setUserCommentInputEnableFromSwingThread(true);
	void updateCommentsFromLeafInformation(final BugLeafNode node) {		SwingUtilities.invokeLater(new Runnable() {			public void run() {				BugInstance bug = node.getBug();				setCurrentUserCommentsText(bug.getAnnotationText());				designationComboBox.setSelectedIndex(designationKeys						.indexOf(bug.getNonnullUserDesignation()								.getDesignationKey()));				changed = false;			}		});	}