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diff --git a/Build/source/texk/web2c/luatexdir/luafontloader/fontforge/fontforge/stemdb.c b/Build/source/texk/web2c/luatexdir/luafontloader/fontforge/fontforge/stemdb.c
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+++ b/Build/source/texk/web2c/luatexdir/luafontloader/fontforge/fontforge/stemdb.c
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+/* Copyright (C) 2005-2008 by George Williams and Alexey Kryukov */
+/*
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are met:
+
+ * Redistributions of source code must retain the above copyright notice, this
+ * list of conditions and the following disclaimer.
+
+ * Redistributions in binary form must reproduce the above copyright notice,
+ * this list of conditions and the following disclaimer in the documentation
+ * and/or other materials provided with the distribution.
+
+ * The name of the author may not be used to endorse or promote products
+ * derived from this software without specific prior written permission.
+
+ * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED
+ * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
+ * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO
+ * EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+ * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
+ * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
+ * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
+ * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
+ * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
+ * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+#include "pfaedit.h"
+#include "edgelist2.h"
+#include "stemdb.h"
+
+#include <math.h>
+#include <utype.h>
+
+/* A diagonal end is like the top or bottom of a slash. Should we add a vertical stem at the end? */
+/* A diagonal corner is like the bottom of circumflex. Should we add a horizontal stem? */
+int hint_diagonal_ends = 0,
+ hint_diagonal_intersections = 0,
+ hint_bounding_boxes = 1,
+ detect_diagonal_stems = 0;
+