tests/input/schema/valid/customLevel4.xml

<?xml version="1.0" encoding="UTF-8" ?>
<configuration debug="true" 
                     xmlns='http://logging.apache.org/'
    				 xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
                     xsi:schemaLocation="http://logging.apache.org/ logging.xsd">

  <appender name="TEMP" class="org.apache.log4j.FileAppender">
    <param name="Append" value="false" />
    <param name="File"   value="output/temp" />
    <layout class="org.apache.log4j.PatternLayout">
      <param name="ConversionPattern"
	value="%-5p %c{2} - %m\n"/>
    </layout>
  </appender>

    <!-- Prevent internal log4j DEBUG messages from polluting the output. -->
  <logger name="org.apache.log4j.joran"><level value="INFO" /></logger>
  <logger name="org.apache.log4j.config"><level value="INFO" /></logger>
  <logger name="org.apache.log4j.FileAppender"><level value="INFO" /></logger>
  <logger name="org.apache.log4j.xml.Log4jEntityResolver"><level value="ERROR" /></logger>

  <root>
    <level value="TRACE#org.apache.log4j.xml.XLevel"/>
    <appender-ref ref="TEMP" />
  </root>
</configuration>