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[XML-DEV Mailing List Archive Home] [By Thread] [By Date] [Recent Entries] [Reply To This Message] namespaces and resources was :Re: Re: Why REST
 David Carlisle wrote: > > > It is the _owner_ of the DNS entry that gets to say what the resource > > is. > > True, but that doesn't say anything about the use of that string as a > namespace name. The implication is that the owner of the DNS entry gets to create URIs and decide how the URIs are to be used. One use of a URI is as a namespace name. > > > Certainly you can abuse the intention of the owner, and if the owner of the > > URI never intended it to be a namespace, then this is simply an abuse. > > "abuse" is an emotive word but apart from your assertion that it is > abuse, where is it stated that this is abusive. In fact by my reading of > the namespace rec it is the _intended_ behaviour. That is, one names a > namespace after some resource that (preferably) you control, by using > the URI of that resource. How URIs are intended to be used is said in a number of places, Tim BL's "design issues", Fielding's REST. It is clear from reading this, that it is up to the owner of the URI to decide what resource a URI identifies. > > If I give you a (dtd) valid, schema valid, well formed, XML document > that conforms to the namespace REC that uses a namespace name that > identifies a resource that isn't a namespace then it is not enough for > you to tell me it is abusive you have to say what rule has been broken. I am not sure it has been tested -yet- in court, however I bet that if you start creating XML Namespaces beginning with the domains http://www.microsoft.com or http://www.ibm.com and if such namespaces are used in a way not to the liking of the organization, that you will soon find a flock of lawyers descending on your abode and causing more havoc with your life than you care. The ownership of a DNS entry _has_ been tested in court. Ultimately the rule that is broken is then the rule of law. In any case I consider it bad manners to use someone else's URIs in ways that they do not intend, much as you would consider it bad manners if I started portraying myself as "David Carlisle" to banks, or various government agencies etc. > > > What results is the same inability to communicate a > > Not at all, the same strings mean different things in different contexts, > and there are contexts where the string "1 + 1 = 3" would be > interpreted as true for example. My point exactly. The problem is that > > <x xmlns="mailto:jborden@a..."/> > > is a well formed document conforming to the namespace rec, and the > namespace of the element in that document _is_ mailto:jborden@a.... > It isn't just me that says it is, XSLT/XPath , a namespace aware DOM, > etc would all accept this document and confirm the namespace name. > Yup, but if I don't sanction this, I can complain to various authorities that you are misrepresenting me. People take this seriously. Jonathan 
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