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Gary Edwards

The ODF Alliance puckers up and gets smacked with the great CSS question - Where is it? | O'Reilly XML Blog - 0 views

www.oreillynet.com/...odf_alliance_now_loves_me.html

harmonization hypocrisy interop iso odf odf-alliance ooxml opendocument openxml

shared by Gary Edwards on 06 Feb 08 - Cached
  • Harmonisation It is interesting that the ODF Alliance quotes Tim Bray that the world doesn’t need another way to express basic typesetting features. If it is so important, why didn’t ODF just adopt W3C CSS or ISO DSSSL conventions? Why did they adopt the odd automatic styles mechanism which no other standard uses? Now I think the ODF formating conventions are fine, and automatic styles are a good idea. But there is more than one way to make an omlette, and a good solution space is good for users. My perspective is that harmonisation (which will take multiple forms: modularity, pluralism, base sets, extensions, mappings, round-trippability, feature-matching, convergence of component vocabularies, etc, not just the simplistic common use of a common syntax) will be best achieved by continued user pressure, both on MS and the ODF side, within a forum where neither side can stymie the legitimate needs of other.
Gary Edwards

What IBM VP Bob Sutor does not want you to read | Universal Interoperability Council - 0 views

www.universal-interop-council.org/?q=node/1

ecma harmonization ibm interoperability iso oasis odf ooxml opendocument openxml sutor weir

shared by Gary Edwards on 01 Feb 08 - Cached
  • What IBM VP Bob Sutor does not want you to read Submitted by marbux on Thu, 01/31/2008 - 23:36. This site is now live, although there's a ton of customization and configuration work to be done. But we might as well kick off by reprinting a comment I unsuccessfully attempted to post on IBM vice president Bob Sutor's blog today. I'm flattered that my post was the apparent triggering event for Sutor's announcement later in the day that he will now only allow comments from people who use their "real names."
Gary Edwards

Issue 51726: OpenOffice ODF Graphics Nightmare - 0 views

www.openoffice.org/...show_bug.cgi

application-specific din florian-reuter graphics odf openoffice

shared by Gary Edwards on 25 Jan 08 - Cached
  • Currently, the above given specification is a draft and has to be adjusted. Beside the change of the context menu and the navigator it's is needed to adjust the import of the XML file formats (OpenDocument and OpenOffice.org) and the export to the OpenOffice.org file format. The import needs adjustment, because the existence of name is used to distinguish Writer graphics/text boxes and Draw graphics/text boxes. The new criterium is now, that Draw graphics/text boxes of Writer documents doesn't have a parent style. The export to the OpenOffice.org file format needs adjustment, because a Writer document in the OpenOffice.org file format doesn't contain names for shapes.
    • Gary Edwards
      Gary Edwards on 25 Jan 08
       
      The EU DIN effort to harmonize or merge ODF and OOXML has uncovered some incredible inconsistencies in OpenOffice ODF tht will break interop every time, guaranteed. This particular issue has to do with problems naming graphics, and the hack solution now in use. It's hacks like this that make it impossible to convert MSOffice binaries to ODF.
Gary Edwards

XML.com: Standard Data Vocabularies Unquestionably Harmful - 0 views

www.xml.com/...perry.html

odf ooxml presentation semantics xml

shared by Gary Edwards on 21 Jan 08 - Cached
  • At the onset of XML four long years ago, I commenced a jeremiad against Standard Data Vocabularies (SDVs), to little effect. Almost immediately after the light bulb moment -- you mean, I can get all the cool benefits of web in HTML and create my own tags? I can call the price of my crullers <PricePerCruller>, right beside beside <PricePerDonutHole> in my menu? -- new users realized the problem: a browser knows how to display a heading marked as <h1> bigger and more prominently than a lowlier <h3>. Yet there are no standard display expectations or semantics for the XML tags which users themselves create. That there is no specific display for <Cruller> and, especially, not as distinct from <DonutHole> has been readily understood to demonstrate the separation of data structure expressed in XML from its display, which requires the application of styling to accomodate the fixed expectations of the browser. What has not been so readily accepted is that there should not be a standard expectation for how a data element, as identified by its markup, should be processed by programs doing something other than simple display.
    • Gary Edwards
      Gary Edwards on 21 Jan 08
       
      ODF and OOXML are contending to become the Standard Data Vocabulary for desktop office suite XML markup. Sun and Microsoft are proposing the standardization of OpenOffice and MSOffice custom defined XML tags for which there are no standard display expectations. The display expectations must therefore be very carefully described: i.e. the semantics of display fully provided.
      In this article Walter Perry is pointing out the dangers of SDV's being standardized for specific purposes without also having well thought out and fully specified display semantics. In ODF - OOXML speak, we would call display presentation, or layout, or "styles".
      The separation of content and presentation layer of each is woefully underspecified!
      Given that the presnetation layers of both ODF and OOXML is directly related to how OpenOffice and MSOffice layout engines work, the semantics of display become even more important. For MSOffice to implement an "interoperable" version of OpenOffice ODF, MSOffice must be able to mimic the OpenOffice layout engine methods. Methods which are of course quite differeent from the internal layout model of MSOffice. This differential results in a break down of conversion fidelity, And therein lies the core of the ODF interoeprability dilemma!
  • There have also emerged a few "horizontal" data vocabularies, intended for expressing business communication in more general terms. One of these is the eXtensible Business Reporting Language (XBRL), about which more below. Most recently, governments and governmental organizations have begun to suggest and eventually mandate particular SDVs for required filings, a development which expands what troubles me about these vocabularies by an order of magnitude.
  • ...5 more annotations...
    • Gary Edwards
      Gary Edwards on 21 Jan 08
       
      Exactly! When governments mandate a specific SDV, they also are mandating inherent concepts and methods unique to the provider of the SDV. In the case of ODF and OOXML, where the presentation layers are application specific and woefully underspecified, interoperability becomes an insurmountable challenge. Interop remains stubbornly application bound.
      Furthermore, there is no way to "harmonize" or "map" from one format to another without somehow resolving the application specific presentation differences.
    • Gary Edwards
      Gary Edwards on 21 Jan 08
       
      "in the nature of the SDV's themselves is the problem of misstatement, of misdirection of naive interpretation, and potential for fraud.
      Semantics matter! The presentation apsects of a document are just as important as the content.
    • Gary Edwards
      Gary Edwards on 21 Jan 08
       
      Walter: "I have argued for years that, on the basis of their mechanism for elaborating semantics, SDVs are inherently unreliable for the transmission or repository of information. They become geometrically less reliable when the types or roles of either the sources or consumers of that information increase, ending at a nightmarish worst case of a third-order diminution of the reliability of information. And what is the means by which SDVs convey meaning? By simple assertion against the expected semantic interpretations hard-coded into a process consuming the data in question.
      At this point in the article i'm hopign Walter has a solution. How do we demand, insist and then verify that SDV's have fully specifed the semantics, and not jus tpassed along the syntax?
      With ODF and OOXML, this is the core of the interoperability problem. Yet, there really is no way to separate the presentation layers from the uniquely different OpenOffice and MSOffice layout engine models.
    • Gary Edwards
      Gary Edwards on 21 Jan 08
       
      Interesting concept here: "the bulk of expertise is in understanding the detail of connections between data and the processes which produced it or must consume it ........ it is these expert connections which SDV's are intended to sever.
      Not quite sure what to make of that statement? When an SDV is standardized by ISO, the expectation is that the connections between data and processes would be fully understood, and implementations consistent across the board.
      Sadly, ODF is ISO approved, but doesn't come close to meeting these expectations. ODF interop might as well be ZERO. And the only way to fix it is to go into the presentation layer of ODF, strip out all the application specific bindings, and fully specifiy the ssemantics of layout.
  • In short, the bulk of expertise is in understanding the detail of connections between data and the processes which produced it or must consume it. It is precisely these expert connections which standard data vocabularies are intended to sever.
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