Add a new command `revert-buffer-quick'

* doc/emacs/files.texi (Reverting): Document it.
* lisp/bindings.el (ctl-x-x-map): Bind `C-x x g' to
`revert-buffer-quick' instead.

* lisp/files.el (revert-buffer-quick-short-answers): New user option.
(revert-buffer-quick): New command (bug#49869).

1 files changed, 12 insertions, 1 deletions

diff --git a/doc/emacs/files.texi b/doc/emacs/files.texi
index 7edf4d2bbbf..8304e40706a 100644
--- a/doc/emacs/files.texi
+++ b/doc/emacs/files.texi
@@ -948,7 +948,7 @@ Manual}).  For customizations, see the Custom group @code{time-stamp}.
 then change your mind, you can @dfn{revert} the changes and go back to
 the saved version of the file.  To do this, type @kbd{C-x x g}.  Since
 reverting unintentionally could lose a lot of work, Emacs asks for
-confirmation first.
+confirmation first if the buffer is modified.
 
   The @code{revert-buffer} command tries to position point in such a
 way that, if the file was edited only slightly, you will be at
@@ -991,6 +991,17 @@ revert it automatically if it has changed---provided the buffer itself
 is not modified.  (If you have edited the text, it would be wrong to
 discard your changes.)
 
+@vindex revert-buffer-quick-short-answers
+@findex revert-buffer-quick
+  The @kbd{C-x x g} keystroke is bound to the
+@code{revert-buffer-quick} command.  This is like the
+@code{revert-buffer} command, but prompts less.  Unlike
+@code{revert-buffer}, it will not prompt if the current buffer visits
+a file, and the buffer is not modified.  It also respects the
+@code{revert-buffer-quick-short-answers} user option.  If this option
+is non-@code{nil}, use a shorter @kbd{y/n} query instead of a longer
+@kbd{yes/no} query.
+
   You can also tell Emacs to revert buffers automatically when their
 visited files change on disk; @pxref{Auto Revert}.