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bug#23671: 25.0.94; recover-this-file error
From: |
Glenn Morris |
Subject: |
bug#23671: 25.0.94; recover-this-file error |
Date: |
Wed, 01 Mar 2017 18:31:14 -0500 |
User-agent: |
Gnus (www.gnus.org), GNU Emacs (www.gnu.org/software/emacs/) |
Version: 26.1
Live System User wrote:
> I saw a message from Emacs that I could recover a file. I switched to
> another buffer to check out something but didn't switch back when I
> invoked `recover-this-file' and got the error:
>
> Wrong type argument: stringp, nil
commit 8244357
Date: Wed Mar 1 18:29:48 2017 -0500
Small recover-this-file improvement
* lisp/files.el (recover-this-file): Explicit error if not
visiting a file. (Bug#23671)
diff --git a/lisp/files.el b/lisp/files.el
index 7c9271e..c7de445 100644
--- a/lisp/files.el
+++ b/lisp/files.el
@@ -5838,6 +5838,8 @@ an auto-save file."
(defun recover-this-file ()
"Recover the visited file--get contents from its last auto-save file."
(interactive)
+ (or buffer-file-name
+ (user-error "This buffer is not visiting a file"))
(recover-file buffer-file-name))
(defun recover-file (file)
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