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diff --git a/libjava/classpath/gnu/javax/swing/text/html/parser/htmlAttributeSet.java b/libjava/classpath/gnu/javax/swing/text/html/parser/htmlAttributeSet.java
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+/* htmlAttributeSet.java -- A set to store HTML attributes
+   Copyright (C) 2005 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.javax.swing.text.html.parser;
+
+import java.util.Enumeration;
+
+import javax.swing.text.AttributeSet;
+import javax.swing.text.SimpleAttributeSet;
+import javax.swing.text.html.HTML;
+
+/**
+ * A set, adapted to store HTML attributes.
+ *
+ * @author Audrius Meskauskas, Lithuania (AudriusA@Bioinformatics.org)
+ */
+public class htmlAttributeSet
+  extends SimpleAttributeSet
+{
+  public static final htmlAttributeSet EMPTY_HTML_ATTRIBUTE_SET =
+    new htmlAttributeSet();
+
+  AttributeSet parent;
+
+  /**
+   * Looks in this set and, if not found, later looks in the parent set. Calls
+   * toString(), allowing to pass as HTML.Attribute, as String to this method.
+   *
+   * @param _key A key to search for a value.
+   * @return The value, if one is defined.
+   */
+  public Object getAttribute(Object _key)
+  {
+    Object v = super.getAttribute(_key);
+    if (v != null || _key == null)
+      return v;
+
+    Object key = _key.toString().toLowerCase();
+
+    v = super.getAttribute(key);
+    if (v != null)
+      return v;
+
+    key = HTML.getAttributeKey((String) key);
+    v = super.getAttribute(key);
+    if (v != null)
+      return v;
+
+    if (parent != null)
+      return parent.getAttribute(key);
+    else
+      return null;
+  }
+
+  /**
+   * The name set must return HTML.Attribute and not a string,
+   * where applicable.
+   */
+  public Enumeration getAttributeNames()
+  {
+    // Replace the string keys by HTML.attribute, where applicable
+    final Enumeration enumeration = super.getAttributeNames();
+
+    return new Enumeration()
+    {
+      public boolean hasMoreElements()
+      {
+        return enumeration.hasMoreElements();
+      }
+
+      public Object nextElement()
+      {
+        Object key = enumeration.nextElement();
+        if (key instanceof String)
+          {
+            HTML.Attribute hKey = HTML.getAttributeKey((String) key);
+            if (hKey != null)
+              return hKey;
+          }
+        return key;
+      }
+    };
+  }
+
+  /**
+   * Set the parent set, containing the default values.
+   *
+   * @param a_parent
+   */
+  public void setResolveParent(AttributeSet a_parent)
+  {
+    parent = a_parent;
+  }
+
+  /**
+   * Get the parent set, containing the default values.
+   *
+   * @return the parent, used to resolve the attributes.
+   */
+  public AttributeSet getResolveParent()
+  {
+    return parent;
+  }
+
+  /**
+   * Add the attribute to this attribute set.
+   *
+   * @param key Attribute key (if string, it will be case insensitive)
+   * @param value Attribute value
+   */
+  public void addAttribute(Object key, Object value)
+  {
+    if (key instanceof String)
+      super.addAttribute(((String) key).toLowerCase(), value);
+    else
+      super.addAttribute(key, value);
+  }
+
+  /**
+   * Copy attributes. The returned copy does not longer contains the extended
+   * features, needed to participate in the HTML parsing. The returned set may
+   * not be mutable.
+   */
+  public AttributeSet copyAttributes()
+  {
+    if (getAttributeCount() <= 8)
+      // For the small size, typical in HTML tags, the direct iteration is
+      // faster than more complex algorithms.
+      return new SmallHtmlAttributeSet(this);
+    else
+      return (AttributeSet) clone();
+  }
+
+  /**
+   * Returns a clone of the attribute set.
+   *
+   * @return A clone of the attribute set.
+   */
+  public Object clone()
+  {
+    htmlAttributeSet set = new htmlAttributeSet();
+    set.addAttributes(this);
+    AttributeSet parent = getResolveParent();
+    if (parent != null)
+      set.setResolveParent(parent);
+    return set;
+  }
+}