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Requirements for the Ext core module.
Phase-Requirements
Updated Mar 27, 2011 by jesdisci...@gmail.com

Introduction

This page enumerates the requirements for the Ext core module.

The key words "MUST", "MUST NOT", "REQUIRED", "SHALL", "SHALL NOT", "SHOULD", "SHOULD NOT", "RECOMMENDED", "MAY", and "OPTIONAL" in this document are to be interpreted as described in RFC 2119.

Details

This module MUST NOT assume the presence of any others except the following:

It MUST provide an API for registering listeners specific to objects ("host objects") for events of arbitrary types, and firing events of likewise arbitrary types. Each event has a scope, as does each listener; the precise definition of a scope is left for later delineation.

A listener MUST be triggered when its scope overlaps that of a fired event of the same type, and MUST NOT be triggered under any other circumstances. (The initial implementation MAY allow listeners to be directly triggered by code which has access to the host object.)

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