2004-01-07  Sascha Brawer  <brawer@dandelis.ch>

	* javax/swing/DefaultBoundedRangeModel.java: Documented API.
	(changeEvent): Create event object on demand.
	(DefaultBoundedRangeModel, toString, setValue, setExtent,
	setMinimum, setMaximum, setValueIsAdjusting, setRangeProperties,
	fireStateChanged): Re-written.
	* javax/swing/event/EventListenerList.java: Reformatted, document
	typical usage.
	(toString): Implemented.
	(getListeners): Re-written.
	(remove): Re-written.
	(add): Re-written.
	(NO_LISTENERS): New singleton field.
	(listenerList): Declare as transient; document.
	(serialVersionUID): Document.
	(getListenerCount(Class)): More efficient implementation,
	also accepts null argument.  Improve Javadoc.
	(getListenerCount()): Remove unnecessary cast; docfix.
	* javax/swing/undo/UndoableEditSupport.java:
	Re-format, document.
	(UndoableEditSupport): Set realSource field. Improve documentation.
	(_postEdit): Iterate over cloned listener vector.
	(toString): Don't emit realSource.
	(beginUpdate, endUpdate): Support nested updates.
	(postEdit): Use compound edit if present.

From-SVN: r75505