Fix ElDoc setup for eval-expression

* lisp/emacs-lisp/eldoc.el (eldoc--eval-expression-setup): Don't set
global value of eldoc-documentation-strategy (bug#44886).

diff --git a/lisp/emacs-lisp/eldoc.el b/lisp/emacs-lisp/eldoc.el
index 90e075b1102d5d45f677906ea3842852d2109cfd..c95540ea3cfacf2e0a91008c632534042965c11d 100644 (file)
--- a/lisp/emacs-lisp/eldoc.el
+++ b/lisp/emacs-lisp/eldoc.el
@@ -248,7 +248,8 @@ expression point is on." :lighter eldoc-minor-mode-string
                      #'elisp-eldoc-var-docstring nil t)
            (add-hook 'eldoc-documentation-functions
                      #'elisp-eldoc-funcall nil t)
-           (setq eldoc-documentation-strategy 'eldoc-documentation-default)))
+           (setq-local eldoc-documentation-strategy
+                       'eldoc-documentation-default)))
   (eldoc-mode +1))
 
 ;;;###autoload