anchor.diff:         "C-c" #'copy
          "button9" #'history-forwards
          "button8" #'history-backwards
  -       "up" #'scroll-up
  -       "down" #'scroll-down
          "C-+" #'zoom-in-page
          "C-=" #'zoom-in-page             ; Because + shifted = on QWERTY.
          "C-hyphen" #'zoom-out-page
  
positive.code:        "M-c t" #'copy-title
         ;; Leave SPACE unbound so that the renderer decides wether to
         ;; insert of scroll.
         "s-space" #'scroll-page-up
  
         ;; keypad:
         "pageup" #'scroll-page-up
  
negative.code:        "M-w" #'copy-title
         ;; Leave 'space' unbound so that the renderer decides wether to insert of
         ;; scroll.
  
         ;; keypad:
         "pageup" #'scroll-page-up
  