vc-cvs-mode-line-string
vc-cvs-mode-line-string is a compiled Lisp function in `vc-cvs.el
'.
(vc-cvs-mode-line-string FILE)
Return a string for `vc-mode-line' to put in the mode line for FILE.
Compared to the default implementation, this function does two things:
Handle the special case of a CVS file that is added but not yet
committed and support display of sticky tags.