The 'af' directory contains all source code for the cross-platform application framework. This directory contains the following subdirectories:
Source code for the event mechanism for the cross-platform application framework. This code contains the machinery to do key bindings, mouse bindings, menu bars, and tool bars. This code is currently used by the word processor, but we expect to also use it for the spreadsheet application.
Source code for graphics (drawing code, font code, etc.)
Source code for general-purpose utility functions.
Source code for application-neutral portion of the cross-platform framework defined in
FIXME: Need more overviews in sub directories...