[XML-DEV Mailing List Archive Home] [By Thread] [By Date] [Recent Entries] [Reply To This Message] Re: non-ascii namespace name question
Takuki Kamiya scripsit: > > I have encountered a usage of namespace'd XML where namespace name (i.e. URI) > contains non-ascii characters, and is wondering how namespace-aware XML software > should handle the URIs. > > As an example, think of the instance shown below. > > <x xmlns:ns1="http://www.富士通.co.jp" > xmlns:ns2="http://www.%E5%AF%8C%E5%A3%AB%E9%80%9A.co.jp" > > <good n1:a="1" n2:a="2" /> > </x> > > Both of the URIs conceptually denotes "http://www.fujitsu.co.jp" except that > the part "fujitsu" is represented by using numeric character references in the > first case and is represented as being encoded as mentioned in XML 1.0 spec. > (I mean "4.2.2 External Entities") Technically, the first URI is not conforming, because the surface form of an URI can only contain plain ASCII. However, applications should treat such an URI as identical to the URLencoded UTF-8 in the second URI. > My question is, is a namespace-aware XML processor supposed to identify the > two URLs shown above as identical ones so that the XML instance above is in > error since n1:a and n2:a really means the same? Yes. > If the answer to the question is "yes", then I believe XML processors should > return encoded representation such as "http://www.%E5%AF%8C%E5%A3%AB%E9%80%9A.co.jp" > to using applications as namespace name. Is my understanding correct? It's a reasonable thing to do as a matter of error recovery. An alternative action is to reject the URI as ill-formed. -- John Cowan cowan@c... I am a member of a civilization. --David Brin xml-dev: A list for W3C XML Developers. To post, mailto:xml-dev@i... Archived as: http://www.lists.ic.ac.uk/hypermail/xml-dev/ and on CD-ROM/ISBN 981-02-3594-1 To (un)subscribe, mailto:majordomo@i... the following message; (un)subscribe xml-dev To subscribe to the digests, mailto:majordomo@i... the following message; subscribe xml-dev-digest List coordinator, Henry Rzepa (mailto:rzepa@i...)
|
PURCHASE STYLUS STUDIO ONLINE TODAY!Purchasing Stylus Studio from our online shop is Easy, Secure and Value Priced! Download The World's Best XML IDE!Accelerate XML development with our award-winning XML IDE - Download a free trial today! Subscribe in XML format
|