Solution proposal for versioning problem

[Norbert Bollow]

Jirka Kosek <jirka at kosek.cz> 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?

See
https://members.ecma-international.org/get.php?group=SC34-WG4&file=2010_sub_sc34-wg4-2010-0135.zip

Greetings,
Norbert

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