[logback-user] Missing documentation

[Steve Cohen]

Javadocs at 
http://logback.qos.ch/apidocs/index.html?ch/qos/logback/core/net/package-summary.html 
as well as 
http://logback.qos.ch/apidocs/ch/qos/logback/classic/net/JMSQueueAppender.html 
refers (under the heading JMSAppenderBase<E>) as follows:

> please refer to: http://logback.qos.ch/manual/appenders.html#JMSAppenderBase
> please refer to: http://logback.qos.ch/manual/appenders.html#JMSQueueAppender


However, no such anchors exist on this manual page and the extra 
information appears to be unavailable.