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diff --git a/src/tkbltGrPenBar.h b/src/tkbltGrPenBar.h
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+/*
+ * Smithsonian Astrophysical Observatory, Cambridge, MA, USA
+ * This code has been modified under the terms listed below and is made
+ * available under the same terms.
+ */
+
+/*
+ *	Copyright 1993-2004 George A Howlett.
+ *
+ *	Permission is hereby granted, free of charge, to any person obtaining
+ *	a copy of this software and associated documentation files (the
+ *	"Software"), to deal in the Software without restriction, including
+ *	without limitation the rights to use, copy, modify, merge, publish,
+ *	distribute, sublicense, and/or sell copies of the Software, and to
+ *	permit persons to whom the Software is furnished to do so, subject to
+ *	the following conditions:
+ *
+ *	The above copyright notice and this permission notice shall be
+ *	included in all copies or substantial portions of the Software.
+ *
+ *	THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
+ *	EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+ *	MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
+ *	NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
+ *	LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
+ *	OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
+ *	WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+ */
+
+#ifndef __BltGrPenBar_h__
+#define __BltGrPenBar_h__
+
+#include <tk.h>
+
+#include "bltGrPen.h"
+
+namespace Blt {
+
+  typedef struct {
+    int errorBarShow;
+    int errorBarLineWidth;
+    int errorBarCapWidth;
+    XColor* errorBarColor;
+    int valueShow;
+    const char *valueFormat;
+    TextStyleOptions valueStyle;
+
+    XColor* outlineColor;
+    Tk_3DBorder fill;
+    int borderWidth;
+    int relief;
+  } BarPenOptions;
+
+  class BarPen : public Pen {
+  public:
+    GC fillGC_;
+    GC outlineGC_;
+    GC errorBarGC_;
+
+  public:
+    BarPen(Graph*, const char*, Tcl_HashEntry*);
+    BarPen(Graph*, const char*, void*);
+    virtual ~BarPen();
+
+    ClassId classId() {return CID_ELEM_BAR;}
+    const char* className() {return "BarElement";}
+    const char* typeName() {return "bar";}
+
+    int configure();
+  };
+};
+
+#endif