master 85eaa83: ;Fix eldoc regression bug#42365

[Tassilo Horn]

branch: master
commit 85eaa8373bb0a91013af503d333670788ec5a956
Author: Tassilo Horn <tsdh@gnu.org>
Commit: Tassilo Horn <tsdh@gnu.org>

    ;Fix eldoc regression bug#42365
---
 lisp/emacs-lisp/eldoc.el | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/lisp/emacs-lisp/eldoc.el b/lisp/emacs-lisp/eldoc.el
index 1a009bd..510dff9 100644
--- a/lisp/emacs-lisp/eldoc.el
+++ b/lisp/emacs-lisp/eldoc.el
@@ -495,8 +495,9 @@ Honor most of `eldoc-echo-area-use-multiline-p'."
                             (substitute-command-keys 
"\\[eldoc-doc-buffer]")))))))))
               ((= available 1)
                ;; Truncate "brutally." ; FIXME: use `eldoc-prefer-doc-buffer' 
too?
-               (truncate-string-to-width
-                (buffer-substring (point-min) (line-end-position 1)) width)))))
+               (with-current-buffer (eldoc-doc-buffer)
+                 (truncate-string-to-width
+                  (buffer-substring (point-min) (line-end-position 1)) 
width))))))
         (when echo-area-message
           (eldoc--message echo-area-message))))))