;;; This is p196-log.lsp
;;; with some bits from trying to run the code on p196.lsp
;;; Greg Bennett is running sbcl-1.5.8 in emacs using mcclim-20191227-git

;;; after loading p196.lsp ..
;;; When I type (run-dingus (find-port)) the immediate result is:
There is no class named COMMON-LISP:NIL.
   [Condition of type SB-PCL:CLASS-NOT-FOUND-ERROR]
;;; In the backtrace, I find
 1: ((:METHOD MAKE-INSTANCE (SYMBOL)) NIL :FRAME #<DINGUS {10059E8703}> :MANAGER #<CLIM-CLX::CLX-FRAME-MANAGER {1001550123}> :PORT #<MCCLIM-TRUETYPE::CLX-TTF-PORT :HOST "" :DISPLAY-ID 0 {10046274E3}> :INP..
      Locals:
        CLASS = NIL
        SB-DEBUG::MORE = (:FRAME #<DINGUS {10059E8703}> :MANAGER #<CLIM-CLX::CLX-FRAME-MANAGER {1001550123}> :PORT #<MCCLIM-TRUETYPE::CLX-TTF-PORT :HOST "" :DISPLAY-ID 0 {10046274E3}> ...)
;;; where the CLASS = NIL is what I presume to be the cause of the ERROR
;;; Immediately before this in the backtrace I find
        SB-DEBUG::MORE = (:FRAME #<DINGUS {10059E8703}> :MANAGER #<CLIM-CLX::CLX-FRAME-MANAGER {1001550123}> :PORT #<MCCLIM-TRUETYPE::CLX-TTF-PORT :HOST "" :DISPLAY-ID 0 {10046274E3}> ...)
  2: ((FLET CALL-NEXT-METHOD :IN "/home/gwbennett/quicklisp/dists/quicklisp/software/mcclim-20191227-git/Core/clim-core/frames.lisp") #<CLIM-CLX::CLX-FRAME-MANAGER {1001550123}> #<DINGUS {10059E8703}> ACCE..
      Locals:
        SB-DEBUG::MORE = (#<CLIM-CLX::CLX-FRAME-MANAGER {1001550123}> #<DINGUS {10059E8703}> ACCEPT-VALUES :INPUT-BUFFER #<CLIM-INTERNALS::CONCURRENT-EVENT-QUEUE {10059E8B23}> :NAME ...)