>>>>> "Richard" == Richard Copley <rcopley@gmail.com> writes:
> For some files under RCS version control, `vc-annotate' now fails with
> error `(wrong-type-argument integer-or-marker-p nil)'.
> I think the problem is with the variable `b' whose dynamic binding
> was used by `gather' and set by `incg' (local functions in
> `vc-rcs-parse'), prior to r114131.
Indeed, it seems like there was some subtle dynamic scoping at play.
Does the patch below fix your problem?