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diff --git a/gnulib b/gnulib
deleted file mode 160000
-Subproject 4fc10daa05477586fea99b6b3ca02a87d1102fa
diff --git a/gnulib/tests/test-mbspcasecmp.c b/gnulib/tests/test-mbspcasecmp.c
new file mode 100644
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+++ b/gnulib/tests/test-mbspcasecmp.c
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+/* Test of case-insensitive string comparison function.
+   Copyright (C) 2007-2010 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>, 2007.  */
+
+#include <config.h>
+
+#include <string.h>
+
+#include <locale.h>
+
+#include "macros.h"
+
+int
+main ()
+{
+  /* configure should already have checked that the locale is supported.  */
+  if (setlocale (LC_ALL, "") == NULL)
+    return 1;
+
+  {
+    const char string[] = "paragraph";
+    ASSERT (mbspcasecmp (string, "Paragraph") == string + 9);
+  }
+
+  {
+    const char string[] = "paragrapH";
+    ASSERT (mbspcasecmp (string, "parAgRaph") == string + 9);
+  }
+
+  {
+    const char string[] = "paragraph";
+    ASSERT (mbspcasecmp (string, "paraLyzed") == NULL);
+  }
+
+  {
+    const char string[] = "paraLyzed";
+    ASSERT (mbspcasecmp (string, "paragraph") == NULL);
+  }
+
+  {
+    const char string[] = "para";
+    ASSERT (mbspcasecmp (string, "paragraph") == NULL);
+  }
+
+  {
+    const char string[] = "paragraph";
+    ASSERT (mbspcasecmp (string, "para") == string + 4);
+  }
+
+  /* The following tests shows how mbspcasecmp() is different from
+     strncasecmp().  */
+
+  {
+    const char string[] = "\303\266zg\303\274rt\303\274k"; /* özgürtük */
+    ASSERT (mbspcasecmp (string, "\303\226ZG\303\234R") == string + 7); /* özgür */
+  }
+
+  {
+    const char string[] = "\303\226ZG\303\234Rt\303\274k"; /* özgürtük */
+    ASSERT (mbspcasecmp (string, "\303\266zg\303\274r") == string + 7); /* özgür */
+  }
+
+  /* This test shows how strings of different size can compare equal.  */
+
+  {
+    const char string[] = "turkishtime";
+    ASSERT (mbspcasecmp (string, "TURK\304\260SH") == string + 7);
+  }
+
+  {
+    const char string[] = "TURK\304\260SHK\303\234LT\303\234R";
+    ASSERT (mbspcasecmp (string, "turkish") == string + 8);
+  }
+
+  return 0;
+}