Bug 62716 Java Editor Text Hover prefs: Error Message stays unless row selected
200405180816 - Open Java > Editor > Hovers prefs page - Click or doubleclick checkbox in front of "Variable Values" to check -> Error message, is OK - Click again to uncheck => Error message persists. Only goes away after clicking into the table or selecting another row.
org.eclipse.jdt.ui/ui/org/eclipse/jdt/internal/ui/preferences/JavaEditorHoverConfigurationBlock.java
checkBox.setText(label);
		
		GridData gd= new GridData(GridData.HORIZONTAL_ALIGN_BEGINNING);
		gd.horizontalIndent= indentation;
		gd.horizontalSpan= 2;
		checkBox.setLayoutData(gd);
		checkBox.addSelectionListener(fCheckBoxListener);
		
		fCheckBoxes.put(checkBox, key);
		
		return checkBox;
	}
	
	private void addFiller(Composite composite) {
		PixelConverter pixelConverter= new PixelConverter(composite);
		Label filler= new Label(composite, SWT.LEFT );
		GridData gd= new GridData(GridData.HORIZONTAL_ALIGN_FILL);
		gd.horizontalSpan= 2;
		gd.heightHint= pixelConverter.convertHeightInCharsToPixels(1) / 2;
		filler.setLayoutData(gd);
	}
	
	/*
	 * @see DialogPage#dispose()
	 */
	public void dispose() {
		
	}
}