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diff --git a/lib/fribidi-brackets.h b/lib/fribidi-brackets.h
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+/* fribidi-brackets.h - get bracket character property
+ *
+ * Copyright (C) 2004  Sharif FarsiWeb, Inc
+ * Copyright (C) 2001, 2002, 2004  Behdad Esfahbod
+ * Copyright (C) 1999, 2000, 2017  Dov Grobgeld
+ * 
+ * This file is part of GNU FriBidi.
+ * 
+ * GNU FriBidi is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public License
+ * as published by the Free Software Foundation; either version 2.1
+ * of the License, or (at your option) any later version.
+ * 
+ * GNU FriBidi 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 Lesser General Public License for more details.
+ * 
+ * You should have received a copy of the GNU Lesser General Public License
+ * along with GNU FriBidi; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA
+ * 
+ * For licensing issues, contact <fribidi.license@gmail.com> or write to
+ * Sharif FarsiWeb, Inc., PO Box 13445-389, Tehran, Iran.
+ *
+ * Author(s):
+ *   Behdad Esfahbod, 2001, 2002, 2004
+ *   Dov Grobgeld, 1999, 2000, 2017
+ */
+#ifndef _FRIBIDI_BRACKETS_H
+#define _FRIBIDI_BRACKETS_H
+
+#include "fribidi-common.h"
+
+#include "fribidi-types.h"
+#include "fribidi-bidi-types.h"
+
+#include "fribidi-begindecls.h"
+
+/* fribidi_get_bracket - get bracketed character
+ *
+ * This function finds the bracketed equivalent of a character as defined in
+ * the file BidiBrackets.txt of the Unicode Character Database available at
+ * http://www.unicode.org/Public/UNIDATA/BidiBrackets.txt.
+ *
+ * If  the input character is a declared as a brackets character in the
+ * Unicode standard and has a bracketed equivalent.  The matching bracketed
+ * character is put in the output, otherwise the input character itself is
+ * put.
+ *
+ * Returns: The bracket type of the character. Use the
+ * FRIBIDI_IS_BRACKET(FriBidiBracketType) to test if it is a valid
+ * property.
+ */
+FRIBIDI_ENTRY FriBidiBracketType fribidi_get_bracket (
+  FriBidiChar ch		    /* input character */
+);
+
+/* fribidi_get_bracket_types - get bracketed characters
+ *
+ * This function finds the bracketed characters of an string of characters.
+ * See fribidi_get_bracket() for more information about the bracketed
+ * characters returned by this function.
+ */
+FRIBIDI_ENTRY void
+fribidi_get_bracket_types (
+  const FriBidiChar *str,           /* input string */
+  const FriBidiStrIndex len,        /* input string length */
+  const FriBidiCharType *types,     /* input bidi types */
+  FriBidiBracketType *btypes        /* output bracketed characters */
+);
+
+#define FRIBIDI_BRACKET_OPEN_MASK 0x80000000
+#define FRIBIDI_BRACKET_ID_MASK   0x7fffffff
+#define FRIBIDI_IS_BRACKET_OPEN(bt) ((bt & FRIBIDI_BRACKET_OPEN_MASK)>0)
+#define FRIBIDI_BRACKET_ID(bt) ((bt & FRIBIDI_BRACKET_ID_MASK))
+
+#include "fribidi-enddecls.h"
+
+#endif /* !_FRIBIDI_BRACKETS_H */
+/* Editor directions:
+ * Local Variables:
+ *   mode: c
+ *   c-basic-offset: 2
+ *   indent-tabs-mode: t
+ *   tab-width: 8
+ * End:
+ * vim: textwidth=78: autoindent: cindent: shiftwidth=2: tabstop=8:
+ */