* simple.el (shell-command-on-region): Say where the error output

went if `shell-command-default-error-buffer' is set.

Fixes: debbugs:6857

2 files changed, 9 insertions, 1 deletions

diff --git a/lisp/ChangeLog b/lisp/ChangeLog
index de13574aa54..9a154c06a3d 100644
--- a/lisp/ChangeLog
+++ b/lisp/ChangeLog
@@ -1,3 +1,8 @@
+2011-07-02  Lars Magne Ingebrigtsen  <larsi@gnus.org>
+
+        * simple.el (shell-command-on-region): Say where the error output
+        went if `shell-command-default-error-buffer' is set (bug#6857).
+
 2011-07-02  Ken Manheimer  <ken.manheimer@gmail.com>
 
         * allout.el (allout-yank-processing): Adjust cursor position for
diff --git a/lisp/simple.el b/lisp/simple.el
index b36cf2ec3ec..6c078830a18 100644
--- a/lisp/simple.el
+++ b/lisp/simple.el
@@ -2531,7 +2531,10 @@ specifies the value of ERROR-BUFFER."
             (let ((output
                    (if (and error-file
                             (< 0 (nth 7 (file-attributes error-file))))
-                       "some error output"
+                       (format "some error output%s"
+                               (if shell-command-default-error-buffer
+                                   (format " to the \"%s\" buffer" shell-command-default-error-buffer)
+                                 ""))
                      "no output")))
               (cond ((null exit-status)
                      (message "(Shell command failed with error)"))