(edmacro-format-keys): Use edmacro-sanitize-for-string.

Use vconcat instead of concat.
(edmacro-sanitize-for-string): New function.

diff --git a/lisp/edmacro.el b/lisp/edmacro.el
index 4ec62152db5205deefbb2fa47bfe9394e4867ad0..91618b578b61c77efed260bbb648bf88c90f7e54 100644 (file)
--- a/lisp/edmacro.el
+++ b/lisp/edmacro.el
@@ -418,7 +418,7 @@ doubt, use whitespace."
                         (while (memq (aref rest-mac i) (cdr mdigs))
                           (incf i))
                         (and (not (memq (aref rest-mac i) pkeys))
-                             (prog1 (concat "M-" (edmacro-subseq rest-mac 0 i) " ")
+                             (prog1 (vconcat "M-" (edmacro-subseq rest-mac 0 i) " ")
                                (callf edmacro-subseq rest-mac i)))))
                  (and (eq (aref rest-mac 0) ?\C-u)
                       (eq (key-binding [?\C-u]) 'universal-argument)
@@ -437,7 +437,7 @@ doubt, use whitespace."
                                      '(?0 ?1 ?2 ?3 ?4 ?5 ?6 ?7 ?8 ?9))
                           (incf i))
                         (and (not (memq (aref rest-mac i) pkeys))
-                             (prog1 (concat "C-u " (edmacro-subseq rest-mac 1 i) " ")
+                             (prog1 (vconcat "C-u " (edmacro-subseq rest-mac 1 i) " ")
                                (callf edmacro-subseq rest-mac i)))))))
             (bind-len (apply 'max 1
                              (loop for map in maps
@@ -525,7 +525,8 @@ doubt, use whitespace."
                               (t
                                (error "Unrecognized item in macro: %s" ch)))))
                           (or fkey key) " "))))
-       (if prefix (setq desc (concat prefix desc)))
+       (if prefix
+           (setq desc (concat (edmacro-sanitize-for-string prefix) desc)))
        (unless (string-match " " desc)
          (let ((times 1) (pos bind-len))
            (while (not (edmacro-mismatch rest-mac rest-mac
@@ -608,6 +609,16 @@ If START or END is negative, it counts from the end."
                 (setq i (1+ i) start (1+ start)))
               res))))))
 
+(defun edmacro-sanitize-for-string (seq)
+  "Convert a key sequence vector into a string.
+The string represents the same events; Meta is indicated by bit 7.
+This function assumes that the events can be stored in a string."
+  (setq seq (copy-sequence seq))
+  (loop for i below (length seq) do
+        (when (< (aref seq i) 0)
+          (setf (aref seq i) (logand (aref seq i) 127))))
+  seq)
+
 (defun edmacro-fix-menu-commands (macro &optional noerror)
   (if (vectorp macro)
       (let (result)