Going through the tutorial i notice an error at the bottom of page 17
in the .pdf manual:
(make-instance 'gorilla :name "Lucy" :description :aggressive)
(make-instance 'gorilla :name "Robert" :description :playful)
(make-instance 'gorilla :name "John" :description :aggressive))) ;;;<
2x extra parens
The error does not appear on line 147 of the tutorial @
http://bknr.net/trac/browser/trunk/bknr/datastore/src/indices/tutorial.lisp