Thank you so much. This is really helpful. wz
On Sat, 2003-11-01 at 05:44, Thomas DeWeese wrote: > Weiming Zhang wrote: > > >>>I want to use > >>>some custom XML tags to add some extra information to the document. For > >>>example, I may specify for certain group of graphic shapes, there are > >>>certain callbacks. Those callbacks will be specified as either elements > >>>or attributes. > > Thomas DeWeese wrote: > > >> This makes me think that you may want (or at least get away with) > >>something that looks more like: > >> > >> <svg:svg width="4cm" height="8cm" version="1.1" > >> xmlns="http://example.org"; > >> xmlns:svg="http://www.w3.org/2000/svg";> > >> <svg:ellipse cx="2cm" cy="4cm" rx="2cm" ry="1cm"> > >> <callback-list> > >> <!-- callbacks for the ellipse element --> > >> <callback name="foo" function="bar"/> > >> </callback-list> > >> </svg:ellipse> > >> </svg:svg> > >> > >> This will work trivially "right out of the box". > > > > This indeed works! But the callback related elements are not in SVG DTD, > > so batik does not validate the document? > > It does not do so by default[*] (even so Batik does check things > fairly closely). Even with that the SVG Specification states that an > SVG document is valid if it validates according to the SVG DTD after elements > that are not in the SVG namespace have been removed. > > [*] Squiggle has runtime options to turn on validation, although I don't > believe it strips foreign namespaces prior to validation. > > > If I make a DTD or schema by > > adding some extra information to SVG DTD (is it possible to do > > inheritance with a DTD?), how can I let batik know? > > The SVG DTD has a number of 'extension' entities that you can > use to insert your elements as allowed children of the SVG elements. > I can't tell you much more than this as I am not a DTD expert (and it > is my belief that you need to be to make use of this feature :). > > > > > --------------------------------------------------------------------- > To unsubscribe, e-mail: [EMAIL PROTECTED] > For additional commands, e-mail: [EMAIL PROTECTED] > --------------------------------------------------------------------- To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, e-mail: [EMAIL PROTECTED]
