(vc-cvs-annotate-time): Incorporate value of deleted var.
Remove special-case handling of beginning-of-buffer cruft.
Cache ending position (point) and return value in text property
`vc-cvs-annotate-time', and consult it on subsequent invocations.
(vc-cvs-stay-local-p): Use vc-stay-local-p.
(vc-cvs-rename-file): Remove (use the default).
(vc-cvs-register): Register parent dir if needed.
(vc-cvs-could-register): Return non-nil if parent can be registered.
(vc-cvs-state, vc-cvs-dir-state, vc-cvs-print-log, vc-cvs-diff)
(vc-cvs-diff-tree, vc-cvs-make-version-backups-p): Use vc-stay-local-p.
(vc-cvs-could-register, vc-cvs-make-version-backups-p): Use defalias.
(vc-cvs-merge-news): Simplify.
(vc-cvs-diff): Remove unused var `options'.
(vc-cvs-parse-entry): Use the same algorithm as cvs does.
(vc-cvs-sticky-date-format-string): New variable.
(vc-cvs-sticky-tag-display): New variable.
(vc-cvs-mode-line-string): Add sticky-tag to the mode-line.
(vc-cvs-checkin): If the input revision is a valid symbolic tag
name, we create it as a branch, commit and switch to it.
(vc-cvs-retrieve-snapshot): Set file-property sticky-tag.
(vc-cvs-valid-symbolic-tag-name-p): New function.
(vc-cvs-parse-sticky-tag): New function.
(vc-cvs-parse-entry): Added parsing of sticky tags.
(vc-cvs-sticky-date-format-string): New variable.
(vc-cvs-sticky-tag-display): New variable.
(vc-cvs-mode-line-string): Add sticky-tag to the mode-line.
(vc-cvs-checkin): If the input revision is a valid symbolic tag
name, we create it as a branch, commit and switch to it.
(vc-cvs-retrieve-snapshot): Set file-property sticky-tag.
(vc-cvs-valid-symbolic-tag-name-p): New function.
(vc-cvs-parse-sticky-tag): New function.
(vc-cvs-parse-entry): Added parsing of sticky tags.
From JD Smith <jdsmith@astro.cornell.edu>.
(vc-cvs-annotate-difference): Removed to generic
version in vc.el, with
(vc-cvs-annotate-current-time): Added, as override of default.
(vc-cvs-annotate-time) Added. Taken mostly from the (now removed)
`vc-cvs-annotate-difference'.
buffer *vc*, not the current buffer.
(vc-cvs-print-log): Output to buffer *vc*, not the current buffer.
(vc-cvs-diff): Output to buffer *vc-diff*, not the current buffer.