Re: [xml-dev] RE: Caution using XML Schema backward- or forward-c ompati

["bryan rasmussen" <rasmussen.bryan@gmail.com>]

On Jan 2, 2008 11:42 PM, Stephen Green <stephengreenubl@gmail.com> wrote:
> To elaborate:
>
> taking Roger's scenario:
>
> > [in version 1]
>
> > <distance>100</distance>
>
> > means "distance from center of town."  Accordingly, the client's
> > application does calculations based on that meaning.
>
> > In the version 2 data the syntax is changed in a forward-compatible
> > fashion.  In addition, the semantics of the <distance> element is
> > changed to "distance from town line."
>

actually I really hated that example because I found it somewhat
unrealistic for something that would actually happen, and somewhat
data-apocalyptic.

Cheers,
Bryan Rasmussen