anchor.diff:    :maunch-media-select
     :launch-app1
     :launch-app2
  -  :oem1
  +  (:oem1 #xba) ;; varies, ";:" on us
     :oem-plus
     :oem-comma
     :oem-minus
  
positive.code:   :m-button
    :x-button1
    :x-button2
    :backspace
    :tab
    :clear
    :return
    (:shift 16)
    (:control 17)
    :menu
    :pause
    :capital
    (:kana #x15)
    (:junja #x17)
    (:final #x18)
    (:hanja #x19)
    (:escape #x1B)
    (:convert #x1C)
    (:no-convert #x1D)
  
negative.code:   (:select 41)
    (:print 42)
    (:execute 43)
    (:snapshot 44) ;; printscreen
    (:insert 45)
    (:delete 46)
    (:help 47)
  