[Emacs-diffs] master 2825d84 1/2: Do not destructively modify interprogram paste

[Noam Postavsky]

branch: master
commit 2825d849451be45ea738e2d2b2567c834fe5a0fb
Author: Basil L. Contovounesios <address@hidden>
Commit: Noam Postavsky <address@hidden>

    Do not destructively modify interprogram paste
    
    * simple.el (kill-new, current-kill): Non-destructively reverse list
    returned by interprogram-paste-function. (bug#31097)
---
 lisp/simple.el | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

diff --git a/lisp/simple.el b/lisp/simple.el
index efe5406..dada65d 100644
--- a/lisp/simple.el
+++ b/lisp/simple.el
@@ -4369,7 +4369,8 @@ argument should still be a \"useful\" string for such 
uses."
                                    (funcall interprogram-paste-function))))
       (when interprogram-paste
         (dolist (s (if (listp interprogram-paste)
-                      (nreverse interprogram-paste)
+                       ;; Use `reverse' to avoid modifying external data.
+                       (reverse interprogram-paste)
                     (list interprogram-paste)))
          (unless (and kill-do-not-save-duplicates
                       (equal-including-properties s (car kill-ring)))
@@ -4448,7 +4449,8 @@ move the yanking point; just return the Nth kill forward."
          ;; selection, with identical text.
          (let ((interprogram-cut-function nil))
            (if (listp interprogram-paste)
-             (mapc 'kill-new (nreverse interprogram-paste))
+                ;; Use `reverse' to avoid modifying external data.
+                (mapc #'kill-new (reverse interprogram-paste))
              (kill-new interprogram-paste)))
          (car kill-ring))
       (or kill-ring (error "Kill ring is empty"))