26. The system for presenting an electronic document of claim 24 wherein the property editor includes an audio control that is operative with the reduction engine to enable an author to change a volume and an tone quality of audio in an audio file associated with the electronic document.
24. The system for presenting an electronic document of claim 19 wherein the second analysis module further comprises a reduction engine that interacts with an appearance control of the property editor to select a background color or pattern and to select a size and a typeface display of the electronic document to a viewer.