xbitmap1	simplest bitmap editor, using BitmapEdit
xbitmap2	add small pixmaps to xbitmap1 using Label widgets, using BitmapEdit.  Also add file writing.
xbitmap3	add small pixmaps to xbitmap1 using Core widgets, using BitmapEdit.
xbitmap4	implement xbitmap1 NOT USING BitmapEdit
BitmapEdit.c	Source file for BitmapEdit widget, described in chapters 5 and 6.
BitmapEdiP.h	Private include file for BitmapEdit, described in Chapter 5.
BitmapEdit.h	Public include file for BitmapEdit, described in Chapter 5.


Not described in book:

xbitmap6	add scrollbars to xbitmap1 using individual Scrollbars, using BitmapEdit
xbitmap7	both scrollbars and small pixmaps to xbitmap1, using BitmapEdit
xbitmap8	using BitmapEdit, both reads and writes standard bitmap files.
Complete code for xbitmap8 is shown in Appendix E.

