The Expert documentation contains unresolved docbook tags <kw>...</kw> in
many places.
The new "calendars" rule attribute isn't mentioned. There's no
indication
that "duration" is now deprecated (as written in
http://blog.athico.com/2010/07/drools-51-m2-release-notes.html?utm_source...
Nothing is said about "Live queries". And the javadoc for openLiveQuery
describes neither its function, nor parameters or return type.
Javadoc's main page (the top-level index.html) compes up with
Drools 5.0.0 JavadocsBest
-W