// Based on 310985 revision 310985 as attested by http://tinyurl.com/8njps
// see also http://tinyurl.com/c2rp5
A JoranConfiguratorBase instance should not be used more than once to configure a Context.
// the contextProperty pattern is deprecated. It is undocumented
// and will be dropped in future versions of logback
// The following line adds the capability to parse nested components