const RESERVED_NAMESPACE_XML: (Prefix<'_>, Namespace<'_>);Expand description
That constant define the one of reserved namespaces for the xml standard.
The prefix xml is by definition bound to the namespace name
http://www.w3.org/XML/1998/namespace. It may, but need not, be declared, and must not be
undeclared or bound to any other namespace name. Other prefixes must not be bound to this
namespace name, and it must not be declared as the default namespace.