Introduction
============
This package allows you to modify an Archetypes schema, using simple
adapters. This can be used to add new fields, reorder fields and fieldsets
or make other changes.
The most common use of schema extension is to allow add-on products to
enhance standard Plone content types, for example by adding an option
that can be set to toggle special behaviour.
schemaextender hooks into the Archetypes framework by registering
an ISchema adapter for BaseContent and BaseFolder, making it responsible
for providing the schema for all types derived from those classes. This
includes all standard Plone content types. Since only one ...