What do you mean by "represented with their index"?

I don't understand the problem.  Why do repeated fields pose a challenge for

On Fri, Nov 13, 2009 at 1:11 AM, Paddy W <patrick.j.wa...@gmail.com> wrote:

> I am working on an application that compares two protocol buffers of
> the same type for differences and generates a new 'delta' protocol
> buffer with only the differences. This works fine for top level fields
> but I can not see a way of dealing with repeating fields or nested
> messages in a way that avoids including all of the repeating field
> entries/nested message fields in the delta. Is it the case that
> repeated fields are positional, in that they must all be present, as
> opposed to being represented with their index? Is there any way of
> approaching this issue or will the idea of 'delta' messages only work
> with 'flat' buffer definitions. Any advice would be appreciated.
> >

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