Provides an information provider add-on for an ITextViewer.
An information provider presents information for a certain subject in a
specific information control. An information control usually is a floating
window.
Package Specification
IInformationPresenter defines the concept of an information provider.
It collaborates with content type specific information providers (IInformationProvider)
which determine for a certain offset in a text viewer an information subject
and the information available about this subject.. The package contains
a default implementation of IInformationPresenter (InformationPresenter).