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+/* Case related properties of Unicode characters.
+ Copyright (C) 2009-2022 Free Software Foundation, Inc.
+ Written by Bruno Haible <bruno@clisp.org>, 2009.
+
+ This file is free software.
+ It is dual-licensed under "the GNU LGPLv3+ or the GNU GPLv2+".
+ You can redistribute it and/or modify it under either
+ - the terms of the GNU Lesser General Public License as published
+ by the Free Software Foundation, either version 3, or (at your
+ option) any later version, or
+ - the terms of the GNU General Public License as published by the
+ Free Software Foundation; either version 2, or (at your option)
+ any later version, or
+ - the same dual license "the GNU LGPLv3+ or the GNU GPLv2+".
+
+ This file 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 and the GNU General Public License
+ for more details.
+
+ You should have received a copy of the GNU Lesser General Public
+ License and of the GNU General Public License along with this
+ program. If not, see <https://www.gnu.org/licenses/>. */
+
+#include <stdbool.h>
+#include "unitypes.h"
+
+/* Determine whether a character is "cased" according to the Unicode Standard,
+ <https://www.unicode.org/versions/Unicode5.0.0/ch03.pdf>, section 3.13,
+ definition D120. */
+extern bool
+ uc_is_cased (ucs4_t uc)
+ _UC_ATTRIBUTE_CONST;
+
+/* Determine whether a character is "case-ignorable"
+ according to the Unicode Standard,
+ <https://www.unicode.org/versions/Unicode5.0.0/ch03.pdf>, section 3.13,
+ definition D121. */
+extern bool
+ uc_is_case_ignorable (ucs4_t uc)
+ _UC_ATTRIBUTE_CONST;