On Fri, 10 Jan 2003, Stefano Mazzocchi wrote:

> Sylvain Wallez wrote:
>
> > The sitemap namespace contains a version number :
> > "http://apache.org/cocoon/sitemap/1.0";, so what about upgrading to "1.1"
> > ? It would be fairly easy for the TreeProcessor to autoconfigure itself
> > depending on the root element namespace and so handle gracefully both
> > versions, even inside a single Cocoon instance (i.e. sitemaps and
> > subsitemaps in different versions).
>
> while the sitemap namespace was introduced exactly for this, I think
> that we should try to remove possible duplication of effort (and code).
>
> So, I would agree to name the Cocoon 2.1 sitemap namespace as
>
>   http://apache.org/cocoon/sitemap/1.1
>
> since it is different from the old one (and this definately helps
> sitemap editors!) but I would try to make an effort to have the same
> code interpret the two of them.
>
> This also mean that Sitemap 1.1 *extends* Sitemap 1.0, that is:
>
>   - all tags included in sitemap 1.0 keep the same meaning in 1.1
>   - only new elements and attributes are added to the sitemap 1.1

How would you deprecate/eliminate elements if you inherit them all the
way to higher versions?

Giacomo


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