Complex objects may be specified by a built-in language and may be imported into the document. The containment hierarchy of the document may be inspected, allowing the manipulation of objects in this way as well. Four Dimensional Dreams 3-D animation package. P. Hunzicker asked if it would be possible to have programmatical access to the internals of the 3D animation engine. This would allow one to create animated models from 3D data sets calculated by some other module.
Interactive composition is nice for small scenes, but quickly becomes tiresome.
Oberon components can be inserted as OLE objects into arbitrary OLE capable programs. This is still very much a work in progress, but looks promising. Persistance and printing still need work. HTML 4.0 WebNavigator, B. Eberhard Currently browses just on the local hard drive. Supports HTML4 and CSS2.