Bug 95548 Editors page not sized properly on startup
build N20050517, open preferences dialog to editors page (under General). now close and open the dialog again and note that the dialog is too short.
bundles/org.eclipse.jface/src/org/eclipse/jface/preference/PreferenceDialog.java
}
	/*
	 * (non-Javadoc)
	 * 
	 * @see org.eclipse.jface.dialogs.Dialog#cancelPressed()
	 */
	protected void cancelPressed() {
		
		Iterator nodes = preferenceManager.getElements(PreferenceManager.PRE_ORDER).iterator();
		while (nodes.hasNext()) {
			final IPreferenceNode node = (IPreferenceNode) nodes.next();
			if (getPage(node) != null) {
				SafeRunnable.run(new SafeRunnable() {
					public void run() {
						if (!getPage(node).performCancel())
							return;
					}
				});
			}
		}
		setReturnCode(CANCEL);
		close();
	}
	/**
	 * Clear the last selected node. This is so that we not chache the last
	 * selection in case of an error.
	 */
	void clearSelectedNode() {
		setSelectedNodePreference(null);
	}