Solution proposal for versioning problem

Norbert Bollow nb at
Fri Jul 9 22:35:14 CEST 2010

Jirka Kosek <jirka at> wrote:

> I think that any new features we are going to introduce in post
> 29500:2008 will be designed to be backward compatible itself or relying
> on MCEs so there will be no need to change namespace.

For those points where ISO/IEC 29500:2008 differs from ECMA-376 ed 1
or from implementation decisions of existing software on points that
ECMA-376 ed 1 leaves unspecified, what precisely is the target of this
"backward" compatiblity?

> > My current proposal provides specification version information
> > while assuring existing ECMA-376 ed 1 or ISO/IEC 29500:2008
> > conformant applications which do not understand the proposed
> > versioning mechanism will not perform worse on existing documents
> > because of that.
> But what's the point of versioning information then?



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