- From: Steve Harris <steve.harris@garlik.com>
- Date: Sun, 11 Jun 2006 07:45:58 +0100
- To: "Seaborne, Andy" <andy.seaborne@hp.com>
- Cc: Howard Katz <howardk@fatdog.com>, 'dawg mailing list' <public-rdf-dawg@w3.org>
On 10 Jun 2006, at 18:59, Seaborne, Andy wrote: > > > > Howard Katz wrote: >> Hi Andy et al. Contrary to popular rumour (or opinion), I am >> alive. :-) > > Hoorah! > >> Just to point out two pieces of text from the F&O doc [1] that are >> relevant >> but (to me at any rate) confusing: >> "The namespace prefix used in this document for functions that are >> available >> to users is fn. Operator functions are named with the prefix op." >> and shortly thereafter: >> "The functions defined with an fn prefix are callable by the user. >> Functions >> defined with the op prefix are described here to underpin the >> definitions of >> the operators in [XML Path Language (XPath) 2.0], [XQuery 1.0: An >> XML Query >> Language] and [XSL Transformations (XSLT) Version 2.0]. These >> functions are >> not available directly to users, and there is no requirement that >> implementations should actually provide these functions. For this >> reason, no >> namespace is associated with the op prefix." >> In other words, there is an op: prefix but no namespace for it. >> I'm not sure >> what to make of this. > > Some much text to choose from :-) > > The "no requirement" clause does not preclude providing them and > the earlier text would give the URI. It's also almost as if there > is a shadow fn:add for op:add. Yes, it feels like that to me too. - Steve
Received on Sunday, 11 June 2006 06:46:07 UTC