GLYPHTRACERMESSAGES_H
+#define DVISVGM_GLYPHTRACERMESSAGES_H
+
+#include <sstream>
+#include "GFGlyphTracer.h"
+#include "Message.h"
+#include "types.h"
+
+class GlyphTracerMessages : public GFGlyphTracer::Callback
+{
+ public:
+ GlyphTracerMessages (bool sfmsg=true, bool autonl=true) : _sfmsg(sfmsg), _autonl(autonl), _traced(false) {}
+
+ ~GlyphTracerMessages () {
+ if (_autonl)
+ Message::mstream() << '\n';
+ }
+
+ void beginChar (UInt8 c) {
+ if (!_traced) {
+ if (!_fname.empty())
+ Message::mstream() << '\n';
+ Message::mstream(false, Message::MC_STATE)
+ << "tracing glyphs of " << _fname.substr(0, _fname.length()-3) << '\n';
+ _traced = true;
+ }
+ }
+
+ void endChar (UInt8 c) {
+ std::ostringstream oss;
+ oss << '[';
+ if (isprint(c))
+ oss << c;
+ else
+ oss << '#' << unsigned(c);
+ oss << ']';
+ Message::mstream(false, Message::MC_TRACING) << oss.str();
+ }
+
+ void setFont (const std::string &fname) {
+ if (_sfmsg && fname != _fname) {
+ _fname = fname;
+ _traced = false;
+ }
+ }
+
+ private:
+ std::string _fname;
+ bool _sfmsg, _autonl;
+ bool _traced; ///< true if a glyph of the current font has already been traced?
+};
+
+
+#endif