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| author | Juanma Barranquero <lekktu@gmail.com> | 2019-11-26 15:03:57 +0100 |
|---|---|---|
| committer | Juanma Barranquero <lekktu@gmail.com> | 2019-11-26 15:03:57 +0100 |
| commit | e495dbea7035bcb1f26ed82f0d56a5abc90974fa (patch) | |
| tree | 67a6e689aa5ce4a87cce7c7f8f8686a45a37d140 | |
| parent | 90a7cd073bfc7461e0bc824e9883499fe9026727 (diff) | |
| download | emacs-e495dbea7035bcb1f26ed82f0d56a5abc90974fa.tar.gz | |
(next|previous)-buffer no longer fail silently (bug#38384)
* lisp/window.el (next-buffer, previous-buffer):
Signal 'user-error' if there is no buffer to switch to.
* etc/NEWS: Document it.
| -rw-r--r-- | etc/NEWS | 4 | ||||
| -rw-r--r-- | lisp/window.el | 6 |
2 files changed, 8 insertions, 2 deletions
@@ -2620,6 +2620,10 @@ scrolling. ** help-follow-symbol now signals 'user-error' if point (or the position pointed to by the argument POS) is not in a symbol. +--- +*** next-buffer and previous-buffer now signal 'user-error' if there +is no buffer to switch to. + * Lisp Changes in Emacs 27.1 diff --git a/lisp/window.el b/lisp/window.el index 49fad75d3cd..c8a5816b8c9 100644 --- a/lisp/window.el +++ b/lisp/window.el @@ -4850,7 +4850,8 @@ minibuffer window or is dedicated to its buffer." (user-error "Window is strongly dedicated to its buffer")) (t (dotimes (_ (or arg 1)) - (switch-to-next-buffer))))) + (unless (switch-to-next-buffer) + (user-error "No next buffer")))))) (defun previous-buffer (&optional arg) "In selected window switch to ARGth previous buffer. @@ -4864,7 +4865,8 @@ minibuffer window or is dedicated to its buffer." (user-error "Window is strongly dedicated to its buffer")) (t (dotimes (_ (or arg 1)) - (switch-to-prev-buffer))))) + (unless (switch-to-prev-buffer) + (user-error "No previous buffer")))))) (defun delete-windows-on (&optional buffer-or-name frame) "Delete all windows showing BUFFER-OR-NAME. |