Re: Advantage of XML based GUI? (was Re: Ada-inspired OS/Language)

[Preben Randhol <randhol+news@pvv.org>]

On Mon, 09 Sep 2002 10:02:11 -0400, Marin David Condic wrote:

> Trendy is nice, but there could be a technical advantage as well.
> Suppose you had an underlying Ada OS that had as one of its parts a
> graphics engine that interpreted XML-based markup to control the
> screen. The OS and any apps simply send properly formed markup to the
                                          ^^^^^^^^
                                          Yes which to me sounds like a
                                          place were one can run into
                                          problems. Wouldn't this also
                                          increase overheads like
                                          run-time checks/validation and
                                          increased memory usage?

> engine to get things rendered and receive back XML markup for user
> supplied data. 

> The advantage is that you can disconnect the apps/OS from the graphics
> display through an intermediary language, much like what web browsers
> do for the Internet with html.

But if you have an application, say a program to store cooking recipies,
how can you attach the callbacks to the backend? I mean you cannot
simply just put in an extra dialog in the XML without coding support for
it in the backend?

Preben who is waiting for XML viruses