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Re: Alternative to x!y

From: Norman Walsh <Norman.Walsh@Sun.COM>
Date: Wed, 23 Aug 2006 15:33:30 -0400
To: public-xml-processing-model-wg@w3.org
Message-ID: <87k64zs0vp.fsf@nwalsh.com>
/ Alex Milowski <alex@milowski.org> was heard to say:
| Two axis names does not seem like too much work to me.  We'll have to
| describe the semantics anyway.  If we have our own syntax, we'll
| have to describe that grammar.  Seems like the amount of work would
| be the same.

Would those additional axes be available in test expressions?

I imagine that many implementors (myself included) are hoping to use
an off-the-shelf XPath implementation. That's not going to be possible
if we add axes. Besides which, making the source attributes into XPath
expressions opens up a whole can of worms with respect to arbitrary
XPath expressions, dynamically generated step and port names, etc.,
that I'd just as soon leave in the tin, preferably stuck on the back
shelf of some dark closet that we never have to open. :-)

                                        Be seeing you,

Norman Walsh
XML Standards Architect
Sun Microsystems, Inc.

Received on Wednesday, 23 August 2006 19:33:30 UTC

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