if (boldFont != null) { boldFont.dispose();
if (renderer != null) { renderer.dispose(); renderer = null;
void handleDispose() {	clipboard.dispose();	ibeamCursor.dispose();	if (boldFont != null) {		boldFont.dispose();	}	if (content != null) {		content.removeTextChangeListener(textChangeListener);	}		if (leftCaretBitmap != null) {		leftCaretBitmap.dispose();	}	if (rightCaretBitmap != null) {		rightCaretBitmap.dispose();	}	if (isBidi()) {		StyledTextBidi.removeLanguageListener(this);	}}