anchor.diff:         "; f" 'follow-hint-new-buffer
          "button9" 'history-forwards
          "button8" 'history-backwards
  -
  -       "h" 'scroll-left
  -       "j" 'scroll-down
  -       "k" 'scroll-up
  -       "l" 'scroll-right
  -       "left" 'scroll-left
  -       "down" 'scroll-down
  -       "up" 'scroll-up
  -       "right" 'scroll-right
  -       ;; keypad:
  -       "pageend" 'scroll-to-bottom
  -       "pagehome" 'scroll-to-top
  -       ;; keypad, gtk:
  -       "keypadleft" 'scroll-left
  -       "keypaddown" 'scroll-down
  -       "keypadup" 'scroll-up
  -       "keypadright" 'scroll-right
  -       "keypadend" 'scroll-to-bottom
  -       "keypadhome" 'scroll-to-top
  -       "keypadnext" 'scroll-page-down
  -       "keypadpageup" 'scroll-page-up
  -       "keypadprior" 'scroll-page-up
  -
          "C-v" 'paste
          "+" 'zoom-in-page
          "hyphen" 'zoom-out-page
  
positive.code:        "g h" 'jump-to-heading ; REVIEW: VI binding?  "gh" is probably good enough.
         "/" 'search-buffer
         "?" 'remove-search-hints
         "G" 'scroll-to-bottom
         "g g" 'scroll-to-top
         "C-f" 'scroll-page-down
  
negative.code:        "C-v" 'scroll-page-down
         "M-v" 'scroll-page-up
         "C-M-l" 'copy-url
         "C-M-i" 'copy-title)
  
        scheme:vi-normal
        (list
  