for a changed file. Since checking a remote file is too slow, these
modes do not check or revert remote files.
-@vindex auto-revert-check-vc-info
- Whenever Auto Revert mode reverts the buffer, it updates the version
-control information, such as the version control number displayed in
-the mode line. However, this information may not be properly updated
-if the version control state changes outside of Emacs---for example,
-if a new version is checked in from outside the current Emacs session.
-If you set @code{auto-revert-check-vc-info} to @code{t}, Auto Revert
-mode will update the version control status information periodically.
+@xref{VC Mode Line}, for Auto Revert peculiarities in buffers that
+visit files under version control.
@node Auto Save
@section Auto-Saving: Protection Against Disasters
that it is modified. If the file is locked by some other user (for
instance, @samp{jim}), that is displayed as @samp{RCS:jim:1.3}.
+@vindex auto-revert-check-vc-info
+ When Auto Revert mode (@pxref{Reverting}) reverts a buffer that is
+under version control, it updates the version control information in
+the mode line. However, Auto Revert mode may not properly update this
+information if the version control status changes without changes to
+the work file, from outside the current Emacs session. If you set
+@code{auto-revert-check-vc-info} to @code{t}, Auto Revert mode updates
+the version control status information every
+@code{auto-revert-interval} seconds, even if the work file itself is
+unchanged. The resulting CPU usage depends on the version control
+system, but is usually not excessive.
+
@node Basic VC Editing
@subsection Basic Editing under Version Control