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diff --git a/gnulib b/gnulib
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-Subproject 443bc5ffcf7429e557f4a371b0661abe98ddbc1
diff --git a/gnulib/tests/uninorm/test-composition.c b/gnulib/tests/uninorm/test-composition.c
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+++ b/gnulib/tests/uninorm/test-composition.c
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+/* Test of canonical composition of Unicode characters.
+   Copyright (C) 2009-2011 Free Software Foundation, Inc.
+
+   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/>.  */
+
+/* Written by Bruno Haible <bruno@clisp.org>, 2009.  */
+
+#include <config.h>
+
+#include "uninorm.h"
+
+#include "macros.h"
+
+int
+main ()
+{
+  /* LATIN CAPITAL LETTER A WITH DIAERESIS */
+  ASSERT (uc_composition (0x0041, 0x0308) == 0x00C4);
+
+  /* LATIN CAPITAL LETTER A WITH RING ABOVE */
+  ASSERT (uc_composition (0x0041, 0x030A) == 0x00C5);
+
+  /* LATIN CAPITAL LETTER A WITH DIAERESIS AND MACRON */
+  ASSERT (uc_composition (0x00C4, 0x0304) == 0x01DE);
+
+  /* GREEK DIALYTIKA AND PERISPOMENI */
+  ASSERT (uc_composition (0x00A8, 0x0342) == 0x1FC1);
+
+  /* CIRCLED NUMBER FIFTEEN */
+  ASSERT (uc_composition (0x0031, 0x0035) == 0);
+
+  /* TRADE MARK SIGN */
+  ASSERT (uc_composition (0x0054, 0x004D) == 0);
+
+  /* HANGUL SYLLABLE GEU */
+  ASSERT (uc_composition (0x1100, 0x1173) == 0xADF8);
+
+  /* HANGUL SYLLABLE GEUL */
+  ASSERT (uc_composition (0xADF8, 0x11AF) == 0xAE00);
+
+  return 0;
+}