anchor.diff:  (define-keysym :KP-BACK-TAB #x1000ff75)
   (define-keysym :EXT16BIT-L #x1000ff76)
   (define-keysym :EXT16BIT-R #x1000ff77)
  -(define-keysym :MUTE--ACUTE #x100000a8)
  -(define-keysym :MUTE--GRAVE #x100000a9)
  +(define-keysym :MUTE-ACUTE #x100000a8)
  +(define-keysym :MUTE-GRAVE #x100000a9)
   (define-keysym :MUTE-ASCIICIRCUM #x100000aa)
  -(define-keysym :MUTE--DIAERESIS #x100000ab)
  +(define-keysym :MUTE-DIAERESIS #x100000ab)
   (define-keysym :MUTE-ASCII-TILDE #x100000ac)
   (define-keysym :LIRA #x100000af)
   (define-keysym :GUILDER #x100000be)
  
positive.code: (define-keysym :ISO-EMPHASIZE #xfe32)
  (define-keysym :ISO-CENTER-OBJECT #xfe33)
  (define-keysym :ISO-ENTER #xfe34)
  (define-keysym :DEAD--GRAVE #xfe50)
  (define-keysym :DEAD--ACUTE #xfe51)
  (define-keysym :DEAD--CIRCUMFLEX #xfe52)
  (define-keysym :DEAD--TILDE #xfe53)
  (define-keysym :DEAD--MACRON #xfe54)
  (define-keysym :DEAD--BREVE #xfe55)
  (define-keysym :DEAD--ABOVEDOT #xfe56)
  (define-keysym :DEAD--DIAERESIS #xfe57)
  (define-keysym :DEAD-ABOVE-RING #xfe58)
  (define-keysym :DEAD--DOUBLEACUTE #xfe59)
  (define-keysym :DEAD--CARON #xfe5a)
  (define-keysym :DEAD--CEDILLA #xfe5b)
  (define-keysym :DEAD--OGONEK #xfe5c)
  (define-keysym :DEAD-IOTA #xfe5d)
  (define-keysym :DEAD-VOICED-SOUND #xfe5e)
  (define-keysym :DEAD-SEMIVOICED-SOUND #xfe5f)
  
negative.code: (define-keysym :HP-RESET #x1000ff6c)
  (define-keysym :HP-SYSTEM #x1000ff6d)
  (define-keysym :HP-USER #x1000ff6e)
  (define-keysym :HP-MUTE-ACUTE #x100000a8)
  (define-keysym :HP-MUTE-GRAVE #x100000a9)
  (define-keysym :HP-MUTE-ASCIICIRCUM #x100000aa)
  (define-keysym :HP-MUTE-DIAERESIS #x100000ab)
  (define-keysym :HP-MUTE-ASCII-TILDE #x100000ac)
  (define-keysym :HP-LIRA #x100000af)
  (define-keysym :HP-GUILDER #x100000be)
  