buf.append(super.getMessage());
buf.append(message);
	public String getMessage() {		if(line == 0)			return super.getMessage();		else {			StringBuffer buf = new StringBuffer();			buf.append(super.getMessage());			buf.append(" [at line ");			buf.append(getLine());			buf.append(", column ");			buf.append(getColumn());			buf.append("]");			return buf.toString();		}	}