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diff --git a/gettext-tools/libgettextpo/unictype/ctype_alpha.c b/gettext-tools/libgettextpo/unictype/ctype_alpha.c
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+/* ISO C <ctype.h> like properties of Unicode characters.
+ Copyright (C) 2002, 2006-2007, 2009-2015 Free Software Foundation, Inc.
+ Written by Bruno Haible <bruno@clisp.org>, 2002.
+
+ This program is free software: you can redistribute it and/or modify it
+ under the terms of the GNU General Public License as published
+ by the Free Software Foundation; either version 3 of the License, or
+ (at your option) any later version.
+
+ This program 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
+ General Public License for more details.
+
+ You should have received a copy of the GNU General Public License
+ along with this program. If not, see <http://www.gnu.org/licenses/>. */
+
+#include <config.h>
+
+/* Specification. */
+#include "unictype.h"
+
+#include "bitmap.h"
+
+/* Define u_is_alpha table. */
+#include "ctype_alpha.h"
+
+bool
+uc_is_alpha (ucs4_t uc)
+{
+ return bitmap_lookup (&u_is_alpha, uc);
+}