Basic features in Viewer titles include the following:
Context strings
Topic titles
Index keywords
Browse sequences
Jumps
Popup-window topics
16-color bitmap references
Nonscrolling regions
Nonwrapping text
Context stringsContext stringsTopic titlesIndex keywordsBrowse sequencesJumpsPopup-window topics16-color bitmap referencesNonscrolling regionsNonwrapping text