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diff --git a/modules/syriac/syriac-ot.h b/modules/syriac/syriac-ot.h
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+/* Pango
+ * syriac-ot.h: Determine what OpenType features to apply to characters based
+ *              on the rules for Syriac from the OpenType standard.
+ *
+ * Copyright (C) 2004 Emil Soleyman-Zomalan
+ * Author: Emil Soleyman-Zomalan <emil@soleyman.com>
+ *
+ * This file is based on the Arabic shaping code from FreeType 1 tree; original
+ * copyright notice:
+ *                                                                         
+ *  The FreeType project -- a free and portable quality TrueType renderer.
+ *
+ *  Copyright 1996-2000 by
+ *  D. Turner, R.Wilhelm, and W. Lemberg
+ *
+ * The code, like the FreeType code it is derived from is dual-licensed
+ * under the  GNU Public License and the FreeType license. See see
+ * pango/opentype/FT-license.txt for full details of the FreeType 
+ * license.
+ */
+
+#ifndef __SYRIAC_OT_H__
+#define __SYRIAC_OT_H__
+
+#include <pango/pango-ot.h>
+
+G_BEGIN_DECLS
+
+typedef enum 
+{
+  isolated = 1 << 0,    /* nominal        */
+  final    = 1 << 1,    /* right_joining */
+  initial  = 1 << 2,    /* left_joining   */
+  medial   = 1 << 3,    /* double_joining */
+  medial2  = 1 << 4,    /* double_joining, applies to Alaph only */
+  final2   = 1 << 5,    /* right_joining, applies to Alaph only */
+  final3   = 1 << 6     /* right_joining, applies to Alaph only */
+} JoiningType;
+
+/* A glyph's property value as needed by e.g. TT_GSUB_Apply_String()
+   specifies which features should *not* be applied  */
+typedef enum
+{
+  isolated_p = final    | initial | medial  | medial2 | final2  | final3,
+  final_p    = isolated | initial | medial  | medial2 | final2  | final3,
+  initial_p  = isolated | final   | medial  | medial2 | final2  | final3,
+  medial_p   = isolated | final   | initial | medial2 | final2  | final3,
+  medial2_p  = isolated | final   | initial | medial  | final2  | final3,
+  final2_p   = isolated | final   | initial | medial  | medial2 | final3,
+  final3_p   = isolated | final   | initial | medial  | medial2 | final2
+} SyriacGlyphForm;
+
+typedef enum 
+{
+  right,
+  left,			/* not used */
+  dual,
+  causing,
+  none,
+  transparent
+} JoiningClass;
+
+FT_Error syriac_assign_properties (gunichar *string,
+				   gulong   *properties,
+				   int       length);
+
+G_END_DECLS
+
+#endif /* __SYRIAC_OT_H__ */