(vc-restore-buffer-context): Restore point and mark only if they don't
match the context.
(vc-revert-buffer1, vc-clear-headers): Use save-excursion to relocate
point and mark, and vc-restore-buffer-context as a backup.
(vc-resynch-buffer): When operating on the current buffer, don't use
save-excursion, because that would undo the effects of the above
functions.
(vc-resynch-window): Deleted code that removed vc-find-file-hook
temporarily. This was unnecessary, because find-file-hooks are not
called when the buffer is reverted.
(vc-register): Added comment for prev change.
(vc-annotate-car-last-cons, vc-annotate-time-span):
Rename arg assoc-list to a-list.
(vc-annotate-display): All support for XEmacs extents removed.
Functions `set-face-*' are called only when a face is created.
(vc-backend-checkout): Use "cvs edit" for files with manual checkout.
(vc-minor-part, vc-previous-version): New functions.
(vc-diff): Don't ask or guess version numbers.
(vc-version-diff): Suggest default versions based on the file state.
number to compare with.
(vc-retrieve-snapshot): If no NAME is specified, check out
latest versions of all unlocked files.
(vc-next-action-on-file): For CVS files with implicit checkout: if
unmodified, don't do anything.
(vc-clear-headers): Regexp more restricted, so as not to destroy file
contents by mistake.
(vc-backend-merge-news): Better analysis of status reported by CVS.
Set file properties accordingly.
and put it into vc-annotate-mode-map.
(vc-annotate-add-menu): Don't init vc-annotate-mode-menu,
just add the bindings to it. Display progress messages.
(vc-annotate-mode-menu): New defvar.
(vc-annotate-ratio): Move defvar, add initial value.
(vc-annotate-display-default): Display progress messages.
(vc-annotate-display): Use vc-annotate-color-map.
vc-backend-checkout, vc-backend-steal): Use `vc-user-login-name'
instead of `user-login-name'.
(vc-update-change-log): If `user-full-name' is nil, try
`user-login-name'. Failing that, use uid as a string.
(vc-make-buffer-writable-hook): Removed (was unused).
(vc-backend-checkout): SCCS case: handle empty revision number.
(vc-diff): Don't pop to the *vc-diff* buffer if file is unchanged.
Better doc strings for a few variables.