[Versa] Issue 3

[Michael Olson]

>
> You can use filter:
>
> filter(properties(some_node), "some_node - . -> eq('foo')")

>
> Hmm.  It seemed pretty straightforward to me.  Did you find some
> conceptual limitation in the description of filter()?
>

The filter method is not in the version of the spec I have.  If it  
works then cool.

>>
>>>
>>> This means that statement would need to be added as a data type.   
>>> with
>>> conversion and a set of functions......
>
> I think this is all good discussion, but again, I think too much for
> Versa 1.0.
>

It might be.

> I think we need to be unconstrained by backwards compatability, and I
> think this means 2.0.
>

I don't know how unconstrained we want to be.  I like a lot about the  
language and would want to keep it as is.

> Note: I don't think 2.0 has to be a 3 year process.  I think that we  
> can
> get it out as quickly as we could get out a 1.0, especially considering
> the size of some of the changes suggested for 1.0.
>

I know.  I also don't think 2.0 requires a working implementation so we  
would not be constrained with getting 4RDF done, etc.

Mike

>
> --  
> Uche Ogbuji                               Fourthought, Inc.
> http://uche.ogbuji.net                    http://fourthought.com
> http://copia.ogbuji.net                   http://4Suite.org
> Use CSS to display XML, part 2 -  
> http://www-128.ibm.com/developerworks/edu/x-dw-x-xmlcss2-i.html
> XML Output with 4Suite & Amara -  
> http://www.xml.com/pub/a/2005/04/20/py-xml.html
> Use XSLT to prepare XML for import into OpenOffice Calc -  
> http://www.ibm.com/developerworks/xml/library/x-oocalc/
> Schema standardization for top-down semantic transparency -  
> http://www-128.ibm.com/developerworks/xml/library/x-think31.html
>
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-----------------
Mike Olson                                                Principal  
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mike.olson at fourthought.com                +1 720 253 4662
Fourthought, Inc.                                       
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