cubicweb #2459826 explain how to use on_fire_transition in hooks [open]

Changing something when a state changes is a common need, read http://lists.cubicweb.org/pipermail/cubicweb/2012-August/001200.html for details and introduce that in the cubicweb book.

prioritynormal
typeenhancement
done in<not specified>
load0.200
load left0.200
closed by<not specified>