--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/make/data/characterdata/CharacterDataUndefined.java.template	Tue Sep 12 19:03:39 2017 +0200
@@ -0,0 +1,95 @@
+/*
+ * Copyright (c) 2003, 2013, Oracle and/or its affiliates. All rights reserved.
+ * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
+ *
+ * This code is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License version 2 only, as
+ * published by the Free Software Foundation.  Oracle designates this
+ * particular file as subject to the "Classpath" exception as provided
+ * by Oracle in the LICENSE file that accompanied this code.
+ *
+ * This code 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
+ * version 2 for more details (a copy is included in the LICENSE file that
+ * accompanied this code).
+ *
+ * You should have received a copy of the GNU General Public License version
+ * 2 along with this work; if not, write to the Free Software Foundation,
+ * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
+ *
+ * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
+ * or visit www.oracle.com if you need additional information or have any
+ * questions.
+ */
+
+package java.lang;
+
+/** The CharacterData class encapsulates the large tables found in
+    Java.lang.Character. */
+
+class CharacterDataUndefined extends CharacterData {
+
+    int getProperties(int ch) {
+        return 0;
+    }
+
+    int getType(int ch) {
+	return Character.UNASSIGNED;
+    }
+
+    boolean isJavaIdentifierStart(int ch) {
+		return false;
+    }
+
+    boolean isJavaIdentifierPart(int ch) {
+		return false;
+    }
+
+    boolean isUnicodeIdentifierStart(int ch) {
+		return false;
+    }
+
+    boolean isUnicodeIdentifierPart(int ch) {
+		return false;
+    }
+
+    boolean isIdentifierIgnorable(int ch) {
+		return false;
+    }
+
+    int toLowerCase(int ch) {
+		return ch;
+    }
+
+    int toUpperCase(int ch) {
+		return ch;
+    }
+
+    int toTitleCase(int ch) {
+		return ch;
+    }
+
+    int digit(int ch, int radix) {
+		return -1;
+    }
+
+    int getNumericValue(int ch) {
+		return -1;
+    }
+
+    boolean isWhitespace(int ch) {
+		return false;
+    }
+
+    byte getDirectionality(int ch) {
+		return Character.DIRECTIONALITY_UNDEFINED;
+    }
+
+    boolean isMirrored(int ch) {
+		return false;
+    }
+
+    static final CharacterData instance = new CharacterDataUndefined();
+    private CharacterDataUndefined() {};
+}