Re: [xsl] Re: random url for namespace to avoid uncontrollable dependencies

[Dirk <noisyb@xxxxxxx>]

great answer!

thanks,

Dirk


On 08/25/11 07:31, Imsieke, Gerrit, le-tex wrote:
> For the purpose of establishing an XML namespace, a URI (a URI
> reference, to be precise) is just treated as a string literal.
>
> So firstly, you dont have to use URLs. You may use any URI that is
> formed according to the rules of RFC 3986, be the URI scheme or the URI
> registered somewhere or not. A URI may be urn:ISBN:9784711081542, for
> example. Some XML parsers may not even check whether the URI is formed
> according to RFC 3986s rules. So your MD5 hash may be accepted, too.
>
> If you do use URLs, it doesnt matter by whom they are controlled,
> whether the host name part DNS-resolves, whether the resource they point
> to exists, etc. For practical purposes its just important to know that
> http://my.domain.net is a different identifier than
> http://my.domain.net/ or http://my.domain.net/index.html, or, as in the
> example given on http://www.w3.org/TR/xml-names/#NSNameComparison,
> http://www.example.org/~wilbur is different from
> http://www.example.org/%7ewilbur is different from
> http://www.example.org/%7Ewilbur
>
> Gerrit
>
> On 2011-08-25 07:07, Dirk wrote:
> > On 08/25/11 07:06, Dirk wrote:
> > > Hello,
> > >
> > > as a developer i have serious problems with using a URL as namespace...
> > > because ICANN does control any URL i might use... and not me or people
> > > who use the XML..
> > >
> > > so...
> > >
> > > what would be the problem (which i don't see, yet) to use something like
> > > this:
> > >
> > > xmlns:cms="http://localhost/cms/"; (i would prefer this VERY MUCH)
> > >
> > > or, at least, this:
> > >
> > > xmlns:cms="http://www.example.com/cms/";
> > >
> > > or this:
> > >
> > > xmlns:cms="http://www.google.com/cms/";
> > >
> > >
> > > ...as namespace url for my XML?
> > >
> > >
> > > Regards,
> > > Dirk
> >
> > forgot one option... the best option..
> >
> > xmlns:cms="f6eeea3b9c793fb2b42e45ab5a1815eb"
> >
> > an md5 hash instead of a url as unique identifier..