[qnameAsId-18] Is it ok to use Qnames as Identifiers?

Summary:

 From Joseph Reagle:
   "My primary question is an architectural one: are these acceptable
    replacements for URIs as identifiers within our specifications?
    (They're certainly easier to read!) What is the identifier, the
    string "foo:bar" or the tuple [0]? Do we expect all specs to
    treat them uniformly in the next version of XML? What about
    present versions?"

Raised by Joseph Reagle
    http://lists.w3.org/Archives/Public/www-tag/2002Apr/0204

Raised date: 19 Apr 2002

Accepted by TAG 29 Apr 2002:
    http://www.w3.org/2002/04/29-tag-summary#issue:1

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Ian Jacobs (ij@w3.org)   http://www.w3.org/People/Jacobs
Tel:                     +1 718 260-9447