anchor.diff:  
   ;; kernel
   (define-exported-cfuns ("def_prog_mode" "def_shell_mode" "reset_prog_mode"
  -           "reset_shell_mode" "resetty" "savetty")
  +                        "reset_shell_mode" "resetty" "savetty")
       :int)
   
   ;; Something about getsyx/setsyx and ripoffline.  Definitions look either
  
positive.code: (define-exported-constant KEY_HOME        406)
  (define-exported-constant KEY_BACKSPACE   407)
  (define-exported-constant KEY_F0          410)
  (export 'key_fn)
  (defun                    key_fn (n)      (+ KEY_F0 n))
  (define-exported-constant KEY_DL          510)
  (define-exported-constant KEY_IL          511)
  (define-exported-constant KEY_DC          512)
  
negative.code: 
  ;; getyx
  (define-exported-cfuns ("getcurx" "getcury" "getbegx" "getbegy"
                          "getmaxx" "getmaxy" "getparx" "getpary")
      :int
    (win window-ptr))
  
  