CSS Namespace enhancements w3c working draft 25 june 1999

Can someone explain me about the use of an uri to define a @namespace
rule ?
The grammar of a the CSS namespace proposal is the following:
namespace
 : NAMESPACE_SYM S* [namespace_prefix S*]? [STRING|URI] S* ';' S*

As i undertood, this enhancement is destined to style xml files. My
question is what is exactly the use of an uri ? According to the XML
specifications, a namespace is just a string even if it is a string
which refer to a file or a file location. To know if we refer to the
same namespace we have to make a comparaison between them. If the
strings are equals we can safely say that there are the same namespaces.
So what exacltly does a uri mean for a namespace ?

Received on Thursday, 25 October 2001 10:39:29 UTC