jboss-logging/jboss-logmanager — pull request #68 by olivergondza (2014-11-27 09:45:28+00:00)
Title: Use null to singnal unknown file/class/method name

`ExtLogRecord` uses undocumented special value to represent *unknown* log source. According to `java.util.logging.LogRecord` javadoc, `null` should be used for that.