This document defines a pattern of propagating signals through hierarchies of components.
Copyright and Language can be found in RFC1
This document is governed by the Consensus-Oriented Specification System (COSS).
An event generated by a child MUST propagate to its parent; and so on so forth until there are no more parents left.
One significant difference between
Request is that
Request supports multiple inputs. Multiple observers may contribute to the return value of a given request; the first one to return an appropriate response wins.
In the majority of cases, a request will have 0-1 observers.