Create an "extras" companion for log4j 1.2 Backport log4j 1.3 rolling file appender for use with log4j 1.2. ExpressionFilter backport. Add TimeFilter. Add XSLTLayout. Parameterized logging for log4j 1.2. FilterBasedTriggeringPolicy now usable with SMTPAppender. Avoid Turkish-i problem in ExpressionFilter. Enhance DOMConfigurator to delegate unrecognized elements to created objects.