Bug 87856 [Commands] Last closed editor leaked due to reference by command manager
bundles/org.eclipse.core.commands/src/org/eclipse/core/commands/Command.java
final boolean nameChanged = !Util.equals(this.name, name);
		this.name = name;
		final boolean descriptionChanged = !Util.equals(this.description,
				description);
		this.description = description;
		final boolean categoryChanged = !Util.equals(this.category, category);
		this.category = category;
		final boolean parametersChanged = !Util.equals(this.parameters,
				parameters);
		this.parameters = parameters;
		fireCommandChanged(new CommandEvent(this, categoryChanged,
				definedChanged, descriptionChanged, false, nameChanged,
				parametersChanged));
	}
	/**
	 * Tests whether this command is equal to another object. A command is only
	 * equal to another command with the same parameters.
	 * 
	 * @param object
	 *            The object with which to compare; may be <code>null</code>.
	 * @return <code>true</code> if the commands are equal; <code>false</code>
	 *         otherwise.
	 */
	public final boolean equals(final Object object) {
		
		if (object == this) {
			return true;
		}
		
		if (!(object instanceof Command))