obtained gcc-4.6.4.tar.bz2 from upstream website;upstream

verified gcc-4.6.4.tar.bz2.sig;
imported gcc-4.6.4 source tree from verified upstream tarball.

downloading a git-generated archive based on the 'upstream' tag
should provide you with a source tree that is binary identical
to the one extracted from the above tarball.

if you have obtained the source via the command 'git clone',
however, do note that line-endings of files in your working
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1 files changed, 117 insertions, 0 deletions

diff --git a/libjava/classpath/javax/swing/text/MutableAttributeSet.java b/libjava/classpath/javax/swing/text/MutableAttributeSet.java
new file mode 100644
index 000000000..eb52be5c8
--- /dev/null
+++ b/libjava/classpath/javax/swing/text/MutableAttributeSet.java
@@ -0,0 +1,117 @@
+/* MutableAttributeSet.java --
+   Copyright (C) 2002, 2004, 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 javax.swing.text;
+
+import java.util.Enumeration;
+
+/**
+ * An {@link AttributeSet} that supports modification of the stored
+ * attributes.
+ *
+ * @author      Andrew Selkirk
+ * @since 1.2
+ */
+public interface MutableAttributeSet extends AttributeSet
+{
+  /**
+   * Adds an attribute with the given <code>name</code> and <code>value</code>
+   * to the set.  If the set already contains an attribute with the given
+   * <code>name</code>, the attribute value is updated.
+   *
+   * @param name  the attribute name (<code>null</code> not permitted).
+   * @param value  the value (<code>null</code> not permitted).
+   *
+   * @throws NullPointerException if either argument is <code>null</code>.
+   */
+  void addAttribute(Object name, Object value);
+
+  /**
+   * Adds all the attributes from <code>attributes</code> to this set.
+   *
+   * @param attributes  the set of attributes to add (<code>null</code> not
+   *                    permitted).
+   *
+   * @throws NullPointerException if <code>attributes</code> is
+   *         <code>null</code>.
+   */
+  void addAttributes(AttributeSet attributes);
+
+  /**
+   * Removes the attribute with the specified <code>name</code>, if this
+   * attribute is defined.  This method will only remove an attribute from
+   * this set, not from the resolving parent.
+   *
+   * @param name  the attribute name (<code>null</code> not permitted).
+   *
+   * @throws NullPointerException if <code>name</code> is <code>null</code>.
+   */
+  void removeAttribute(Object name);
+
+  /**
+   * Removes the attributes listed in <code>names</code>.
+   *
+   * @param names  the attribute names (<code>null</code> not permitted).
+   *
+   * @throws NullPointerException if <code>names</code> is <code>null</code>
+   *         or contains any <code>null</code> values.
+   */
+  void removeAttributes(Enumeration<?> names);
+
+  /**
+   * Removes attributes from this set if they are found in the
+   * given set.  Only attributes whose key AND value are removed.
+   * Removes attributes only from this set, not from the resolving parent.
+   * Since the resolving parent is stored as an attribute, if
+   * <code>attributes</code> has the same resolving parent as this set, the
+   * parent will be removed from this set.
+   *
+   * @param attributes  the attributes (<code>null</code> not permitted).
+   */
+  void removeAttributes(AttributeSet attributes);
+
+  /**
+   * Sets the reolving parent for this set.  When looking up an attribute, if
+   * it is not found in this set, then the resolving parent is also used for
+   * the lookup.
+   *
+   * @param parent  the parent attribute set (<code>null</code> not permitted).
+   *
+   * @throws NullPointerException if <code>parent</code> is <code>null</code>.
+   */
+  void setResolveParent(AttributeSet parent);
+}