Binary search through CVS branch? (was basic-improvements call for testers)

[Janis Johnson]

On Tue, Dec 17, 2002 at 01:53:53PM -0800, David O'Brien wrote:
> On Mon, Dec 16, 2002 at 03:57:09PM +1100, Billinghurst, David (CRTS) wrote:
> > The correct answer is
> > 
> > contrib/gcc_update -r gcc-3_4-basic-improvements-branch -D "2002-11-06 00:00 UTC"
> 
> That should not have worked unless you have hacked up version of CVS.
> CVS does not DTRT with -r + -D.  This is one of the bigger problems of
> CVS.

To clarify, does that mean that

  cvs co -r <branch> -D "date"

(cvs directly, rather than contrib/cvs_update) also doesn't work?
If so, I'm heartbroken (or at least disappointed).  Is there any way,
other than knowing all of the revisions, to get all files from a
branch for a particular date?

Janis