Add keys.
 [rsc] --rw-rw-r-- M 15674 glenda sys 865 Nov 10 10:48 sys/include/keyboard.h
	/n/sourcesdump/2005/1110/plan9/sys/include/keyboard.h:16,23 - 
	/n/sourcesdump/2005/1111/plan9/sys/include/keyboard.h:16,23
	  
	  
	  extern	Keyboardctl*	initkeyboard(char*);
	- extern	int			ctlkeyboard(Keyboardctl*, char*);
	- extern	void			closekeyboard(Keyboardctl*);
	+ extern	int		ctlkeyboard(Keyboardctl*, char*);
	+ extern	void		closekeyboard(Keyboardctl*);
	  
	  enum {
	  	KF=	0xF000,	/* Rune: beginning of private Unicode space */
	/n/sourcesdump/2005/1110/plan9/sys/include/keyboard.h:38,41 - 
	/n/sourcesdump/2005/1111/plan9/sys/include/keyboard.h:38,46
	  	Kalt=		KF|0x15,
	  	Kshift=	KF|0x16,
	  	Kctl=		KF|0x17,
	+ 
	+ 	Kbs=	0x08,
	+ 	Kdel=	0x7f,
	+ 	Kesc=	0x1b,
	+ 	Keof=	0x04,
	  };