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diff --git a/libjava/classpath/gnu/java/util/regex/RETokenRange.java b/libjava/classpath/gnu/java/util/regex/RETokenRange.java
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+++ b/libjava/classpath/gnu/java/util/regex/RETokenRange.java
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+/* gnu/regexp/RETokenRange.java
+   Copyright (C) 2006 Free Software Foundation, Inc.
+
+This file is part of GNU Classpath.
+
+GNU Classpath 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 2, or (at your option)
+any later version.
+
+GNU Classpath 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 GNU Classpath; see the file COPYING.  If not, write to the
+Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
+02110-1301 USA.
+
+Linking this library statically or dynamically with other modules is
+making a combined work based on this library.  Thus, the terms and
+conditions of the GNU General Public License cover the whole
+combination.
+
+As a special exception, the copyright holders of this library give you
+permission to link this library with independent modules to produce an
+executable, regardless of the license terms of these independent
+modules, and to copy and distribute the resulting executable under
+terms of your choice, provided that you also meet, for each linked
+independent module, the terms and conditions of the license of that
+module.  An independent module is a module which is not derived from
+or based on this library.  If you modify this library, you may extend
+this exception to your version of the library, but you are not
+obligated to do so.  If you do not wish to do so, delete this
+exception statement from your version. */
+
+package gnu.java.util.regex;
+
+import gnu.java.lang.CPStringBuilder;
+
+final class RETokenRange extends REToken
+{
+  private char lo, hi;
+  private boolean insens;
+
+    RETokenRange (int subIndex, char lo, char hi, boolean ins)
+  {
+    super (subIndex);
+    insens = ins;
+    this.lo = lo;
+    this.hi = hi;
+  }
+
+  int getMinimumLength ()
+  {
+    return 1;
+  }
+
+  int getMaximumLength ()
+  {
+    return 1;
+  }
+
+  REMatch matchThis (CharIndexed input, REMatch mymatch)
+  {
+    char c = input.charAt (mymatch.index);
+    if (matchOneChar (c))
+      {
+        ++mymatch.index;
+        return mymatch;
+      }
+    return null;
+  }
+
+  boolean matchOneChar (char c)
+  {
+    if (c == CharIndexed.OUT_OF_BOUNDS)
+      return false;
+    boolean matches = (c >= lo) && (c <= hi);
+    if (!matches && insens)
+      {
+        char c1 = toLowerCase (c, unicodeAware);
+        matches = (c1 >= lo) && (c1 <= hi);
+        if (!matches)
+          {
+            c1 = toUpperCase (c, unicodeAware);
+            matches = (c1 >= lo) && (c1 <= hi);
+          }
+      }
+    return matches;
+  }
+
+  boolean returnsFixedLengthMatches ()
+  {
+    return true;
+  }
+
+  int findFixedLengthMatches (CharIndexed input, REMatch mymatch, int max)
+  {
+    int index = mymatch.index;
+    int numRepeats = 0;
+    while (true)
+      {
+        if (numRepeats >= max)
+          break;
+        char ch = input.charAt (index++);
+        if (!matchOneChar (ch))
+          break;
+        numRepeats++;
+      }
+    return numRepeats;
+  }
+
+  void dump (CPStringBuilder os)
+  {
+    os.append (lo).append ('-').append (hi);
+  }
+}