RE: [xml-dev] RE: James Clark: XML versus the Web

["Laurens van den Oever" <lvdoever@sdl.com>]

> I haven't used Xopus, but I hear that it also uses XSLT in this same
way.

It does.

Being browser based, we have to rely on what the browser gives us, which
is an XSLT 1.0 engine which does complete transformations. We achieve
'incremental' updates by doing a diff after every transform and updating
only the modified pieces of the HTML output.

Laurens van den Oever | Director of Structured Authoring Solutions | SDL
| (t) +31 (0)70 4452349 | (f) +31 (0)84 8382897 | lvdoever@sdl.com

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-----Original Message-----
From: Evan Lenz [mailto:evan@evanlenz.net] 
Sent: donderdag 16 december 2010 8:57
To: xml-dev@lists.xml.org
Subject: Re: [xml-dev] RE: James Clark: XML versus the Web

On 12/15/10 8:01 PM, Henri Sivonen wrote:
> Which implementations support a reflecting incremental input updates
in the output? Given everything that XSLT lets you do, how can the
contribution of a piece of input to the output be tracked in a practical
way?
>
Microsoft's InfoPath works this way, using XSLT to establish 2-way 
bindings between the source XML and the HTML editing view. So did Ephox 
EditLive! for XML (now defunct?). I haven't used Xopus, but I hear that 
it also uses XSLT in this same way.

There are some constraints on how you must write the XSLT to get the 
bindings to work (InfoPath also uses additional annotations on the 
XSLT), but nothing too onerous. I believe in all of the above cases only

XSLT 1.0 is supported. XSLT 2.0 poses additional challenges, what with 
the ability to create temporary result trees and what not.

Evan
-- 
Evan Lenz
Lenz Consulting Group, Inc.
http://lenzconsulting.com

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