pyreadline3
	rlmain      #contains Readline class 
	clipboard   #clipboard functions
	console     #console interface
	keysyms     #key symbol mappings
	logger      #logging
	release     #release info
	 
	lineeditor
		history     #implement history buffer
		lineobj     #implement lineeditor interface
		wordmatcher #functions for finding word boundaries

	modes             #editor modes
		emacs     #emacs mode
		notemacs  #crippled emacs for testing of mode selection functionality