[eclipse-announce] Where can I find Extension Point Schema for built-in

["Jun Zhu" <zhujun@xxxxxxxxxx>]

Hi,all

     In eclipse, each extension must conform to the specification of
certain extension point, which is defined by a extension point schema. The
problems is I only found several .xsd files in my eclipse installation
path. Where is other Extension Point Schema files , or they just do not
exist at all?

     Thanks!