anchor.diff:  ;;   second return value.
   ;;
   ;;   Rather than using COMPILE, this approach does not require special
  -;;   binding onto *BREAK-ON-SIGNALS* for some implementations.
  +;;   binding onto *BREAK-ON-SIGNALS* for some implementations.FD
   ;;
   ;;   COMPILE itself may inject a null lexical environment, even when
   ;;   compiling anonymous lambda forms, on some implementations. This may
  
positive.code:   ()
    (:report
     (lambda (c s)
       (format s "~<Error when compiling lambda form~>~< ~S~>"
               (lambda-compile-condition-form c)))))
  
  ;; ----
  
  
negative.code: ;; ----
  
  (define-condition compile-condition ()
    ;; TBD: Portable "In-what-section" declaration
    ((condition
      :initarg :condition
      ;; NB: This accessor represents a prototype and, as such, is not
      ;; presently exported from #:LTP/COMMON
      :reader compile-condition-condition)))
  
  (define-condition lambda-compile-condition (compile-condition)
    ((form
  