[Versa] Issue 2

[Uche Ogbuji]

On Fri, 2005-08-12 at 00:45 -0600, Michael Olson wrote:
> I propose that we added backwards filters.  They make tons of sense to  
> me.  I often find my self moving forward and backwards in the graph and  
> cannot see any reason why I should be able to do something forwards,  
> but not backwards.  I think the syntax should be similar to that for  
> forward filters.
> 
> Additional, I think we should add a filter function to mike the filter  
> operation.  Similar to the traverse function.

You mean to match the filter operation?  There is one already.  Section
7.2.4 of the spec.

Side note: first step is to fix the broken internal anchors in that
spec.  Grrrr.  Chime also has the start of a nice CSS for the spec.  I
wonder whether we should move to ReST for the text: 

http://docutils.sourceforge.net/rst.html

-- 
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