0.7.7.16:
[sbcl.git] / src / code / target-format.lisp
index bf26753..5616393 100644 (file)
           (interpret-directive-list stream (cdr directives) orig-args args))
          (format-directive
           (multiple-value-bind (new-directives new-args)
-              (let ((function
-                     (svref *format-directive-interpreters*
-                            (char-code (format-directive-character
-                                        directive))))
-                    (*default-format-error-offset*
-                     (1- (format-directive-end directive))))
+              (let* ((character (format-directive-character directive))
+                     (function
+                      (svref *format-directive-interpreters*
+                             (char-code character)))
+                     (*default-format-error-offset*
+                      (1- (format-directive-end directive))))
                 (unless function
                   (error 'format-error
-                         :complaint "unknown format directive"))
+                         :complaint "unknown format directive ~@[(character: ~A)~]"
+                         :args (list (char-name character))))
                 (multiple-value-bind (new-directives new-args)
                     (funcall function stream directive
                              (cdr directives) orig-args args)
   (let* ((name (char-name char)))
     (cond (name
           (write-string (string-capitalize name) stream))
-         ((<= 0 (char-code char) 31)
-          ;; Print control characters as "^"<char>. (This seems to be
-          ;; old pre-ANSI behavior, but ANSI just says that the "#^"
-          ;; sequence is undefined and not reserved for the user, so
-          ;; this behavior should be ANSI-compliant.)
-          (write-char #\^ stream)
-          (write-char (code-char (+ 64 (char-code char))) stream))
          (t
           (write-char char stream)))))