Here is a list of other useful commands for vi.  For
	a comprehensive list of commands, see the "VI QUICK
	REFERENCE" card.

	:wq	write and quit
	:e xxx	edit file 'xxx'
	:sh	run a subshell
	
	n	repeat last search
	N	repeat last search but in opposite direction
	%	find matching brace or parenthesis
	)	forward to next sentence
		or to next s-expr (lisp option)
	(	backward sentence
		or back s-expr (lisp option)
	
	''	back to previous location
	mX	mark this spot with letter 'X'
	'X	go back to spot marked with 'X'

	J	join this line and next
	D	delete to end of line (same as d$)
	X	delete character before cursor

	>	left shift operator
	<	right shift operator
	!	filter thru command operator
			
	:[addr1,addr2]s/pattern/replacement/[option]
		general pattern-match replacement (see ed(1) and ex(1))

	:r fn	read file "fn" into buffer
	
	:[addr1,addr2]d
		delete everything between addr1 and addr2