0.8.1.33:

[sbcl.git] / src / code / pprint.lisp

diff --git a/src/code/pprint.lisp b/src/code/pprint.lisp
index af346a5..d17ccfc 100644 (file)
--- a/src/code/pprint.lisp
+++ b/src/code/pprint.lisp
@@ -314,16 +314,17 @@
   ;; (In the PPRINT-LOGICAL-BLOCK form which calls us,
   ;; :PREFIX and :PER-LINE-PREFIX have hairy defaulting behavior,
   ;; and might end up being NIL.)
-  (declare (type (or null string prefix)))
+  (declare (type (or null string) prefix))
   ;; (But the defaulting behavior of PPRINT-LOGICAL-BLOCK :SUFFIX is
   ;; trivial, so it should always be a string.)
   (declare (type string suffix))
   (when prefix
+    (setq prefix (coerce prefix 'simple-string))
     (pretty-sout stream prefix 0 (length prefix)))
   (let* ((pending-blocks (pretty-stream-pending-blocks stream))
         (start (enqueue stream block-start
                         :prefix (and per-line-p prefix)
-                        :suffix suffix
+                        :suffix (coerce suffix 'simple-string)
                         :depth (length pending-blocks))))
     (setf (pretty-stream-pending-blocks stream)
          (cons start pending-blocks))))
@@ -1006,7 +1007,7 @@
                                (index index)
                                (step (reduce #'* dims))
                                (count 0))
-                          (loop                                
+                          (loop
                             (pprint-pop)
                             (output-guts stream index dims)
                             (when (= (incf count) dim)