rev/branch?

[Ronald Petty]

I am still working on my rcs/cvs parser.  I have a question on changing
the revision number / branch number etc.

If someone changes a number, will cvs still be able to recreate the
revision?  If so does that mean a branch number if changed is still
going to be ....2.revision_number?

Or instead of wondering what the numbers are, should I always parse
"next {num}" and follow it?

Just making sure it is correct?

Thanks
Ron