Help mode

desc	command	key
all keystrokes	help-for-help	C-h ?
all keybindings	describe-binding	C-h b
show manuals		C-h i
display documentation for a key	describe-key	C-h k
module info	describe-mode	C-h m
show version changelog		C-h n

desc	key
next page	n
previous page	p
up	u