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great answer!
thanks,
Dirk
On 08/25/11 07:31, Imsieke, Gerrit, le-tex wrote:
Re: [xsl] Re: random url for namespace to avoid uncontrollable dependencies
Subject: Re: [xsl] Re: random url for namespace to avoid uncontrollable dependencies From: Dirk <noisyb@xxxxxxx> Date: Thu, 25 Aug 2011 15:31:04 +0200 |
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..
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