W3C home > Mailing lists > Public > www-rdf-interest@w3.org > February 2001

Re: What are allowable property URIs?

From: Aaron Swartz <aswartz@swartzfam.com>
Date: Wed, 14 Feb 2001 20:53:35 -0600
To: Gabe Beged-Dov <begeddov@jfinity.com>, Graham Klyne <GK@ninebynine.org>
CC: Dan Brickley <danbri@w3.org>, <www-rdf-interest@w3.org>
Message-ID: <B6B0A0CF.22A98%aswartz@swartzfam.com>
Gabe Beged-Dov <begeddov@jfinity.com> wrote:

> As far as I can tell, there isn't an operational need for a qname to
> have a non-empty local-part.

Unfortunately, this is in violation of the XML names spec:

    QName     ::=     (Prefix ':')? LocalPart
    NCName    ::=     (Letter | '_') (NCNameChar)*

I'm no BNF expert but I think this means that a qname must start with at
least one letter (or an underscore).

However, you're right -- it does work in most parsers.

[ Aaron Swartz | me@aaronsw.com | http://www.aaronsw.com ]
Received on Wednesday, 14 February 2001 21:53:36 UTC

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