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diff --git a/tesseract/src/textord/edgloop.h b/tesseract/src/textord/edgloop.h
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+/**********************************************************************
+ * File:        edgloop.h  (Formerly edgeloop.h)
+ * Description: Functions to clean up an outline before approximation.
+ * Author:      Ray Smith
+ *
+ * (C) Copyright 1991, Hewlett-Packard Ltd.
+ ** Licensed under the Apache License, Version 2.0 (the "License");
+ ** you may not use this file except in compliance with the License.
+ ** You may obtain a copy of the License at
+ ** http://www.apache.org/licenses/LICENSE-2.0
+ ** Unless required by applicable law or agreed to in writing, software
+ ** distributed under the License is distributed on an "AS IS" BASIS,
+ ** WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ ** See the License for the specific language governing permissions and
+ ** limitations under the License.
+ *
+ **********************************************************************/
+
+#ifndef           EDGLOOP_H
+#define           EDGLOOP_H
+
+#include          "scrollview.h"
+#include          "params.h"
+#include          "pdblock.h"
+#include          "coutln.h"
+#include          "crakedge.h"
+
+namespace tesseract {
+
+#define BUCKETSIZE      16
+
+void complete_edge(CRACKEDGE *start,  //start of loop
+                   C_OUTLINE_IT* outline_it);
+ScrollView::Color check_path_legal(                  //certify outline
+                        CRACKEDGE *start  //start of loop
+                       );
+int16_t loop_bounding_box(                    //get bounding box
+                        CRACKEDGE *&start,  //edge loop
+                        ICOORD &botleft,    //bounding box
+                        ICOORD &topright);
+
+} // namespace tesseract
+
+#endif