diff options
Diffstat (limited to 'lisp/emacs-lisp/lisp-mode.el')
| -rw-r--r-- | lisp/emacs-lisp/lisp-mode.el | 10 |
1 files changed, 9 insertions, 1 deletions
diff --git a/lisp/emacs-lisp/lisp-mode.el b/lisp/emacs-lisp/lisp-mode.el index 02477baf74f..1185f79806f 100644 --- a/lisp/emacs-lisp/lisp-mode.el +++ b/lisp/emacs-lisp/lisp-mode.el @@ -701,7 +701,15 @@ If CHAR is not a character, return nil." (defun eval-last-sexp-1 (eval-last-sexp-arg-internal) "Evaluate sexp before point; print value in minibuffer. With argument, print output into current buffer." - (let ((standard-output (if eval-last-sexp-arg-internal (current-buffer) t))) + (let ((standard-output (if eval-last-sexp-arg-internal (current-buffer) t)) + ;; preserve the current lexical environment + (internal-interpreter-environment internal-interpreter-environment)) + ;; Setup the lexical environment if lexical-binding is enabled. + ;; Note that `internal-interpreter-environment' _can't_ be both + ;; assigned and let-bound above -- it's treated specially (and + ;; oddly) by the interpreter! + (when lexical-binding + (setq internal-interpreter-environment '(t))) (eval-last-sexp-print-value (eval (preceding-sexp))))) |